流體輸送用不銹鋼焊接鋼管的牌號(hào)和化學(xué)成分
牌 號(hào) 化學(xué)成分(質(zhì)量分?jǐn)?shù))(%) C Si № P S Ni Cr 其 他 1Cr18Ni9 ≤0.15 ≤1.00 ≤2.00 ≤0.035 ≤0.030 8.00~10.00 17.00~19.00 0Cr19Ni9 ≤0.08 ≤1.00 ≤2.00 ≤0.035 ≤0.030 8.00~10.50 18.00~20.00 0Cr19Ni11 ≤0.030 ≤1.00 ≤2.00 ≤0.035 ≤0.030 9.00~13.00 18.00~20.00 0Cr25Ni20 ≤0.08 ≤1.50 ≤2.00 ≤0.035 ≤0.030 19.00~22.00 24.00~26.00 0Cr17Ni12Mo2 ≤0.08 ≤1.00 ≤2.00 ≤0.035 ≤0.030 10.00~14.00 16.00~18.00 M0:2.00~3.00 00Cr17Ni14Mo2 ≤0.030 ≤1.00 ≤2.00 ≤0.035 ≤0.030 12.00~15.00 16.00~18.00 M0:2.00~3.00 0Cr18Ni11Ti ≤0.08 ≤1.00 ≤2.00 ≤0.035 ≤0.030 9.00~13.00 17.00~19.00 Ti:≥5×C% (1Cr18Ni9Ti) ≤0.12 ≤1.00 ≤2.00 ≤0.035 ≤0.030 8.00~11.00 17.00~19.00 Ti:5(C%-0.02)~0.80 0Cr18Ni11NB ≤0.08 ≤0.10 ≤2.00 ≤0.035 ≤0.030 9.00~13.00 17.00~19.00 Nb:≥10×C% 00Cr17 ≤0.030 ≤0.75 ≤1.00 ≤0.035 ≤0.030 16.00~19.00 Ti或Nb:0.1~1.00 00Cr18Mo2 ≤0.025 ≤1.00 ≤1.00 ≤0.035 ≤0.030 17.00~20.00 Mo: N:1.75~2.50≤0.025 0Cr13 ≤0.08 ≤1.00 ≤1.00 ≤0.035 ≤0.030 11.50~13.50
(4)力學(xué)性能
流體輸送用不銹鋼焊接鋼管的熱處理制度
牌 號(hào) |
推薦熱處理制度 | |
1Cr18Ni9 |
固溶處理 |
1010~1150℃快冷 |
0Cr19Ni9 |
1010~1150℃快冷 | |
00Cr19Ni11 |
1010~1150℃快冷 | |
0Cr25Ni20 |
1030~1180℃快冷 1010~1150℃快冷 | |
0Cr17Ni12Mo2 | ||
00Cr17Ni14Mo2 |
1010~1150℃快冷 | |
0Cr18Ni11Ti |
920~1150℃快冷 | |
(1Cr18Ni19Ti) |
1000~1080快冷 | |
0Cr18Ni11Nb |
980~1150℃快冷 | |
00Cr17 |
退火處理 |
780~950℃快冷或緩冷 800~1050℃快冷或緩冷 |
00Cr18Mo2 | ||
0Cr13 |
750℃快冷或800-900℃緩冷 |
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