牌號
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1.4305一般用途耐腐蝕鋼
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歐標鋼號
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X8CrNiS18-9
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對應標準
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EN 10088-3-2014
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不銹鋼 - 第3部分:半成品,棒材,桿材,線材,型材和光亮產品的一般用途耐腐蝕鋼的交貨技術條件
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Stainless steels-Part 3: Technical delivery condition for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
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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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說明
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物理性能參考EN 10088-1-2014
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X8CrNiS18-9 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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Cu
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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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0.15
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17
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8
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-
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-
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最DA值
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0.1
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1
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2
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0.045
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0.35
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19
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10
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1
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0.11
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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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X8CrNiS18-9 機械性能
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條件
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熱處理或狀態
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抗拉強度
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屈服點
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斷后伸長率或延伸率
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硬度
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σb
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σs
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δ
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HBW
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Mpa
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Mpa
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%
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棒材, 桿材, 線材, 型材, 光亮產品;d≤160
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+AT
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500~750
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≥190
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≥35
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≤230
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冷拔、精加工棒材;d≤10
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+AT
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600~950
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≥15
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冷拔、精加工棒材;10<d≤16
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+AT
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600~950
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≥15
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冷拔、精加工棒材;16<d≤40
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+AT
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500~850
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≥20
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冷拔、精加工棒材;40<d≤63
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+AT
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500~850
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≥20
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冷拔、精加工棒材;63<d≤160
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+AT
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500~750
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≥35
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冷拔線材; d≥0.05
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0
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500~700
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冷拔線材; d≥0.05
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0
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600~800
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冷拔線材; d≥0.05
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1
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700~900
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冷拔線材; d≥0.05
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0
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800~1000
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冷拔線材; d≥0.05
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0
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900~1100
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冷拔線材; d≥0.05
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0
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1000~1250
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冷拔線材; d≥0.05
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0
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1100~1350
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冷拔線材; d≥0.05
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0
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1200~1450
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冷拔線材; d≥0.05
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0
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1400~1700
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冷拔線材; d≥0.05
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0
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1600~1900
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冷拔線材; d≥0.05
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0
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1800~2100
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冷拔線材; 0.05<d≤0.1
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+AT
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≤1100
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≥20
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冷拔線材; 0.1<d≤0.2
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+AT
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≤1050
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≥20
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冷拔線材; 0.2<d≤0.5
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+AT
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≤1000
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≥30
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冷拔線材; 0.5<d≤1
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+AT
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≤950
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≥30
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冷拔線材; 1<d≤3
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+AT
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≤900
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≥30
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冷拔線材; 3<d≤5
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+AT
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≤850
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≥35
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冷拔線材; 5<d≤16
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+AT
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≤800
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≥35
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冷軋棒材;d≤35
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1
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700~850
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≥350
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≥20
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冷軋棒材;d≤25
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0
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800~1000
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≥500
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≥12
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+AT=固溶退火;+A=退火;+QT=調質;+P=沉淀硬化;+C=冷作硬化,+C后綴數字代表抗拉強度等級,即最小抗拉強度值
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long.=縱向軋制;tr.=橫向軋制
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d=直徑或厚度;單位mm
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