优质碳素结构钢热轧和锻制圆管坯
Quality hot rolled and forged carbon structural steel round tube blank
2014-10-14
YB/T 5221-2014
合金结构钢热轧和锻制圆管坯
Alloy structure steel round tube blank hot rolled and forged for making seamless tube
2014-10-14
ASTM A500/A500M-23
Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes
圆形和形状的冷成型焊接和无缝碳钢结构管
2023-11-01
ASTM A1110/A1110M-21
Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes with 52 KSI [360 MPa] Minimum Yield Strength and Impact Requirements
最小屈服强度和冲击要求为52 KSI[360 MPa]的圆形和异型冷成型焊接和无缝碳钢结构管的标准规范