牌號
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1.4406奧氏體不銹鋼
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歐標鋼號
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X2CrNiMoN 17-11-2
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對應標準
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EN 10088-1-2005
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不銹鋼 第1部分:不銹鋼的清單
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Staehle Stainless steels. Part 1:List of stainless steels
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歸類
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奧氏體不銹鋼
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性能
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耐腐蝕
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標簽
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奧氏體不銹鋼
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密度
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8 g/cm3
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X2CrNiMoN 17-11-2 化學元素成分含量(%)
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成分
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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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Ni ?
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Mo
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N
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最小值
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-
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-
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-
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-
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-
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16.5
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10
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2
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0.12
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最DA值
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0.03
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1
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2
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0.045
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0.015
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18.5
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12.5
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2.5
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0.22
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① 未經買方同意,不得隨意向鋼中添加表中未列的元素,冶煉精加工除外。采取一切必要措施以防在廢鋼和生產原料中帶入這些元素,因為其會削弱鋼的機械性能,降低鋼的適用性。
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? 對于棒材、線材、型材、光亮產品和相關的半成品,硫含量最大允許 0.030%。特定的硫含量范圍可提高特定的性能。對于將進行機加工的產品,建議硫含量控制在0.015~0.030%范圍內。對于要求焊接性能的,建議硫含量控制在 0.008~0.030%范圍內。對光亮產品,建議硫含量最DA允許 0.015%。
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? 因為特殊原因,例如用來制作無縫管的不銹鋼其熱加工性要求必需將δ鐵含量降到最DI,或低的導磁率,鎳含量最DA可提高1.00%
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物理性能
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各溫度°C時彈性模量
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20°C與各溫度間熱膨脹系數
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熱導率
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比熱容
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電阻率
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磁性
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20
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100
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200
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300
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400
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500
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100°C
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200°C
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300°C
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400°C
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500°C
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20°C
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20°C
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20°C
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GPa
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10-6K-1
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W/m.K
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J/kg.K
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Ω.mm2/m
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200
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194
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186
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179
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172
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165
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16
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16.5
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17
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17.5
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18
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15
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500
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0.75
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no*
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*-Small amounts of ferrite and/or martensite caused by cold deformation will increase the magnetizability. (由冷變形產生的少量鐵素體和/或馬氏體將提高磁化率.)
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