工艺综述
外径 * 壁厚 /mm |
10.3x0.15 12.4x0.20 15.4x0.20 18.4x0.20 20.4x0.20
24.4x0.20 26.4x0.20 32.4x0.20 35 .0x0.50 40.4x0.20
40.6x0.30 41.0x0.50 41.2x0.60 48.0x0.25 50.5x0.25
53.2x0.60 55.0x0.50 59.6x0.30 60.0x0.25 60.0x0.50
61.0x0.35 61.0x0.50 61.2x0.60 67.6x0.30 67.8x0.40
70.2x0.60 74.0x0.50 75.5x0.25 75.6x0.30 82.8x0.40
83.0x0.50 89.6x0.30 89.8x0.40 90.2x0.40 90.5x0.25
90.7x0.30 90.8x0.40 95.6x0.30 101.0x0.50 102.6x0.30
110.9x0.45 125.7x0.35 150.8x0.40 250.8x0.40 |
直径 /mm |
普通级 /mm |
高级 /mm |
10~250 |
+0.05
-0.10 |
±0.05 |
钢管尺寸 /mm |
壁厚允许偏差 /mm | ||
外径 |
壁厚 |
普通级 |
高级 |
≤ 60 |
≤ 0.20 |
± 0.03 |
+0.03
- 0.01 |
0.25 |
+ 0.04
- 0.03 |
+ 0.03
- 0.02 | |
0.30 |
± 0.04 |
± 0.03 | |
0.35 |
+ 0.05
- 0.04 |
+ 0.04
- 0.03 | |
≤ 60 |
0.40 |
± 0.05 |
± 0.04 |
0.50 |
± 0.06 |
+ 0.05
- 0.04 | |
0.60 |
± 0.08 |
± 0.05 | |
> 60 |
≤ 0.25 |
± 0.04 |
± 0.03 |
0.30 |
± 0.04 |
+ 0.04
- 0.03 | |
0.35 |
± 0.05 |
± 0.04 | |
0.40 |
± 0.05 |
+ 0.05
- 0.04 | |
0.50 |
± 0.06 |
± 0.05 | |
0.60 |
± 0.08 |
± 0.05 |
牌号 |
化学成分(质量分数)(%) |
| ||||||||
C |
SI |
Mn |
S |
P |
Cr |
Ni |
Ti |
Mo | ||
00Cr18Ni10 |
≤0.03 |
≤1.00 |
≤2.00 |
≤0.030 |
≤0.035 |
17~19 |
8~12 |
- |
- | |
1Cr18Ni9Ti |
≤0.12 |
≤1.00 |
≤2.00 |
≤0.030 |
≤0.035 |
17~19 |
8~11 |
5(C%~0.02)~0.08 |
- | |
00Cr17Ni14Mo2 |
≤0.03 |
≤1.00 |
≤2.00 |
≤0.030 |
≤0.035 |
16~18 |
12~16 |
- |
1.8~2.5 | |
1Cr18Ni12Mo2Ti |
≤0.12 |
≤1.00 |
≤2.00 |
≤0.030 |
≤0.035 |
16~19 |
11~14 |
5(C%~0.02)~0.08 |
1.8~2.5 | |
1Cr18Ni12Mo3Ti |
≤0.12 |
≤1.00 |
≤2.00 |
≤0.030 |
≤0.035 |
16~19 |
11~14 |
5(C%~0.02)~0.08 |
2.5~3.5 | |
|
|
|
|
|
|
|
|
|
|
|
牌号 |
力学性能 ≥ |
化学性能 | |
Σb/MPa |
δ5(%) | ||
00Cr18Ni10 |
440 |
40 |
钢管应按T法进行晶间腐蚀倾向试验。试验结果不得有晶间腐蚀倾向。 |
1Cr18Ni9Ti |
550 |
40 |
|
00Cr17Ni14Mo |
480 |
40 |
|
1Cr18Ni12Mo2TI |
540 |
35 | |
1Cr18Ni12Mo3TI |
540 |
35 |
全部0条评论
快来发表一下你的评论吧 !