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常见易切削不锈钢牌号与成分 |
发布时间:2023-11-13 15:13:28 | 浏览次数: |
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常见易切削不锈钢牌号与成分
奥氏体 Austenitic
UNS
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S20300
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S30300
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S30310
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S30323
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S30345
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Type
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XM-1
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303
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XM-5
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303Se
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XM-2
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C
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≤0.08
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≤0.15
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≤0.15
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≤0.15
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≤0.15
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Si
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≤1.00
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≤1.00
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≤1.00
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≤1.00
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≤1.00
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Mn
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5.00
6.50
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≤2.00
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2.5
4.5
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≤2.00
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≤2.00
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P
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≤0.04
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≤0.20
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≤0.20
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≤0.20
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≤0.05
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S
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0.18
0.35
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≥0.15
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≥0.25
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≤0.06
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0.11
0.16
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Cr
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16.00
18.00
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17.00
19.00
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17.00
19.00
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17.00
19.00
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17.00
19.00
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Ni
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5.00
6.50
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8.00
10.00
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7.00
10.00
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8.00
10.00
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8.00
10.00
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Mo
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—
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—
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—
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—
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0.40
0.60
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Se
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—
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—
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—
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≥0.15
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—
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Cu
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1.75
2.25
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—
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—
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—
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—
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Al
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—
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—
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—
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—
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0.60
1.00
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马氏体 Martensitic
UNS
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S41600
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S41610
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S41623
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S42020
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S44020
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Type
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416
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XM-6
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416Se
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420F
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440F
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C
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≤0.15
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≤0.15
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≤0.15
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0.30
0.40
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0.95
1.20
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Si
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≤1.00
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≤1.00
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≤1.00
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≤1.00
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≤1.00
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Mn
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≤1.25
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1.50
2.50
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≤1.25
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≤1.25
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≤1.25
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P
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≤0.06
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≤0.06
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≤0.06
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≤0.06
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≤0.06
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S
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≥0.15
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≥0.15
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≤0.06
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≥0.15
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≥0.15
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Cr
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12.00
14.00
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12.00
14.00
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12.00
14.00
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12.00
14.00
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16.00
18.00
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Ni
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—
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—
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—
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(≤0.5)
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(≤0.5)
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Se
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—
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—
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≥0.15
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—
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—
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Cu
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—
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—
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—
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(≤0.6)
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(≤0.6)
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铁素体 Ferritic
UNS
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S18200
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S18235
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S41603
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S43020
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S43023
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Type
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XM-34
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—
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—
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430F
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430FSe
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C
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≤0.08
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≤0.025
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≤0.08
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≤0.12
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≤0.12
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Si
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≤1.00
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≤1.00
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≤1.00
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≤1.00
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≤1.00
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Mn
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≤2.50
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≤0.50
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≤1.25
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≤1.25
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≤1.25
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P
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≤0.04
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≤0.03
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≤0.06
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≤0.06
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≤0.06
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S
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≥0.15
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0.15
0.35
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≥0.15
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≥0.15
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≤0.06
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Cr
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17.50
19.50
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17.50
18.50
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12.00
14.00
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16.00
18.00
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16.00
18.00
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Ni
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—
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≤1.00
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—
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—
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—
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Mo
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1.50
2.50
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2.00
2.50
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—
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—
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—
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Se
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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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Ti
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—
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0.30
1.00
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—
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—
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—
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N
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—
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≤0.025注
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—
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—
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—
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〔注:C+N≤0.035〕
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