名 稱 | 說 明 |
鋼管外徑和壁厚尺寸規格 | 外徑和壁厚按表6-110的規定(壁厚0.3mm、0.4mm不適用GB/T12770---1991) |
鋼管尺寸答應偏差 | 外徑和壁 厚答應偏差按表6-111的規定 |
牌 號 | 化學成分(質量分數)(%) | |||||||
C | Si | Mn | P | S | Ni | Cr | 其 他 | |
00crl9Nill | ≤0.030 | ≤1.00 | ≤2.00 | ≤O.035 | ≤0.030 | 9.00~ 13.00 | 18.00~ 20.00 | |
00Cr17Ni14Mo2 | ≤0.030 | ≤1.00 | ≤2.00 | ≤O.035 | ≤O.030 | 12.00~ 15.00 | 16.00~ 18.00 | M02.00~3.00 |
0Crl9Ni9 | ≤O.08 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.030 | 8.00~ 10.00 | 18.00~ 20.00 | |
1Crl8Ni9 | ≤O.15 | ≤1.00 | ≤2.00 | ≤O.035 | ≤0.030 | 8.00~ lO.00 | 17.00~ 19.00 | |
(1Crl8Ni9Ti) | ≤0.12 | ≤1.00 | ≤2.00 | ≤O.035 | ≤O.030 | 8.00~ 11.00 | 17.oo~ 19.00 | Ti5(C%一O.02) ~O.80 |
OCrl7Nil2M02 | ≤O.08 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.030 | 10.00~ 14.00 | 16.00~ 18.00 | M02.00~3.00 |
OCrl8Ni11NB | ≤O.08 | ≤1.00 | ≤2.00 | ≤O.035 | ≤0.030 | 9.00~ 13.oo | 17.00~ 19.00 | Nb≥10×C% |
0Cr25Ni20 | ≤O.08 | ≤1.50 | ≤2.00 | ≤O.035 | ≤0.030 | 19.00~ 22.00 | 24.00~ 26.00 | |
lCrl7 | ≤O.12 | ≤O.75 | ≤1.00 | ≤O.035 | ≤0.030 | 16.00~ 19.00 | Ti或 nbo.10~1.00 | |
1Cr15 | ≤0.12 | ≤1.00 | ≤1.00 | ≤O.035 | ≤O.030 | 16.00~ 18.00 | ||
0Cr13 | ≤0.08 | ≤1.00 | ≤1.00 | ≤O.035 | ≤O.030 | 11.50~ 13.50 | ||
1Crl3 | ≤O.15 | ≤1.00 | ≤1.00 | ≤0.035 | ≤O.030 | 11.50~ 13.50 |
序 號 | 牌 號 | 推薦熱處理制度 | |
l | 00Crl9Nill | 固溶處理 | 1010~1150℃快冷 |
2 | 00Crl7Ni14M02 | 1010~1150℃快冷 | |
3 | 0Crl9Ni9 | 1010~1150℃快冷 | |
4 | 1Crl8Ni9 | 1010~1150℃快冷 | |
5 | (1Cr18Ni9Ti) | 1000~1080℃快冷 | |
6 | OCrl7Ni12Mo2 | 1010~1150℃快冷 | |
7 | OCrl8NillNb | 980~1150℃快冷 | |
8 | OCr25Ni20 | 1030~1180℃快冷 | |
9 | lCrl7 | 退火處理 | 780~850℃快冷或緩冷 |
10 | 1Cr15 | 780~850℃快冷或緩冷 | |
11 | OCrl3 | 約750℃快冷或800~900℃緩冷 | |
12 | 1Crr13 | 約750℃快冷或800~900℃緩冷 |
牌 號 | 力學性能 | ||||||
焊後經熱處理 | 焊接態 | ||||||
抗拉強度ób/MPa≥ | 屈服強度ó0.2/MPa≥ | 伸長率δ5(%)≥ | 抗拉強度ób/MPa≥ | 屈服強度ó0.2/MPa≥ | 伸長率δ5(%)≥ | ||
奧氏 體型 | 00Crl9Ni11 | 480 | 180 | 35 | 480 | 180 | 25 |
00Crl7Nil4M02 | |||||||
0Crl9Ni9 | 520 | 210 | 520 | 210 | |||
1Crl8Ni9 | |||||||
(1Crl8Ni9Ti) | |||||||
0Crl7Nil2M02 | |||||||
0Crl8NillNb | |||||||
0Cr25Ni20 | |||||||
鐵素 體型 | 1Crl7 | 410 | 210 | 20 | 按雙方協定 | ||
1Crl5 | |||||||
馬氏 體型 | 0Crl3 | 410 | 210 | 20 | |||
1Crl3 |