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Grade :
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631 彈簧用不銹鋼帶
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Number:
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X7CrNiAl17-7
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Classification:
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馬氏體鋼和沉淀硬化鋼-特殊等級(jí)
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Density:
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7.8 g/cm ?
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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(shù)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(chǎn)品的交貨技術(shù)條件
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EN 10151:2003彈簧用不銹鋼帶。技術(shù)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(chǎn)品的交貨技術(shù)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(shù)條件
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Equivalent grades:
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Chemical composition % of steel X7CrNiAl17-7 (631 ): EN 10088-2-2005
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未經(jīng)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(duì)鑄件進(jìn)行精加工。
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為了獲得更好的冷變形能力，上限Nimay可提高到8.3%
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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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Al
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max 0.09
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max 0.7
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max 1
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6.5 - 7.8
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max 0.04
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max 0.015
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16 - 18
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0.7 - 1.5
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Mechanical properties of steel X7CrNiAl17-7 (631 )
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Rm - Tensile strength (MPa) (+AT)
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850-1030
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A - Min. elongation at fracture (%) (+AT)
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19
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Brinell hardness (HB): (+AT)
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255
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