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牌號
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07Cr17Ni7Al不銹彈簧鋼絲
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中國ISC
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S51770
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舊牌號
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0Cr17Ni7Al
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對應標準
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GB /T 24588-2019
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不銹彈簧鋼絲
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en:Stainless steel wires for spring
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歸類
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沉淀硬化型不銹鋼
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性能
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彈性 耐腐蝕
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標簽
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沉淀硬化型不銹鋼
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說明
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本標準適用于制作彈簧用奧氏體型和沉淀硬化型不銹彈簧鋼絲
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密度
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7.93 g/cm3
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07Cr17Ni7Al 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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Al
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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
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6.5
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0.75
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最DA值
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0.09
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1
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1
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0.04
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0.03
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18
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7.75
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1.5
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07Cr17Ni7Al 機械性能
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條件
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熱處理或狀態(tài)
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抗拉強度
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σb
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Mpa
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冷拉鋼絲；d<0.2
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C組
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≥1970
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冷拉鋼絲；0.2≤d<0.3
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≥1950
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冷拉鋼絲；0.3≤d<0.4
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≥1920
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冷拉鋼絲；0.4≤d<0.5
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≥1900
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冷拉鋼絲；0.5≤d<0.63
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≥1850
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冷拉鋼絲；0.63≤d<0.8
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≥1820
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冷拉鋼絲；0.8≤d<1
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≥1800
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冷拉鋼絲；1≤d<1.2
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≥1750
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冷拉鋼絲；1.2≤d<1.5
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≥1700
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冷拉鋼絲；1.5≤d<1.6
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≥1650
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冷拉鋼絲；1.6≤d<2
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≥1600
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冷拉鋼絲；2≤d<2.5
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≥1550
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冷拉鋼絲；2.5≤d<3
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≥1500
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冷拉鋼絲；3≤d<3.5
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≥1450
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冷拉鋼絲；3.5≤d<4
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≥1400
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冷拉鋼絲；4≤d<4.5
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≥1350
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冷拉鋼絲；5≤d<6
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≥1300
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冷拉鋼絲；6≤d<7
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≥1250
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冷拉鋼絲；7≤d<8
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≥1200
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冷拉鋼絲；8≤d<10
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≥1150
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試樣；d<0.2
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時效
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2270~2610
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試樣；0.2≤d<0.3
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時效
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2250~2580
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試樣；0.3≤d<0.4
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時效
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2220~2550
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試樣；0.4≤d<0.5
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時效
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2200~2530
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試樣；0.5≤d<0.63
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時效
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2150~2470
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試樣；0.63≤d<0.8
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時效
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2120~2440
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試樣；0.8≤d<1
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時效
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2100~2410
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試樣；1≤d<1.2
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時效
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2050~2350
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試樣；1.2≤d<1.5
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時效
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2000~2300
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試樣；1.5≤d<1.6
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時效
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1950~2240
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