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Grade :
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318S13耐腐蚀钢片/板和带材
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Number:
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X2CrNiMoN22-5-3
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Classification:
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奥氏体-铁素体不锈钢
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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 10028-7:2007压力用钢制扁平产品。不锈钢
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EN 10222-5:2000压力用钢锻件。马氏体、奥氏体和奥氏体-铁素体不锈钢
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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 10217-7:2005压力用焊接钢管。不锈钢管
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EN 10296-2:2005机械和一般工程用焊接圆钢管。不锈钢。技术交付条件
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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 10263-5:2001冷镦和冷挤压用钢条、棒材和线材。不锈钢交货技术条件
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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 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 X2CrNiMoN22-5-3 (318S13 ): EN 10088-2-2005
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Elements not listed in this table shall not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast.
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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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max 1
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max 2
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4.5 - 6.5
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max 0.035
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max 0.015
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21 - 23
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2.5 - 3.5
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0.1 - 0.22
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Mechanical properties of steel X2CrNiMoN22-5-3 (318S13 )
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Rm - Tensile strength (MPa) (+A)
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640-950
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Rm - Tensile strength (MPa) (+AT)
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640-920
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Rm - Tensile strength (MPa) (+AT+C)
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1000-1020
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Rp0.2 0.2% proof strength (MPa) (+A)
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450-500
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Rp0.2 0.2% proof strength (MPa) (+AT)
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450
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KV - Impact energy (J) transverse, (+A)
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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., (+A)
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+20°
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150
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KV - Impact energy (J) longitud., (+AT)
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+20°
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120-200
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KV - Impact energy (J) transverse, (+AT)
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+20°
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-196°
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-40°
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90-100
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40
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40
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A - Min. elongation at fracture (%) (+A)
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20-25
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A - Min. elongation at fracture (%) transverse, (+AT)
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22
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A - Min. elongation at fracture (%) longitud., (+AT)
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22-30
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Nominal diameter (mm):
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2月25日
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Z - Reduction in cross section on fracture (%)
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50-55
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Brinell hardness (HB): (+A)
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270
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Brinell hardness (HB): (+AT)
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290
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