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GB/T 45981.1-2025 Active
GB/T 45981.1-2025 Heavy casting and forging for heavy-duty gas turbine—Part 1:Steel open die forgings
Abstract
This document specifies the supplier requirements, manufacturing processes, and technical requirements for free-forged parts made from large alloy structural steel and martensitic heat-resistant steel used in heavy-duty gas turbines. It also describes the corresponding test methods, sets out inspection rules, acceptance criteria, quality certificates, and marking and packaging requirements.
This document applies to the manufacture of steel free-forged parts (hereinafter referred to as "forged parts") such as shaft heads, center rods, compressors, and turbine disks for F-class heavy-duty gas turbines.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 45981.1-2025 |
| CCS | Forging and pressing |
| ICS | \nSteel forgings |
| Implement Date | 2026-03-01 |
Price
$ 62.00
Subtotal
$ 62.00
Tax
$ 0.00
Order Total (incl. tax)
$ 62.00