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Grade :
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X2CrNbZr17通用耐腐蝕鋼片/板和帶材
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Number:
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1.4590
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Classification:
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鐵素體不銹鋼-特級
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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(shù)條件
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EN 10088-1:2005不銹鋼。不銹鋼清單
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Equivalent grades:
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Chemical composition % of steel X2CrNbZr17 (1.4590): EN 10088-2-2005
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Zr >= 7 * ( C + N ) + 0.15
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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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Nb
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Zr
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max 0.03
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max 1
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max 1
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max 0.04
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max 0.015
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16 - 17.5
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0.35 - 0.55
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max 0.15
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Mechanical properties of steel X2CrNbZr17 (1.4590)
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Rm - Tensile strength (MPa) (+A)
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400-550
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Rp0.2 0.2% proof strength (MPa) (+A)
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230
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A - Min. elongation at fracture (%) (+A)
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23
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Properties of steel X2CrNbZr17 (1.4590)
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Resistance to intergranular corrosion: in the delivery condition - yes; in the welded condition - yes
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