GB/T 25743-2010Cryogenic treatment of steel parts (English PDF)
钢件深冷处理
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 23, 2010
Implementation date
June 1, 2011
Scope
GB/T 25743-2010 is the English-translated version of 钢件深冷处理.
GB/T 25743-2010 is the Chinese standard "Cryogenic treatment of steel parts". Its scope clause reads: This standard specifies the applicable steel, equipment, technology, quality inspection and safety and health requirements for steel hardening after cryogenic treatment and the like.
This standard applies to cryogenic treatment of steel after quenching or after quenching and tempering. Its clauses include terms and definitions; pending cryogenic treatment member.
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Document preview — GB/T 25743-2010
National Standard of the People's Republic of China
- ICS
- 25.200
- Classification
- J 36
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 pending cryogenic treatment member
- 5 cryogenic processing apparatus
- 6 cryogenic treatment
- 7 cryogenic processing member
- 8 3 quality requirements and quality inspection
- 9 testing equipment
- 10 safety and health and labor protection requirements
- 11 records and product report card
- Appendix A (informative) several common types of cryogenic processing apparatus
1 Scope
This standard specifies the applicable steel, equipment, technology, quality inspection and safety and health requirements for steel hardening after cryogenic treatment and the like.
This standard applies to cryogenic treatment of steel after quenching or after quenching and tempering.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 230.1 metallic materials - Rockwell hardness test - Part 1. Test methods (A, B, C, D, E, F, G, H, K, N, T standard
Feet) (GB/T 230.1-2009, ISO 6508-1.2005, MOD)
GB/T 1222 spring steel
GB/T 1298 carbon tool steel (GB/T 1298-2008, ASTMA686.1992, NEQ)
GB/T 1299 alloy tool steel (GB/T 1299-2000, neqASTMA681.1994)
GB/T 3077 alloy structural steel (GB/T 3077-1999, neqDINEN10083-1.1991)
GB/T 5216 guaranteed hardenability structural steel
GB/T 7232 metal heat treatment
Determination of GB/T 9452 heat treating furnace zone
GB/T 9943 high-speed tool steel (GB/T 9943-2008, ISO 4957.1999, NEQ)
GB/T 13324 term heat treatment equipment
GB 15735 metal heat treatment production process safety and health requirements
GB/T 15822.2 destructive testing - Magnetic particle testing - Part 2. Detection media (GB/T 15822.2-2005, ISO 9934-2.
2002, IDT)
GB/T 18254 high carbon chromium bearing steel
GB/T 20878 stainless steel and heat-resistant steel grades and chemical composition
3 Terms and Definitions
GB/T 7232, GB/T 13324 and established in the following terms and definitions apply to this standard.
3.1 Pending cryogenic treatment member
After appropriate preliminary heat treatment is ready for cryogenic treatment of the workpiece.
3.2 Cryogenic member
After the workpiece cryogenic treatment.
4 pending cryogenic treatment member
4.1 commonly used materials
Cryogenic treatment process commonly used steel in Table 1.
GB/T 30583-2014 | GB/T 25745-2010 | GB/T 25744-2010 | GB/T 16923-2026 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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