Along with the years of entrepreneurial journey of Zhongyuan people, she gradually formed her own spiritual pillar and behavioral norms. In the silent inheritance, she guided Zhongyuan Company towards a more brilliant tomorrow.
Chemical Analysis and Mechanical Properties of SSAW Steel Pipe 螺旋埋弧焊管的化学分析和力学性能 | ||||||||
Standard 标准 | Grade 等级 | Chemical Composition(max)% 化学成分(最大)% | Mechanical Properties(min) 机械性能(最小值) | |||||
C | Si | Mn | P | S | Tensile Strength(Mpa) 抗拉强度 | Yield Strength(Mpa) 屈服强度 | ||
ASTM A252 | 1 | - | - | - | 0.05 | - | 345 | 345 |
2 | - | - | - | 0.05 | - | 414 | 414 | |
3 | - | - | - | 0.05 | - | 455 | 455 |
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