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Grade :
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310S31 無縫圓形鋼管。不銹鋼
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Number:
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X8CrNi25-21
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Classification:
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奧氏體耐熱鋼
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Density:
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7.9 g/cm ?
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Standard:
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EN 10095:1999耐熱鋼和鎳合金
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EN 10296-2:2005機械和一般工程用焊接圓鋼管。不銹鋼。技術交付條件
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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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Equivalent grades:
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Chemical composition % of steel X8CrNi25-21 (310S31 ): EN 10095-1999
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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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N
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max 0.1
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max 1.5
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max 2
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19 - 22
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max 0.045
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max 0.015
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24 - 26
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max 0.11
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Mechanical properties of steel X8CrNi25-21 (310S31 )
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Rm - Tensile strength (MPa) (+AT)
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500-700
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Rp0.2 0.2% proof strength (MPa) (+AT)
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210
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A - Min. elongation at fracture (%) (+AT)
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33-35
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Brinell hardness (HB): (+AT)
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192
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