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等级：
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S32750 通用耐腐蚀钢片/板和带材
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编号：
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X2CrNiMoCuWN25-7-4
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分类：
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奥氏体-铁素体不锈钢-特殊等级
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Density:密度
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7.8 g/cm ³
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标准：
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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 10028-7:2007压力用钢制扁平产品。不锈钢
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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 10253-3:2008对焊管件。无特殊检验要求的锻造奥氏体和奥氏体-铁素体（双相）不锈钢
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EN 10253-4:2008对焊管件。有特殊检验要求的锻制奥氏体和奥氏体-铁素体（双相）不锈钢
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EN 10272:2007压力用不锈钢棒
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EN 10250-4:2000一般工程用开口钢模锻件。不锈钢
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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 10217-7:2005压力用焊接钢管。不锈钢管
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EN 10088-1:2005不锈钢。不锈钢清单
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Chemical comb % of steel S32750
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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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W
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N
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Cu
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max 0.03
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max 1
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max 1
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6月8日
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max 0.035
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max 0.015
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24 - 26
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3月4日
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0.5 - 1
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0.2 - 0.3
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0.5 - 1
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Mechanical properties of steel S32750
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Rm - Tensile strength (MPa) (+A)
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730-930
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Rm - Tensile strength (MPa) (+AT)
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800-1000
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Rp0.2 0.2% proof strength (MPa) (+A)
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530
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Rp0.2 0.2% proof strength (MPa) (+AT)
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550
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KV - Impact energy (J) transverse, (+A)
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+20°
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-40°
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90
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40
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KV - Impact energy (J) transverse, (+AT)
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+20°
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-40°
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100
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40
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KV - Impact energy (J) longitud., (+AT)
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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 (%) longitud., (+AT)
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20
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Brinell hardness (HB): (+A)
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290
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Brinell hardness (HB): (+AT)
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310
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Properties of steel S32750
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耐晶间腐蚀：在交货条件下-是；处于致敏状态-是
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