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牌號
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1.4539不銹彈簧鋼絲
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德國W-Nr.
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X1NiCrMoCu25- 20-5
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對應標準
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DIN EN 10270-3-2012
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機械彈簧鋼絲—第3部分：不銹彈簧鋼絲
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Steel wire for mechanical springs – Part 3: Stainless spring steel wire
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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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彈性 耐腐蝕
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X1NiCrMoCu25- 20-5 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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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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19
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24
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1.2
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4
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-
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最DA值
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0.02
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0.7
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2
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0.03
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0.01
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21
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26
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2
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5
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0.15
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X1NiCrMoCu25- 20-5 機械性能
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直徑
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抗拉強度
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d
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σb
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mm
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Mpa
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d ≤ 0.2
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1640~1840
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0.2 <d≤ 0.3
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1550~1790
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0.3<d≤ 0.4
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1550~1790
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0.4<d≤ 0.5
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1500~1750
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0.5<d≤ 0.65
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1450~1670
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0.65<d≤ 0.8
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1450~1670
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0.8<d≤ 1
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1400~1610
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1<d≤ 1.25
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1350~1560
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1.25<d≤ 1.5
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1350~1560
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1.5<d≤ 1.75
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1300~1500
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1.75<d≤ 2
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1300~1500
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2<d≤ 2.5
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1300~1500
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2.5<d≤ 3
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1300~1500
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3<d≤ 3.5
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1300~1500
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3.5<d≤ 4.25
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1250~1440
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4.25<d≤ 5
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1250~1440
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5<d≤ 6
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1250~1440
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6<d≤ 7
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1200~1380
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7<d≤ 8.5
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1150~1330
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對于本牌號鋼絲制造的彈簧，其特性不僅取決于拉絲本身的特性，還取決于彈簧的熱處理(見A.2)。因此本牌號鋼在拉伸后通過熱處理來滿足機械性能。
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