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Grade :
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1.4424耐腐蚀钢片/板和带材
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Number:
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X2CrNiMoSi18-5-3
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Classification:
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奥氏体-铁素体不锈钢-特殊等级
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Density:
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7.8 g/cm ³
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Standard:
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EN 10088-2:2005不锈钢。通用耐腐蚀钢片/板和带材交货技术条件
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EN 10088-3:2005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
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EN 10216-5:2014压力用无缝钢管。技术交付条件。不锈钢管
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EN 10297-2:2005机械和一般工程用无缝圆形钢管。不锈钢。技术交付条件
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EN 10088-1:2005不锈钢。不锈钢清单
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EN 10088-5:2009不锈钢。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
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EN 10088-4:2009不锈钢。建筑用耐腐蚀钢片/板和带材交货技术条件
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Equivalent grades:
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Chemical composition % of steel X2CrNiMoSi18-5-3 (1.4424): EN 10088-2-2005
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未经买方同意，不得故意将本表中未列出的元素添加到钢材中，除非对铸件进行精加工。
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C
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Si
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Mn
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Ni
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P
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S
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Cr
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Mo
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N
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max 0.03
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1.4 - 2
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1.2 - 2
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4.5 - 5.2
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max 0.035
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max 0.015
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18 - 19
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2.5 - 3
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0.05 - 0.1
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Mechanical properties of steel X2CrNiMoSi18-5-3 (1.4424)
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Rm - Tensile strength (MPa) (+A)
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680-900
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Rm - Tensile strength (MPa) (+AT)
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700-900
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Rp0.2 0.2% proof strength (MPa) (+A)
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400-450
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Rp0.2 0.2% proof strength (MPa) (+AT)
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480
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KV - Impact energy (J) longitud.,
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+20°
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100
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A - Min. elongation at fracture (%) (+A)
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25
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A - Min. elongation at fracture (%) (+AT)
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30
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Brinell hardness (HB): (+A)
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260
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