No. 131406

4117

国家或地区巴西
标准体系NBR

对应标准

ABNT NBR 6915:1991Steels for die hot forging - Specification
- 化学成分
- 力学性能
ABNT NBR NM 87:1996Carbon steel and steel alloy for general engineering purposes - Designation and chemical composition
- 化学成分
ABNT NBR 9769:1987Normalization heat treatment of rolled or forged carbon steel or steel alloy bars
- 力学性能