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Grade :
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305S19 耐腐蝕鋼片/板和帶材
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Number:
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X4CrNi18-12
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Classification:
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奧氏體不銹鋼
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Density:
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7.9 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 10269:1999具有規(guī)定高溫和/或低溫性能的緊固件用鋼和鎳合金
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EN 10263-5:2001冷鐓和冷擠壓用鋼條、棒材和線材。不銹鋼交貨技術(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 X4CrNi18-12 (305S19 ): EN 10088-2-2005
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硫含量的特定范圍可以提供特定性能的改善。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(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(jìn)行精加工。
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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 0.06
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max 1
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max 2
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11月13日
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max 0.045
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max 0.015
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17 - 19
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max 0.11
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Mechanical properties of steel X4CrNi18-12 (305S19 )
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Rm - Tensile strength (MPa) (+A)
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500-700
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Rm - Tensile strength (MPa) (+AT+C)
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770-800
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Rp0.2 0.2% proof strength (MPa) (+A)
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190-220
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KV - Impact energy (J) longitud., (+A)
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+20°
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100
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KV - Impact energy (J) transverse, (+A)
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+20°
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60
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A - Min. elongation at fracture (%) (+A)
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45
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Nominal diameter (mm):
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2 - 50
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Z - Reduction in cross section on fracture (%)
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60-65
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Brinell hardness (HB): (+A)
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215
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