GB/T 38770-2020 Translated English of Chinese Standard. (GBT 38770-2020, GB/T38770-2020, GBT38770-2020): Spheroidite examination and grading for low and medium carbon steelshttps://www.chinesestandard.net, 20 juni 2020 - 16 sidor This Standard specifies structural examination and grading after spheroidizing annealing for low carbon steel, low carbon alloy steel, medium carbon steel, medium carbon alloy steel. This Standard is applicable to structural examination and grading before cold forming such as cold heading and cold extrusion and after spheroidizing annealing for low and medium carbon steels. |
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Scope | 4 |
Specimen | 5 |
Grading and grading methods for spherical structure | 6 |
Dispute arbitration | 16 |