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牌號
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S32205不銹鋼彈簧絲
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美國UNS
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2205
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對應(yīng)標(biāo)準(zhǔn)
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ASTM A313/A313M-2018
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不銹鋼彈簧絲
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Stainless Steel Spring Wire
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歸類
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雙相不銹鋼
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標(biāo)簽
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奧氏體-鐵素體
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說明
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本標(biāo)準(zhǔn)適用于制造彈簧的奧氏體、奧氏體-鐵素體、沉淀硬化不銹鋼圓鋼絲。
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2205 化學(xué)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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22
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4.5
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3
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0.14
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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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0.03
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0.02
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23
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6.5
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3.5
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0.2
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2205 機(jī)械性能
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直徑
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抗拉強(qiáng)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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0.14≤d≤0.2
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2150~2350
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0.2<d≤0.3
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2100~2300
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0.3<d≤0.5
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2000~2200
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0.5<d≤0.8
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1900~2100
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0.8<d≤1.25
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1800~2000
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1.25<d≤2
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1700~1900
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2<d≤3.5
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1550~1750
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3.5<d≤5
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1450~1650
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5<d≤8
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1350~1550
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