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JB/T 12522-2015Steel castings for metalforming machinery - Specifications (English PDF)

锻压机械铸钢件技术条件

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

October 10, 2015

Implementation date

March 1, 2016

Scope

JB/T 12522-2015 is the English-translated version of 锻压机械铸钢件技术条件.

JB/T 12522-2015 is a recommended Chinese machinery industry standard that lays down the specifications for steel castings used in metalforming machinery. The document carries the Chinese classification J62 and the international classification 25.120.10, and the Ministry of Industry and Information Technology issued it.

Among the standards it quotes are GB/T 222, GB/T 223, GB/T 228.1, GB/T 229, GB/T 231.1, GB/T 4336, GB/T 4338, GB/T 6060.1, GB/T 6414, GB/T 8170, GB/T 9443, GB/T 9444, GB/T 11351, GB/T 11352, GB/T 14408, GB/T 15056, GB/T 16923 and GB/T 16924.

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Document preview — JB/T 12522-2015

National Standard of the People's Republic of China

ICS: 25.120.10

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

1 Scope
2 Normative references
3 Classification and grade
3.1 Classification
3.2 Grade
4 Technical requirements
4.1 Production method
4.2 Chemical composition
4.3 Mechanical properties
4.4 Heat treatment
4.5 Surface quality
4.6 Geometrical shape, dimensions, dimensional tolerances and machining allowance
4.7 Weight tolerance
4.8 Defects
4.9 Repair welding
5 Test methods
5.1 Analysis of the chemical composition
5.2 Mechanical properties
5.3 Surface inspection
5.4 Non-destructive testing
6 Inspection rules
6.1 Inspection procedure
6.2 Place of inspection
6.3 Division of the batches
6.4 Analysis of the chemical composition
6.5 Mechanical property test
6.6 Retest
6.7 Re-heat treatment
6.8 Inspection of the surface quality and of the casting defects
6.9 Inspection of the geometrical shape, dimensions, dimensional tolerances and machining allowance
6.10 Non-destructive testing
6.11 Rounding of the test results
6.12 Additional inspection requirements
7 Marking, packaging, transport and storage
7.1 Marking and certificate of conformity
7.2 Surface protection, packaging, transport and storage
8 Additional requirements

Document data

International classification (ICS): 25.120.10.

Chinese classification (CCS): J62.

Estimated length of the Chinese original: 13,132 words.

Standards quoted by this document

GB/T 222; GB/T 223; GB/T 228.1; GB/T 229; GB/T 231.1; GB/T 231.2; GB/T 231.3; GB/T 4336; GB/T 4338; GB/T 5677; GB/T 5678; GB/T 6060.1; GB/T 6414; GB/T 7233.1; GB/T 8170; GB/T 9443; GB/T 9444; GB/T 11351; GB/T 11352; GB/T 14408; GB/T 15056; GB/T 16923; GB/T 16924

3 Classification and grade

4 Technical requirements

5 Test methods

6 Inspection rules

7 Marking, packaging, transport and storage

8 Additional requirements

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 223 · GB/T 4338

Similar standards

JB/T 5775-2010|JB/T 1829-2014|GB/T 37400.17-2022|GB/T 37400.14-2019|GB/T 37400.6-2019|GB/T 37400.7-2019

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