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Grade :
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420耐腐蝕鋼片/板和帶材
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Number:
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X20Cr13
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Classification:
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馬氏體不銹鋼
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Density:
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7.7 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 10151:2003彈簧用不銹鋼帶。技術交付條件
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EN 10250-4:2000一般工程用開口鋼模鍛件。不銹鋼
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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 X20Cr13 (420 ): EN 10088-2-2005
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特定的硫含量范圍可以改善特定的財產。對于可加工性，建議并允許將硫含量控制在0.015%至0.030%之間。對于可焊性，建議并允許將硫含量控制在0.008%至0.030%之間。對于可極化性，建議將硫含量控制在最大0.015%。
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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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P
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S
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Cr
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0.16 - 0.25
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max 1
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max 1.5
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max 0.04
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max 0.015
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12月14日
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Mechanical properties of steel X20Cr13 (420 )
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Rm - Tensile strength (MPa) (+QT)
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650-950
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Rp0.2 0.2% proof strength (MPa) (+QT)
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450-600
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KV - Impact energy (J) longitud., (+QT)
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+20°
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20-25
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A - Min. elongation at fracture (%) (+QT)
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10月12日
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Vickers hardness ( HV): (+A)
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190 - 240
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Vickers hardness ( HV): (+QT)
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480 - 520
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Brinell hardness (HB): (+A)
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230
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