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Gr 缝钢管 Number: X1CrNiMoN25-22-2 Classification: 奥氏体不锈钢-特殊等级 Density: 8 g/cm 3 Standard: & 。通用耐腐蚀钢片/板和带材交货技术条件 < 5不锈钢。一般用途耐腐蚀钢的半成品、棒材、线材、型材和光亮产品的交货技术条件&n 制扁平产品。不锈钢 无缝钢管。技术交付条件。不锈钢管 2005机械和一般工程用无缝圆形钢管。不锈钢。技术交付条件锈钢。建筑用耐腐蚀钢棒材、棒材、线材、型材和光亮产品的交货技术条件 Chemical composition % of steel   -2005 C Si Mn Ni P S Cr Mo N max 0.02 max 0.7 max 2 21 - 23 max 0.025 max 0.01 24 - 26 2 - 2.5 0.1 - 0.16 Mechanical properties of steel &nb 10050 ) Rm - Tensile strength (MPa) (+A) 540-740 Rm - Tensile strength (MPa nbsp; Rp0.2 0.2% proof strength (MPa) (+A) 250 Rp0.2 0.2% proof strength (MPa) (+AT) 260 KV - Impact energy (J) transverse, (+A) +20° -196° 60 60 KV - Impact energy (J) longitud., (+A) +20° 100 A - Min. elongation at fracture (%) (+A) 35-40 A - Min. elongation at fracture (%) longitud., (+AT) 40 A - Min. elongation at fracture (%) transverse, (+AT) 30 Brinell hardness (HB): (+A) 240 |
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