Nickel Alloy Forged Blocks & Discs
When machining massive high-pressure valve bodies, subsea manifold blocks, and heavy-duty heat exchanger tube sheets, absolute internal integrity is required. 28Nickel manufactures premium open-die forged blocks and upset forged discs engineered to eliminate internal porosity. By intensely kneading the superalloy under immense hydraulic pressure, we deliver solid blanks with exceptional multi-directional strength, ready for your most critical CNC machining operations.
Available Alloy Grades for Blocks & Discs
Heavy-duty applications demand materials that won't yield under crushing hydrostatic pressure or severe thermal stress. We forge blocks and discs in the industry's most robust, high-yield superalloys.
Select a Grade to View Material Specs:
Forged Profiles & Engineering Advantages
Starting your production with a custom forged blank rather than a standard hot-rolled plate ensures superior mechanical properties, particularly in the transverse (thickness) direction.
Forged Blocks (Rectangular/Square)
Massive solid blocks created through multi-directional forging. This "kneading" process refines the grain structure throughout the entire cross-section. Essential for machining extreme-pressure fluid control manifolds, pump casings, and blowout preventers (BOPs).
Upset Forged Discs (Round Blanks)
Manufactured by compressing a billet along its vertical axis (upsetting). This creates a highly desirable radial grain flow radiating from the center. The mandatory choice for massive heat exchanger tube sheets, heavy blind 플랜지, and aerospace turbine discs.
Elimination of Porosity
Unlike large castings which are prone to shrinkage voids and gas porosity, our heavy forgings are fully consolidated under thousands of tons of pressure, guaranteeing a 100% leak-proof structure for critical containment systems.
Rough Machining Services
We supply forgings in the "as-forged" condition or rough-machined (proof machined). Rough machining removes the tough outer forging scale, saving your CNC tools from excessive wear and revealing a clean surface for final precision turning.
| Specification Category | Details & Standards |
|---|---|
| 표준 사양 | ASTM B564 (Nickel Alloy Forgings), API 6A (Wellhead and Tree Equipment), AMS Aerospace Specifications. |
| Size Capabilities | Discs/Blanks up to 100"+ (2500mm+) in diameter. Heavy blocks forged to custom near-net dimensions. (Maximum weights depend on the specific superalloy grade). |
| Delivery Conditions | As-Forged, Rough Machined, Solution Annealed, Precipitation Hardened (Aged) to maximum yield strength (e.g., 인코넬 718 at 120ksi+ yield). |
| 비파괴 검사(NDT) | 100% Ultrasonic Testing (UT) is strictly performed on heavy blocks and discs to ensure zero internal defects before shipment. |
Require a Heavy Forged Blank?
Send us your required alloy grade (e.g., Inconel 718 API 6A), Dimensions (Length x Width x Thickness, or Diameter x Thickness), and whether you require rough machining. We provide full mill test reports (MTR) with UT results.
Request a Forged Block/Disc Quote