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Grade :
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X7CrNiTi18-10壓力用無縫鋼管
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Number:
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1.4940
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Classification:
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奧氏體抗蠕變鋼
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Density:
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7.9 g/cm 3
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Standard:
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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 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 X7CrNiTi18-10 (1.4940): EN 10216-5-2014
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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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Ti
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-
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0.04 - 0.08
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max 1
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max 2
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9月13日
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max 0.04
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max 0.015
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17 - 19
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max 0.1
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0.2 - 0.8
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5*(C+N) < Ti < 0.8
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Mechanical properties of steel X7CrNiTi18-10 (1.4940)
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Rm - Tensile strength (MPa) (+AT)
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510-710
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Rp0.2 0.2% proof strength (MPa) (+AT)
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190
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KV - Impact energy (J) longitud., (+AT)
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+20°
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100
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KV - Impact energy (J) transverse, (+AT)
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+20°
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60
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A - Min. elongation at fracture (%) longitud., (+AT)
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35
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A - Min. elongation at fracture (%) transverse, (+AT)
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30
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