{"id":3189,"date":"2026-03-27T15:03:06","date_gmt":"2026-03-27T14:03:06","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?page_id=3189"},"modified":"2026-03-27T15:07:41","modified_gmt":"2026-03-27T14:07:41","slug":"seamless","status":"publish","type":"page","link":"https:\/\/www.nickelcasting.com\/fr\/product-forms\/pipe-and-tube\/seamless\/","title":{"rendered":"Tube sans soudure"},"content":{"rendered":"
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\n Accueil<\/a> \n \/<\/span> \n Formulaires de produits<\/a>\n \/<\/span> \n Tubes et tuyaux<\/a>\n \/<\/span> \n Sans couture\n <\/div>\n\n
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Tubes et tuyaux sans soudure en alliage de nickel<\/h1>\n \n

\n Lorsque l'int\u00e9grit\u00e9 structurelle absolue et le confinement de la pression maximale ne sont pas n\u00e9gociables, les tubes sans soudure sont le seul choix possible. Extrud\u00e9s et perc\u00e9s \u00e0 partir de billettes d'alliage de nickel solides, les tubes et tuyaux sans soudure de 28Nickel \u00e9liminent les vuln\u00e9rabilit\u00e9s associ\u00e9es aux cordons de soudure. Ils sont con\u00e7us pour offrir une fiabilit\u00e9 in\u00e9gal\u00e9e dans les r\u00e9acteurs chimiques, l'extraction de p\u00e9trole et de gaz en eaux profondes et les syst\u00e8mes hydrauliques critiques de l'a\u00e9rospatiale.\n <\/p>\n <\/div>\n\n

Nuances d'alliage disponibles pour les tubes et tuyaux sans soudure<\/h2>\n

\n La nature agressive des fluides corrosifs \u00e0 haute temp\u00e9rature exige une structure mat\u00e9rielle homog\u00e8ne. Nous fournissons des produits tubulaires sans soudure dans les superalliages les plus performants au monde, ce qui garantit une r\u00e9sistance uniforme \u00e0 la corrosion sur toute la longueur du tube.\n <\/p>\n \n

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S\u00e9lectionnez une qualit\u00e9 pour voir les sp\u00e9cifications du mat\u00e9riau :<\/h3>\n
\n Inconel\u00ae 625 (excellente r\u00e9sistance aux piq\u00fbres)<\/a>\n Inconel\u00ae 718 (haute r\u00e9sistance pour le forage\/OCTG)<\/a>\n \n Monel\u00ae 400 (Acide HF et tuyauterie marine)<\/a>\n Monel\u00ae K-500 (tube de pompe \u00e0 haute r\u00e9sistance)<\/a>\n \n Hastelloy\u00ae C-276 (Transport chimique s\u00e9v\u00e8re)<\/a>\n MP35N\u00ae (Tubes pour le secteur m\u00e9dical et a\u00e9rospatial)<\/a>\n <\/div>\n <\/div>\n\n

Avantages techniques de la construction sans soudure<\/h2>\n

\n Contrairement aux produits soud\u00e9s, les tubes et tuyaux sans soudure poss\u00e8dent une structure granulaire continue et uniforme, ce qui offre des avantages ind\u00e9niables dans les applications critiques.\n <\/p>\n \n

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\ud83d\udee1\ufe0f<\/div>\n

Pressions maximales<\/h3>\n <\/div>\n

Sans soudure longitudinale (qui est traditionnellement le point le plus faible sous la contrainte du cerceau), les tubes sans soudure peuvent r\u00e9sister \u00e0 des pressions de travail g\u00e9n\u00e9ralement sup\u00e9rieures de 20% \u00e0 celles des tubes soud\u00e9s de m\u00eames dimensions et alliages.<\/p>\n <\/div>\n\n

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\ud83d\udd2c<\/div>\n

R\u00e9sistance homog\u00e8ne \u00e0 la corrosion<\/h3>\n <\/div>\n

L'absence de zone affect\u00e9e thermiquement (HAZ) signifie qu'il n'y a pas de changements m\u00e9tallurgiques localis\u00e9s. Cela permet une uniformit\u00e9 absolue dans la r\u00e9sistance aux piq\u00fbres localis\u00e9es et \u00e0 la corrosion intergranulaire.<\/p>\n <\/div>\n\n

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Tol\u00e9rances dimensionnelles de pr\u00e9cision<\/h3>\n <\/div>\n

Les tubes sans soudure \u00e9tir\u00e9s \u00e0 froid offrent des tol\u00e9rances incroyablement serr\u00e9es sur le diam\u00e8tre ext\u00e9rieur (OD) et l'\u00e9paisseur de la paroi (WT), ce qui les rend essentiels pour une insertion et une expansion correctes dans les plaques tubulaires des \u00e9changeurs de chaleur.<\/p>\n <\/div>\n\n <\/div>\n\n

Produits tubulaires primaires sans soudure<\/h2>\n \n
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\u2668\ufe0f<\/div>\n

Tubes d'\u00e9changeurs de chaleur et de condenseurs<\/h3>\n <\/div>\n

Fabriqu\u00e9s selon des sp\u00e9cifications strictes en mati\u00e8re de diam\u00e8tre ext\u00e9rieur et de diam\u00e8tre ext\u00e9rieur (par exemple, ASTM B163). Con\u00e7us pour un transfert thermique efficace tout en r\u00e9sistant aux milieux de refroidissement agressifs tels que l'eau de mer ou l'acide sulfurique.<\/p>\n <\/div>\n\n

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Tubes d'instrumentation<\/h3>\n <\/div>\n

Tubes de petit diam\u00e8tre et de haute pr\u00e9cision (disponibles en longueurs droites ou en bobines). Utilis\u00e9s pour les lignes de contr\u00f4le hydraulique, les manom\u00e8tres et les ombilicaux d'injection de produits chimiques dans les plates-formes offshore.<\/p>\n <\/div>\n\n

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\ud83d\udee2\ufe0f<\/div>\n

Tuyauterie de process \u00e0 paroi \u00e9paisse<\/h3>\n <\/div>\n

Tubes sans soudure \u00e0 grand diam\u00e8tre nominal (NPS) dans des programmes lourds (Sch 80, Sch 160, XXH). Con\u00e7us pour les art\u00e8res principales des usines chimiques o\u00f9 circulent des fluides corrosifs \u00e0 haute temp\u00e9rature et haute pression.<\/p>\n <\/div>\n\n

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\ud83d\udd73\ufe0f<\/div>\n

OCTG \/ Tubulaires de fond de puits<\/h3>\n <\/div>\n

Les produits tubulaires pour puits de p\u00e9trole (OCTG) sont utilis\u00e9s dans les profondeurs du sous-sol. Fabriqu\u00e9s \u00e0 partir de superalliages \u00e0 haute r\u00e9sistance (comme les Inconel 718<\/a>) pour r\u00e9sister aux gaz acides (H2S), \u00e0 la pression extr\u00eame au fond du trou et \u00e0 la fissuration sous contrainte due au chlorure.<\/p>\n <\/div>\n\n <\/div>\n\n

Sp\u00e9cifications et dimensions standard<\/div>\n
\n \n \n \n \n \n \n \n \n \n
Cat\u00e9gorie de sp\u00e9cification<\/th>\n D\u00e9tails et normes<\/th>\n <\/tr>\n <\/thead>\n
Sp\u00e9cifications standard<\/strong><\/td>\n ASTM B163 (tube pour condenseur\/\u00e9changeur de chaleur), ASTM B165 (Monel sans soudure), ASTM B167 \/ B444 (Inconel sans soudure), ASTM B622 (Hastelloy sans soudure)<\/td>\n <\/tr>\n
Gamme de tailles de tuyaux (NPS)<\/strong><\/td>\n 1\/8\" NB \u00e0 24\" NB (Horaires : 10S, 40S, 80S, 160, XXH)<\/td>\n <\/tr>\n
Gamme de tailles de tubes (OD)<\/strong><\/td>\n 1\/16\" OD \u00e0 8\" OD (\u00e9paisseur de paroi : 0,010\" \u00e0 0,500\"+)<\/td>\n <\/tr>\n
Conditions de livraison<\/strong><\/td>\n Recuit et d\u00e9cap\u00e9, recuit brillant, \u00e9tir\u00e9 \u00e0 froid, extrud\u00e9<\/td>\n <\/tr>\n
Contr\u00f4le non destructif (CND)<\/strong><\/td>\n 100% Contr\u00f4le hydrostatique, contr\u00f4le par courants de Foucault (ECT), contr\u00f4le par ultrasons (UT)<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n\n
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Besoin d'une fiabilit\u00e9 sans faille ?<\/h3>\n

Pr\u00e9cisez si vous avez besoin de tuyaux (NPS et Schedule) ou de tubes (OD et \u00e9paisseur de paroi), ainsi que la nuance d'alliage requise (par exemple, tube Hastelloy C276 sans soudure). Nous assurons la tra\u00e7abilit\u00e9 compl\u00e8te des mat\u00e9riaux et sur mesure<\/a> les services de coupe \u00e0 longueur.<\/p>\n Obtenir un devis pour un tube sans soudure<\/a>\n <\/div>\n\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

Home \/ Product Forms \/ Pipe & Tube \/ Seamless Seamless Nickel Alloy Pipe & Tube When absolute structural integrity and maximum pressure containment are non-negotiable, seamless tubulars are the only choice. Extruded and pierced from solid nickel alloy billets, 28Nickel’s seamless pipes and tubes eliminate the vulnerabilities associated with weld seams. They are engineered […]<\/p>","protected":false},"author":1,"featured_media":0,"parent":3181,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"unboxed","site-sidebar-style":"unboxed","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-3189","page","type-page","status-publish","hentry"],"spectra_custom_meta":{"_edit_lock":["1774620520:1"],"_edit_last":["1"],"_elementor_edit_mode":["builder"],"_astra_content_layout_flag":["disabled"],"ast-title-bar-display":["disabled"],"ast-featured-img":["disabled"],"site-content-layout":["page-builder"],"ast-site-content-layout":["full-width-container"],"site-sidebar-layout":["no-sidebar"],"_elementor_template_type":["wp-page"],"_elementor_version":["3.33.2"],"_elementor_pro_version":["3.32.3"],"rank_math_seo_score":["56"],"rank_math_internal_links_processed":["1"],"_wp_page_template":["default"],"_elementor_data":["[{\"id\":\"5867cec\",\"elType\":\"container\",\"settings\":{\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"11439dc\"}]},\"elements\":[{\"id\":\"52a4c03\",\"elType\":\"widget\",\"settings\":{\"html\":\"\\n\\n

\\n\\n
\\n Home<\\\/a> \\n \\\/<\\\/span> \\n Product Forms<\\\/a>\\n \\\/<\\\/span> \\n Pipe & Tube<\\\/a>\\n \\\/<\\\/span> \\n Seamless\\n <\\\/div>\\n\\n
\\n

Seamless Nickel Alloy Pipe & Tube<\\\/h1>\\n \\n

\\n When absolute structural integrity and maximum pressure containment are non-negotiable, seamless tubulars are the only choice. Extruded and pierced from solid nickel alloy billets, 28Nickel's seamless pipes and tubes eliminate the vulnerabilities associated with weld seams. They are engineered to deliver unmatched reliability in severe chemical reactors, deep-water oil & gas extraction, and critical aerospace hydraulic systems.\\n <\\\/p>\\n <\\\/div>\\n\\n

Available Alloy Grades for Seamless Pipe & Tube<\\\/h2>\\n

\\n The aggressive nature of high-temperature corrosive fluids demands a homogenous material structure. We supply seamless tubular products in the world's highest-performing superalloys, ensuring uniform corrosion resistance across the entire length of the pipe.\\n <\\\/p>\\n \\n

\\n

Select a Grade to View Material Specs:<\\\/h3>\\n
\\n Inconel\\u00ae 625 (Excellent Pitting Resistance)<\\\/a>\\n Inconel\\u00ae 718 (High Strength Downhole\\\/OCTG)<\\\/a>\\n \\n Monel\\u00ae 400 (HF Acid & Marine Piping)<\\\/a>\\n Monel\\u00ae K-500 (High Strength Pump Tubing)<\\\/a>\\n \\n Hastelloy\\u00ae C-276 (Severe Chemical Transport)<\\\/a>\\n MP35N\\u00ae (Medical & Aerospace Tubing)<\\\/a>\\n <\\\/div>\\n <\\\/div>\\n\\n

Engineering Advantages of Seamless Construction<\\\/h2>\\n

\\n Unlike welded alternatives, seamless pipes and tubes possess a continuous, uniform grain structure, offering distinct advantages in critical applications.\\n <\\\/p>\\n \\n

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\\ud83d\\udee1\\ufe0f<\\\/div>\\n

Maximum Pressure Ratings<\\\/h3>\\n <\\\/div>\\n

Without a longitudinal weld seam (which is traditionally the weakest point under hoop stress), seamless pipes can withstand working pressures typically 20% higher than welded pipes of the same dimensions and alloy.<\\\/p>\\n <\\\/div>\\n\\n

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\\ud83d\\udd2c<\\\/div>\\n

Homogeneous Corrosion Resistance<\\\/h3>\\n <\\\/div>\\n

The absence of a weld Heat-Affected Zone (HAZ) means there are no localized metallurgical changes. This provides absolute uniformity in resisting localized pitting and intergranular corrosion.<\\\/p>\\n <\\\/div>\\n\\n

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\\ud83c\\udfaf<\\\/div>\\n

Precision Dimensional Tolerances<\\\/h3>\\n <\\\/div>\\n

Cold-drawn seamless tubes offer incredibly tight tolerances on the Outside Diameter (OD) and Wall Thickness (WT), making them essential for proper insertion and expansion into heat exchanger tube sheets.<\\\/p>\\n <\\\/div>\\n\\n <\\\/div>\\n\\n

Primary Seamless Tubular Products<\\\/h2>\\n \\n
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Heat Exchanger & Condenser Tubes<\\\/h3>\\n <\\\/div>\\n

Manufactured to strict OD and WT specifications (e.g., ASTM B163). Engineered for efficient thermal transfer while surviving aggressive cooling media like seawater or sulfuric acid.<\\\/p>\\n <\\\/div>\\n\\n

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Instrumentation Tubing<\\\/h3>\\n <\\\/div>\\n

Small-diameter, high-precision tubing (available in straight lengths or coils). Utilized for hydraulic control lines, pressure gauges, and chemical injection umbilicals in offshore platforms.<\\\/p>\\n <\\\/div>\\n\\n

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Heavy-Wall Process Piping<\\\/h3>\\n <\\\/div>\\n

Large Nominal Pipe Size (NPS) seamless pipes in heavy schedules (Sch 80, Sch 160, XXH). Designed for the main arteries of chemical plants handling high-temperature, high-pressure corrosive fluids.<\\\/p>\\n <\\\/div>\\n\\n

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OCTG \\\/ Downhole Tubulars<\\\/h3>\\n <\\\/div>\\n

Oil Country Tubular Goods (OCTG) utilized deep underground. Formed from high-strength superalloys (like Inconel 718) to resist sour gas (H2S), extreme bottom-hole pressure, and chloride stress cracking.<\\\/p>\\n <\\\/div>\\n\\n <\\\/div>\\n\\n

Standard Specifications & Dimensions<\\\/div>\\n
\\n \\n \\n \\n \\n \\n \\n \\n \\n \\n
Specification Category<\\\/th>\\n Details & Standards<\\\/th>\\n <\\\/tr>\\n <\\\/thead>\\n
Standard Specifications<\\\/strong><\\\/td>\\n ASTM B163 (Condenser\\\/Heat Exchanger Tube), ASTM B165 (Monel Seamless), ASTM B167 \\\/ B444 (Inconel Seamless), ASTM B622 (Hastelloy Seamless)<\\\/td>\\n <\\\/tr>\\n
Pipe Size Range (NPS)<\\\/strong><\\\/td>\\n 1\\\/8\\\" NB to 24\\\" NB (Schedules: 10S, 40S, 80S, 160, XXH)<\\\/td>\\n <\\\/tr>\\n
Tube Size Range (OD)<\\\/strong><\\\/td>\\n 1\\\/16\\\" OD to 8\\\" OD (Wall Thickness: 0.010\\\" to 0.500\\\"+)<\\\/td>\\n <\\\/tr>\\n
Delivery Conditions<\\\/strong><\\\/td>\\n Annealed & Pickled, Bright Annealed, Cold Drawn, Extruded<\\\/td>\\n <\\\/tr>\\n
Non-Destructive Testing (NDT)<\\\/strong><\\\/td>\\n 100% Hydrostatic Testing, Eddy Current Testing (ECT), Ultrasonic Testing (UT)<\\\/td>\\n <\\\/tr>\\n <\\\/tbody>\\n <\\\/table>\\n <\\\/div>\\n\\n
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Need Seamless Reliability?<\\\/h3>\\n

Specify whether you need Pipe (NPS & Schedule) or Tube (OD & Wall Thickness), along with your required alloy grade (e.g., seamless Hastelloy C276 tube). We provide full material traceability and custom cut-to-length services.<\\\/p>\\n Get a Seamless Pipe\\\/Tube Quote<\\\/a>\\n <\\\/div>\\n\\n<\\\/div>\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"2260e2c\"}]},\"elements\":[],\"widgetType\":\"html\"}],\"isInner\":false}]"],"_elementor_page_settings":["a:0:{}"],"_elementor_controls_usage":["a:2:{s:4:\"html\";a:3:{s:5:\"count\";i:1;s:15:\"control_percent\";i:0;s:8:\"controls\";a:2:{s:7:\"content\";a:1:{s:13:\"section_title\";a:1:{s:4:\"html\";i:1;}}s:8:\"advanced\";a:1:{s:26:\"display_conditions_section\";a:1:{s:22:\"display_condition_list\";i:1;}}}}s:9:\"container\";a:3:{s:5:\"count\";i:1;s:15:\"control_percent\";i:0;s:8:\"controls\";a:1:{s:8:\"advanced\";a:1:{s:26:\"display_conditions_section\";a:1:{s:22:\"display_condition_list\";i:1;}}}}}"],"rank_math_focus_keyword":["seamless pipe\/tube"],"rank_math_description":["Seamless nickel alloy pipe and tube in Inconel, Monel, Hastelloy and MP35N for high-pressure, corrosion-resistant chemical, offshore and aerospace use."],"ilj_blacklistdefinition":["a:0:{}"],"ilj_linkdefinition":["a:1:{i:0;s:19:\"seamless pipe|\/tube\";}"],"site-content-style":["unboxed"],"site-sidebar-style":["unboxed"],"astra-migrate-meta-layouts":["set"],"theme-transparent-header-meta":["default"],"_uag_page_assets":["a:9:{s:3:\"css\";s:263:\".uag-blocks-common-selector{z-index:var(--z-index-desktop) !important}@media (max-width: 976px){.uag-blocks-common-selector{z-index:var(--z-index-tablet) !important}}@media (max-width: 767px){.uag-blocks-common-selector{z-index:var(--z-index-mobile) !important}}\n\";s:2:\"js\";s:0:\"\";s:18:\"current_block_list\";a:8:{i:0;s:11:\"core\/search\";i:1;s:10:\"core\/group\";i:2;s:12:\"core\/heading\";i:3;s:17:\"core\/latest-posts\";i:4;s:20:\"core\/latest-comments\";i:5;s:13:\"core\/archives\";i:6;s:15:\"core\/categories\";i:7;s:10:\"core\/image\";}s:8:\"uag_flag\";b:0;s:11:\"uag_version\";s:10:\"1779372270\";s:6:\"gfonts\";a:0:{}s:10:\"gfonts_url\";s:0:\"\";s:12:\"gfonts_files\";a:0:{}s:14:\"uag_faq_layout\";b:0;}"],"_uag_css_file_name":["uag-css-3189.css"],"_elementor_page_assets":["a:1:{s:7:\"scripts\";a:1:{i:0;s:18:\"elementor-frontend\";}}"],"_elementor_css":["a:6:{s:4:\"time\";i:1779908990;s:5:\"fonts\";a:0:{}s:5:\"icons\";a:0:{}s:20:\"dynamic_elements_ids\";a:0:{}s:6:\"status\";s:4:\"file\";i:0;s:0:\"\";}"],"_elementor_element_cache":["{\"timeout\":1779998990,\"value\":{\"content\":\"

\\n\\t\\t\\t\\t\\t
\\n\\t\\t\\t\\t
\\n\\t\\t\\t\\t
\\n\\t\\t\\t\\t\\t\\n\\n
\\n\\n
\\n Home<\\\/a> \\n \\\/<\\\/span> \\n Product Forms<\\\/a>\\n \\\/<\\\/span> \\n Pipe & Tube<\\\/a>\\n \\\/<\\\/span> \\n Seamless\\n <\\\/div>\\n\\n
\\n

Seamless Nickel Alloy Pipe & Tube<\\\/h1>\\n \\n

\\n When absolute structural integrity and maximum pressure containment are non-negotiable, seamless tubulars are the only choice. Extruded and pierced from solid nickel alloy billets, 28Nickel's seamless pipes and tubes eliminate the vulnerabilities associated with weld seams. They are engineered to deliver unmatched reliability in severe chemical reactors, deep-water oil & gas extraction, and critical aerospace hydraulic systems.\\n <\\\/p>\\n <\\\/div>\\n\\n

Available Alloy Grades for Seamless Pipe & Tube<\\\/h2>\\n

\\n The aggressive nature of high-temperature corrosive fluids demands a homogenous material structure. We supply seamless tubular products in the world's highest-performing superalloys, ensuring uniform corrosion resistance across the entire length of the pipe.\\n <\\\/p>\\n \\n

\\n

Select a Grade to View Material Specs:<\\\/h3>\\n
\\n Inconel\\u00ae 625 (Excellent Pitting Resistance)<\\\/a>\\n Inconel\\u00ae 718 (High Strength Downhole\\\/OCTG)<\\\/a>\\n \\n Monel\\u00ae 400 (HF Acid & Marine Piping)<\\\/a>\\n Monel\\u00ae K-500 (High Strength Pump Tubing)<\\\/a>\\n \\n Hastelloy\\u00ae C-276 (Severe Chemical Transport)<\\\/a>\\n MP35N\\u00ae (Medical & Aerospace Tubing)<\\\/a>\\n <\\\/div>\\n <\\\/div>\\n\\n

Engineering Advantages of Seamless Construction<\\\/h2>\\n

\\n Unlike welded alternatives, seamless pipes and tubes possess a continuous, uniform grain structure, offering distinct advantages in critical applications.\\n <\\\/p>\\n \\n

\\n \\n
\\n
\\n
\\ud83d\\udee1\\ufe0f<\\\/div>\\n

Maximum Pressure Ratings<\\\/h3>\\n <\\\/div>\\n

Without a longitudinal weld seam (which is traditionally the weakest point under hoop stress), seamless pipes can withstand working pressures typically 20% higher than welded pipes of the same dimensions and alloy.<\\\/p>\\n <\\\/div>\\n\\n

\\n
\\n
\\ud83d\\udd2c<\\\/div>\\n

Homogeneous Corrosion Resistance<\\\/h3>\\n <\\\/div>\\n

The absence of a weld Heat-Affected Zone (HAZ) means there are no localized metallurgical changes. This provides absolute uniformity in resisting localized pitting and intergranular corrosion.<\\\/p>\\n <\\\/div>\\n\\n

\\n
\\n
\\ud83c\\udfaf<\\\/div>\\n

Precision Dimensional Tolerances<\\\/h3>\\n <\\\/div>\\n

Cold-drawn seamless tubes offer incredibly tight tolerances on the Outside Diameter (OD) and Wall Thickness (WT), making them essential for proper insertion and expansion into heat exchanger tube sheets.<\\\/p>\\n <\\\/div>\\n\\n <\\\/div>\\n\\n

Primary Seamless Tubular Products<\\\/h2>\\n \\n
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Heat Exchanger & Condenser Tubes<\\\/h3>\\n <\\\/div>\\n

Manufactured to strict OD and WT specifications (e.g., ASTM B163). Engineered for efficient thermal transfer while surviving aggressive cooling media like seawater or sulfuric acid.<\\\/p>\\n <\\\/div>\\n\\n

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Instrumentation Tubing<\\\/h3>\\n <\\\/div>\\n

Small-diameter, high-precision tubing (available in straight lengths or coils). Utilized for hydraulic control lines, pressure gauges, and chemical injection umbilicals in offshore platforms.<\\\/p>\\n <\\\/div>\\n\\n

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Heavy-Wall Process Piping<\\\/h3>\\n <\\\/div>\\n

Large Nominal Pipe Size (NPS) seamless pipes in heavy schedules (Sch 80, Sch 160, XXH). Designed for the main arteries of chemical plants handling high-temperature, high-pressure corrosive fluids.<\\\/p>\\n <\\\/div>\\n\\n

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OCTG \\\/ Downhole Tubulars<\\\/h3>\\n <\\\/div>\\n

Oil Country Tubular Goods (OCTG) utilized deep underground. Formed from high-strength superalloys (like Inconel 718) to resist sour gas (H2S), extreme bottom-hole pressure, and chloride stress cracking.<\\\/p>\\n <\\\/div>\\n\\n <\\\/div>\\n\\n

Standard Specifications & Dimensions<\\\/div>\\n
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Specification Category<\\\/th>\\n Details & Standards<\\\/th>\\n <\\\/tr>\\n <\\\/thead>\\n
Standard Specifications<\\\/strong><\\\/td>\\n ASTM B163 (Condenser\\\/Heat Exchanger Tube), ASTM B165 (Monel Seamless), ASTM B167 \\\/ B444 (Inconel Seamless), ASTM B622 (Hastelloy Seamless)<\\\/td>\\n <\\\/tr>\\n
Pipe Size Range (NPS)<\\\/strong><\\\/td>\\n 1\\\/8\\\" NB to 24\\\" NB (Schedules: 10S, 40S, 80S, 160, XXH)<\\\/td>\\n <\\\/tr>\\n
Tube Size Range (OD)<\\\/strong><\\\/td>\\n 1\\\/16\\\" OD to 8\\\" OD (Wall Thickness: 0.010\\\" to 0.500\\\"+)<\\\/td>\\n <\\\/tr>\\n
Delivery Conditions<\\\/strong><\\\/td>\\n Annealed & Pickled, Bright Annealed, Cold Drawn, Extruded<\\\/td>\\n <\\\/tr>\\n
Non-Destructive Testing (NDT)<\\\/strong><\\\/td>\\n 100% Hydrostatic Testing, Eddy Current Testing (ECT), Ultrasonic Testing (UT)<\\\/td>\\n <\\\/tr>\\n <\\\/tbody>\\n <\\\/table>\\n <\\\/div>\\n\\n
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Need Seamless Reliability?<\\\/h3>\\n

Specify whether you need Pipe (NPS & Schedule) or Tube (OD & Wall Thickness), along with your required alloy grade (e.g., seamless Hastelloy C276 tube). We provide full material traceability and custom cut-to-length services.<\\\/p>\\n Get a Seamless Pipe\\\/Tube Quote<\\\/a>\\n <\\\/div>\\n\\n<\\\/div>\\t\\t\\t\\t<\\\/div>\\n\\t\\t\\t\\t<\\\/div>\\n\\t\\t\\t\\t\\t<\\\/div>\\n\\t\\t\\t\\t<\\\/div>\\n\\t\\t\",\"scripts\":[],\"styles\":[]}}"]},"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"nickel","author_link":"https:\/\/www.nickelcasting.com\/fr\/author\/nickel\/"},"uagb_comment_info":0,"uagb_excerpt":"Home \/ Product Forms \/ Pipe & Tube \/ Seamless Seamless Nickel Alloy Pipe & Tube When absolute structural integrity and maximum pressure containment are non-negotiable, seamless tubulars are the only choice. Extruded and pierced from solid nickel alloy billets, 28Nickel’s seamless pipes and tubes eliminate the vulnerabilities associated with weld seams. They are engineered\u2026","_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/pages\/3189","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/comments?post=3189"}],"version-history":[{"count":5,"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/pages\/3189\/revisions"}],"predecessor-version":[{"id":3197,"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/pages\/3189\/revisions\/3197"}],"up":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/pages\/3181"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/media?parent=3189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}