外徑 |
壁厚 | ||||
鋼管尺寸(㎜) |
允許偏差 |
鋼管尺寸(㎜) |
允許偏差 | ||
普通級 |
較高級 |
普通級 |
較高級 | ||
6-10 |
±0.20mm |
±0.15mm |
0.5-1 |
±0.15mm |
±0.12mm |
>10-30 |
±0.30mm |
±0.20mm |
>1-3 |
±14 % |
+12 % 、-10 % |
>30-50 |
±0.40mm |
±0.30mm |
>3 |
+12 % 、-10 % |
±10 % |
>50 |
±0.9 % |
±0.8 % |
|
|
|
牌號 |
抗拉強度(MPa) |
屈服強度 (MPa) |
伸長率(%) |
≥ | |||
0Cr18Ni9 |
520 |
205 |
35 |
0Cr25Ni20 |
520 |
205 |
35 |
0Cr18Ni10Ti |
520 |
205 |
35 |
00Cr17Ni14Mo2 |
480 |
175 |
40 |
0Cr18Ni12Mo2Ti |
530 |
205 |
35 |
1Cr18Ni9Ti |
520 |
205 |
35 |
牌號 |
化學成分 | ||||||||
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
Ti | |
≤ | |||||||||
0Cr18Ni9 |
0.07 |
1 |
2 |
0.035 |
0.3 |
8.00-11.00 |
17.00-19.00 |
/ |
/ |
0Cr25Ni20 |
0.08 |
1 |
2 |
0.035 |
0.03 |
19.00-22.00 |
24.00-26.00 |
/ |
/ |
0Cr18Ni10Ti |
0.08 |
1 |
2 |
0.035 |
0.03 |
9.00-12.00 |
17.00-19.00 |
/ |
>5×C% |
00Cr17Ni14Mo2 |
0.03 |
1 |
2 |
0.035 |
0.03 |
12.00-15.00 |
16.00-18.00 |
2.00-3.00 |
/ |
0Cr18Ni12Mo2Ti |
0.08 |
1 |
2 |
0.035 |
0.03 |
11.00-14.00 |
16.00-19.00 |
1.80-2.50 |
5×C% -0.70 |
1Cr18Ni9Ti |
0.12 |
1 |
2 |
0.035 |
0.03 |
8.00-11.00 |
17.00-19.00 |
/ |
5(C%-0.02)-0 |
鋼種 |
化學成分(%) |
機械性能 | ||||||
C |
Cr |
Ni |
Mo |
其他 |
屈服強度 |
抗拉強度 |
延伸率% | |
301 |
≤0.15 |
16.00-18.00 |
6.00-8.00 |
|
|
≥205 |
≥520 |
≥40 |
301L |
≤0.03 |
16.00-18.00 |
6.00-8.00 |
|
N≤0.20 |
≥215 |
≥550 |
≥45 |
304 |
≤0.08 |
18.00-20.00 |
8.00-10.00 |
|
|
≥205 |
≥520 |
≥40 |
304J1 |
0.02-0.05 |
16.5-17.1 |
7.5-7.9 |
|
Cu:1.9-2.2 |
≥155 |
≥450 |
≥40 |
304L |
≤0.030 |
18.00-20.00 |
9.00-13.00 |
|
|
≥175 |
≥480 |
≥40 |
304N1 |
≤0.08 |
18.00-20.00 |
7.00-10.50 |
|
N:0.10-0.25 |
≥275 |
≥550 |
≥35 |
304N2 |
≤0.08 |
18.00-20.00 |
7.50-10.50 |
|
Nb≤0.15 |
≥345 |
≥690 |
≥35 |
316 |
≤0.08 |
16.00-18.00 |
10.00-14.00 |
2.00-3.00 |
|
≥205 |
≥520 |
≥40 |
316L |
≤0.03 |
16.00-18.00 |
12.00-15.00 |
|
|
≥175 |
≥480 |
≥40 |
321 |
≤0.08 |
17.00-19.00 |
9.00-13.00 |
|
Ti5*C% |
≥205 |
≥520 |
≥40 |
409L |
≤0.03 |
17.0-19.0 |
|
|
Ti6*C%-0.75 |
≥175 |
≥360 |
≥25 |
410 |
≤0.15 |
11.5-13.5 |
|
|
|
≥205 |
≥440 |
≥20 |
410L |
≤0.03 |
11.0-13.5 |
|
|
|
≥175 |
≥360 |
≥22 |
430 |
≤0.12 |
16.0-18.0 |
|
|
|
≥205 |
≥450 |
≥22 |
牌號 |
C |
Si |
Mn |
P≤ |
S≤ |
Ni |
Cr |
Mo |
Cu |
Al |
V |
Nb |
10# |
0.07-0.15 |
0.17-0.37 |
0.35-0.65 |
0.030 |
0.030 |
0.25 |
0.15 |
|
0.25 |
10# |
0.07-0.15 |
0.17-0.37 |
20# |
0.17-0.24 |
0.17-0.35 |
0.35-0.65 |
0.030 |
0.030 |
0.25 |
0.25 |
|
0.20 |
|
|
|
35# |
0.32-0.40 |
0.17-0.35 |
0.50-0.80 |
0.030 |
0.030 |
0.25 |
0.25 |
|
0.20 |
|
|
|
45# |
0.42-0.50 |
0.17-0.35 |
0.50-0.80 |
0.030 |
0.030 |
0.25 |
0.25 |
|
0.20 |
|
|
|
09Mn2 |
0.06-0.12 |
0.17-0.35 |
0.35-0.55 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.25 |
|
|
|
12Mn2 |
0.09-0.16 |
0.17-0.35 |
0.40-0.60 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.25 |
|
|
|
16Mn3 |
0.13-0.20 |
0.17-0.35 |
0.60-0.80 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.25 |
|
|
|
15Mo3 |
0.12-0.20 |
0.17-0.35 |
0.40-0.80 |
0.030 |
0.030 |
0.30 |
0.25 |
0.25-0.35 |
0.25 |
|
|
|
20Mn |
0.17-0.35 |
0.17-0.35 |
1.10-1.60 |
0.030 |
0.030 |
0.30 |
0.25 |
|
0.25 |
|
|
|
20Mn3 |
0.17-0.24 |
0.17-0.35 |
0.60-0.80 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.25 |
|
|
|
X42 |
0.13-0.20 |
0.17-0.35 |
0.80-1.00 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.25 |
0.025 |
|
|
X46 |
0.13-0.20 |
0.17-0.35 |
0.90-1.10 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.25 |
0.025 |
|
|
X52(14MnNb) |
0.11-0.16 |
0.17-0.35 |
1.10-1.45 |
0.015 |
0.010 |
0.30 |
0.30 |
0.15 |
0.25 |
0.025 |
0.04-0.07 |
|
X56(16MnV5) |
0.13-0.20 |
0.17-0.35 |
1.10-1.35 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.25 |
0.025 |
0.07-0.10 |
|
X60(16MnV5/1) |
0.13-0.20 |
0.17-0.35 |
1.10-1.35 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.25 |
0.025 |
0.10-0.14 |
|
X70(15MnNb6) |
0.12-0.18 |
0.17-0.35 |
1.40-1.60 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.20 |
0.025 |
0.04-0.06 |
|
X80 |
0.12-0.18 |
0.17-0.35 |
1.40-1.60 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.20 |
0.025 |
0.04-0.06 |
|
X100 |
0.12-0.18 |
0.17-0.35 |
1.40-1.60 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.20 |
0.025 |
0.04-0.06 |
|
Q195B |
0.06-0.12 |
0.30 |
0.25-0.50 |
0.035 |
0.035 |
|
|
|
|
|
|
|
Q215B |
0.09-0.15 |
0.30 |
0.25-0.55 |
0.035 |
0.035 |
|
|
|
|
|
|
|
Q235A |
0.14-0.22 |
0.30 |
0.30-0.65 |
0.045 |
0.050 |
|
|
|
|
|
|
|
Q235B |
0.12-0.22 |
0.30 |
0.30-0.70 |
0.045 |
0.045 |
|
|
|
|
|
|
|
Q235C |
≤0.18 |
0.30 |
0.30-0.65 |
0.040 |
0.040 |
|
|
|
|
|
|
|
Q235D |
≤0.17 |
0.30 |
0.30-0.65 |
0.035 |
0.035 |
|
|
|
|
|
|
|
Q255B |
0.18-0.28 |
0.30 |
0.40-0.70 |
0.045 |
0.045 |
|
|
|
|
|
|
|
Q275 |
0.28-0.38 |
0.35 |
0.50-0.80 |
0.035 |
0.035 |
|
|
|
|
|
|
|
Q345B
(16Mn) |
≤0.20 |
≤0.55 |
1.00-1.60 |
0.035 |
0.035 |
|
|
|
|
≥0.015 |
0.02-0.15 |
Nb:0.015-0.025
Ti:0.02-0.20 |
Q460C |
≤0.20 |
≤0.55 |
1.00-1.70 |
0.035 |
0.035 |
≤0.7 |
≤0.7 |
|
|
0.015 |
0.02-0.20 |
|
27SiMn |
0.24-0.32 |
1.10-1.40 |
1.10-1.40 |
0.030 |
0.030 |
0.30 |
0.30 |
|
0.30 |
|
|
|
20CrMo4 |
0.18-0.23 |
0.17-0.35 |
0.60-0.85 |
0.030 |
0.030 |
0.25 |
0.90-1.20 |
0.15-0.30 |
0.30 |
|
|
|
20Cr |
0.18-0.24 |
0.17-0.37 |
0.05-0.80 |
0.030 |
0.030 |
|
0.70-1.00 |
|
|
|
|
|
30Cr |
0.27-0.34 |
0.17-35 |
0.50-0.80 |
0.030 |
0.030 |
0.30 |
0.70-1.00 |
|
0.25 |
|
|
|
35Cr |
0.32-0.39 |
0.17-0.35 |
0.50-0.80 |
0.030 |
0.030 |
0.30 |
0.80-1.10 |
|
0.25 |
|
|
|
40Cr |
0.37-0.44 |
0.17-0.35 |
0.50-0.80 |
0.030 |
0.030 |
0.30 |
0.80-1.10 |
|
0.25 |
|
|
|
45Cr |
0.42-0.49 |
0.17-0.35 |
0.50-0.80 |
0.030 |
0.030 |
0.30 |
0.80-1.10 |
|
0.25 |
|
|
|
10CrMo910 |
0.08-0.15 |
≤0.50 |
0.40-0.70 |
0.030 |
0.030 |
0.30 |
2.00-2.50 |
0.90-1.20 |
0.20 |
|
0.15-0.30 |
|
12CrMo |
0.08-0.15 |
0.17-0.35 |
0.40-0.70 |
0.030 |
0.030 |
0.30 |
0.80-1.10 |
0.40-0.55 |
0.25 |
|
|
|
12Cr2Mo |
0.08-0.15 |
≤0.50 |
0.40-0.70 |
0.030 |
0.030 |
0.30 |
2.00-2.50 |
0.90-1.20 |
0.20 |
|
0.15-0.30 |
|
13CrMo44 |
0.10-0.18 |
0.17-0.35 |
0.40-0.70 |
0.030 |
0.030 |
0.25 |
0.25 |
|
0.25 |
|
|
|
15CrMo |
0.12-0.18 |
0.17-0.35 |
0.40-0.70 |
0.030 |
0.030 |
0.30 |
0.80-1.10 |
|
0.25 |
|
|
|
20CrMo |
0.17-0.24 |
0.17-37 |
0.40-0.70 |
0.035 |
0.035 |
0.30 |
0.80-1.10 |
0.15-0.25 |
|
|
|
|