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Grade :
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X2CrNiMoSi18-5-3耐腐蝕鋼片/板和帶材
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Number:
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1.4424
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Classification:
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奧氏體-鐵素體不銹鋼-特殊等級
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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不銹鋼。通用耐腐蝕鋼片/板和帶材交貨技術條件
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EN 10088-3:2005不銹鋼。一般用途耐腐蝕鋼的半成品、棒材、線材、型材和光亮產品的交貨技術條件
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EN 10216-5:2014壓力用無縫鋼管。技術交付條件。不銹鋼管
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EN 10297-2:2005機械和一般工程用無縫圓形鋼管。不銹鋼。技術交付條件
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EN 10088-1:2005不銹鋼。不銹鋼清單
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EN 10088-5:2009不銹鋼。建筑用耐腐蝕鋼棒材、棒材、線材、型材和光亮產品的交貨技術條件
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EN 10088-4:2009不銹鋼。建筑用耐腐蝕鋼片/板和帶材交貨技術條件
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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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未經買方同意，不得故意將本表中未列出的元素添加到鋼材中，除非對鑄件進行精加工。
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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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