{"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\/pt\/product-forms\/pipe-and-tube\/seamless\/","title":{"rendered":"Tubo sem costura"},"content":{"rendered":"
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\n In\u00edcio<\/a> \n \/<\/span> \n Formul\u00e1rios de produtos<\/a>\n \/<\/span> \n Tubos e canos<\/a>\n \/<\/span> \n Sem costuras\n <\/div>\n\n
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Tubos de liga de n\u00edquel sem costura<\/h1>\n \n

\n Quando a integridade estrutural absoluta e a conten\u00e7\u00e3o da press\u00e3o m\u00e1xima n\u00e3o s\u00e3o negoci\u00e1veis, os tubos sem costura s\u00e3o a \u00fanica escolha. Extrudidos e perfurados a partir de biletes de liga de n\u00edquel s\u00f3lido, os tubos sem costura da 28Nickel eliminam as vulnerabilidades associadas aos cord\u00f5es de soldadura. S\u00e3o concebidos para proporcionar uma fiabilidade inigual\u00e1vel em reactores qu\u00edmicos severos, extra\u00e7\u00e3o de petr\u00f3leo e g\u00e1s em \u00e1guas profundas e sistemas hidr\u00e1ulicos aeroespaciais cr\u00edticos.\n <\/p>\n <\/div>\n\n

Graus de liga dispon\u00edveis para tubos sem costura<\/h2>\n

\n A natureza agressiva dos fluidos corrosivos a alta temperatura exige uma estrutura de material homog\u00e9nea. Fornecemos produtos tubulares sem costura nas superligas com melhor desempenho do mundo, garantindo uma resist\u00eancia \u00e0 corros\u00e3o uniforme em todo o comprimento do tubo.\n <\/p>\n \n

\n

Selecione um grau para ver as especifica\u00e7\u00f5es do material:<\/h3>\n
\n Inconel\u00ae 625 (excelente resist\u00eancia \u00e0 corros\u00e3o)<\/a>\n Inconel\u00ae 718 (alta resist\u00eancia para fundo de po\u00e7o\/OCTG)<\/a>\n \n Monel\u00ae 400 (\u00e1cido HF e tubagem mar\u00edtima)<\/a>\n Monel\u00ae K-500 (Tubo de bomba de alta resist\u00eancia)<\/a>\n \n Hastelloy\u00ae C-276 (transporte qu\u00edmico severo)<\/a>\n MP35N\u00ae (Tubos m\u00e9dicos e aeroespaciais)<\/a>\n <\/div>\n <\/div>\n\n

Vantagens de engenharia da constru\u00e7\u00e3o sem costura<\/h2>\n

\n Ao contr\u00e1rio das alternativas soldadas, os tubos sem costura possuem uma estrutura de gr\u00e3o cont\u00ednua e uniforme, oferecendo vantagens distintas em aplica\u00e7\u00f5es cr\u00edticas.\n <\/p>\n \n

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

Valores m\u00e1ximos de press\u00e3o<\/h3>\n <\/div>\n

Sem um cord\u00e3o de soldadura longitudinal (que \u00e9 tradicionalmente o ponto mais fraco sob tens\u00e3o de arco), os tubos sem costura podem suportar press\u00f5es de trabalho tipicamente 20% superiores \u00e0s dos tubos soldados com as mesmas dimens\u00f5es e liga.<\/p>\n <\/div>\n\n

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\ud83d\udd2c<\/div>\n

Resist\u00eancia homog\u00e9nea \u00e0 corros\u00e3o<\/h3>\n <\/div>\n

A aus\u00eancia de uma Zona Afetada pelo Calor (ZAC) da soldadura significa que n\u00e3o existem altera\u00e7\u00f5es metal\u00fargicas localizadas. Isto proporciona uma uniformidade absoluta na resist\u00eancia \u00e0 corros\u00e3o localizada por pites e intergranular.<\/p>\n <\/div>\n\n

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\ud83c\udfaf<\/div>\n

Toler\u00e2ncias dimensionais de precis\u00e3o<\/h3>\n <\/div>\n

Os tubos sem costura estirados a frio oferecem toler\u00e2ncias incrivelmente apertadas no di\u00e2metro exterior (OD) e na espessura da parede (WT), o que os torna essenciais para uma inser\u00e7\u00e3o e expans\u00e3o adequadas nas chapas de tubos do permutador de calor.<\/p>\n <\/div>\n\n <\/div>\n\n

Produtos tubulares prim\u00e1rios sem costura<\/h2>\n \n
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\u2668\ufe0f<\/div>\n

Tubos do permutador de calor e do condensador<\/h3>\n <\/div>\n

Fabricado de acordo com especifica\u00e7\u00f5es rigorosas de OD e WT (por exemplo, ASTM B163). Concebidos para uma transfer\u00eancia t\u00e9rmica eficiente, sobrevivendo a meios de arrefecimento agressivos como a \u00e1gua do mar ou o \u00e1cido sulf\u00farico.<\/p>\n <\/div>\n\n

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\ud83c\udf9b\ufe0f<\/div>\n

Tubos de instrumenta\u00e7\u00e3o<\/h3>\n <\/div>\n

Tubos de pequeno di\u00e2metro e alta precis\u00e3o (dispon\u00edveis em comprimentos rectos ou em bobinas). Utilizada para linhas de controlo hidr\u00e1ulico, man\u00f3metros e umbilicais de inje\u00e7\u00e3o qu\u00edmica em plataformas offshore.<\/p>\n <\/div>\n\n

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

Tubagem de processo de parede pesada<\/h3>\n <\/div>\n

Tubos sem costura de grandes dimens\u00f5es nominais (NPS) em calend\u00e1rios pesados (Sch 80, Sch 160, XXH). Concebidos para as principais art\u00e9rias de instala\u00e7\u00f5es qu\u00edmicas que lidam com fluidos corrosivos de alta temperatura e alta press\u00e3o.<\/p>\n <\/div>\n\n

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

OCTG \/ Tubulares de fundo de po\u00e7o<\/h3>\n <\/div>\n

Os produtos tubulares para o sector petrol\u00edfero (OCTG) s\u00e3o utilizados nas profundezas do subsolo. Formados a partir de superligas de alta resist\u00eancia (como Inconel 718<\/a>) para resistir ao g\u00e1s \u00e1cido (H2S), \u00e0 press\u00e3o extrema no fundo do po\u00e7o e \u00e0 fissura\u00e7\u00e3o por tens\u00e3o de cloreto.<\/p>\n <\/div>\n\n <\/div>\n\n

Especifica\u00e7\u00f5es e dimens\u00f5es padr\u00e3o<\/div>\n
\n \n \n \n \n \n \n \n \n \n
Categoria de especifica\u00e7\u00e3o<\/th>\n Detalhes e normas<\/th>\n <\/tr>\n <\/thead>\n
Especifica\u00e7\u00f5es padr\u00e3o<\/strong><\/td>\n ASTM B163 (tubo para condensador\/permutador de calor), ASTM B165 (Monel sem costura), ASTM B167 \/ B444 (Inconel sem costura), ASTM B622 (Hastelloy sem costura)<\/td>\n <\/tr>\n
Gama de tamanhos de tubos (NPS)<\/strong><\/td>\n 1\/8\" NB a 24\" NB (Calend\u00e1rios: 10S, 40S, 80S, 160, XXH)<\/td>\n <\/tr>\n
Faixa de tamanho do tubo (OD)<\/strong><\/td>\n 1\/16\" OD a 8\" OD (Espessura da parede: 0,010\" a 0,500\"+)<\/td>\n <\/tr>\n
Condi\u00e7\u00f5es de entrega<\/strong><\/td>\n Recozido e decapado, Recozido brilhante, Estirado a frio, Extrudido<\/td>\n <\/tr>\n
Ensaios n\u00e3o destrutivos (NDT)<\/strong><\/td>\n 100% Ensaio hidrost\u00e1tico, Ensaio por correntes parasitas (ECT), Ensaio por ultra-sons (UT)<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n\n
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Precisa de fiabilidade sem falhas?<\/h3>\n

Especifique se precisa de Tubo (NPS & Schedule) ou Tubo (OD & Wall Thickness), juntamente com o seu grau de liga necess\u00e1rio (por exemplo, tubo Hastelloy C276 sem costura). Fornecemos rastreabilidade total do material e personalizado<\/a> servi\u00e7os de corte longitudinal.<\/p>\n Obter uma cota\u00e7\u00e3o de tubos sem costura<\/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

\\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

\\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

\\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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\\ud83c\\udf9b\\ufe0f<\\\/div>\\n

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\/pt\/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…","_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/pt\/wp-json\/wp\/v2\/pages\/3189","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nickelcasting.com\/pt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.nickelcasting.com\/pt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/pt\/wp-json\/wp\/v2\/comments?post=3189"}],"version-history":[{"count":5,"href":"https:\/\/www.nickelcasting.com\/pt\/wp-json\/wp\/v2\/pages\/3189\/revisions"}],"predecessor-version":[{"id":3197,"href":"https:\/\/www.nickelcasting.com\/pt\/wp-json\/wp\/v2\/pages\/3189\/revisions\/3197"}],"up":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/pt\/wp-json\/wp\/v2\/pages\/3181"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/pt\/wp-json\/wp\/v2\/media?parent=3189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}