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合同中未注明者按A级执行。
脱碳层：
一组不大于2%D
（含碳量≥0.60%）
二组不大于2.5%D
三组不大于3%D
要求一、三组应在合同中注明。
特殊要求：根据需方要求，经共需双方协议，可
进行力学性能，冷弯试验、冷顶端试
验、扭转试验、实际晶粒度、奥氏体
晶粒度、非金属夹杂物、金相组织等
检验，各项检验的指标由供需双方协
定规定，并在合同中注明。
卷重：2000-2400 KG
The contract does not indicate according to grade A executed.
Peeled carbon lay: Grade
one not more than 2%D
(contained carbon Grade
one not more than 2.5%D
number≥0.60%) Grade
one not more than 3%D
Requested grade one, three should be indicated in contract.
Special requested:
If you have another test requests, the test index would be made an
agreement with parties and indicated in contract.
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