GB 5310 高压锅炉用无缝钢管的理化性能表
GB 5310 高压锅炉用无缝钢管的理化性能表
化学成分要求:
钢类 |
牌号 |
化学成份(质量分数)% |
|||||||||||||||
C |
Si |
Mn |
Cr |
Mo |
V |
Ti |
B |
Ni |
Alt |
Cu |
Nb |
N |
W |
P |
S |
||
不大于 |
|||||||||||||||||
优质碳素结构钢 |
20G |
0.17-0.23 |
0.17-0.37 |
0.35-0.65 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
0.025 |
0.015 |
20MnG |
0.17-0.23 |
0.17-0.37 |
0.70-1.00 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
0.025 |
0.015 |
|
25MnG |
0.22-0.27 |
0.17-0.37 |
0.70-1.00 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
0.025 |
0.015 |
|
合金结构钢 |
15MoG |
0.12-0.20 |
0.17-0.37 |
0.40-0.80 |
— |
0.25-0.35 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
0.025 |
0.015 |
20 MoG |
0.15-0.25 |
0.17-0.37 |
0.40-0.80 |
— |
0.44-0.65 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
0.025 |
0.015 |
|
12CrMoG |
0.08-0.15 |
0.17-0.37 |
0.40-0.70 |
0.40-0.70 |
0.40-0.55 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
0.025 |
0.015 |
|
15CrMoG |
0.12-0.18 |
0.17-0.37 |
0.40-0.70 |
0.80-1.10 |
0.40-0.55 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
0.025 |
0.015 |
|
12Cr2MoG |
0.08-0.15 |
≤0.50 |
0.40-0.60 |
2.00-2.50 |
0.90-1.13 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
0.025 |
0.015 |
|
12Cr1MoVG |
0.08-0.15 |
0.17-0.37 |
0.40-0.70 |
0.90-1.20 |
0.25-0.35 |
0.15-0.30 |
— |
— |
— |
— |
— |
— |
— |
— |
0.025 |
0.01 |
|
12Cr2MoWVTiB |
0.08-0.15 |
0.45-0.75 |
0.45-0.65 |
1.60-2.10 |
0.50-0.65 |
0.28-0.42 |
0.08-0.18 |
0.0020-0.0080 |
— |
— |
— |
— |
— |
0.30-0.55 |
0.025 |
0.015 |
|
07Cr2MoW2VNbB |
0.04-0.10 |
≤0.50 |
0.10-0.60 |
1.90-2.60 |
0.05-0.30 |
0.20-0.30 |
— |
0.0005-0.0060 |
— |
≤0.030 |
— |
0.02-0.08 |
≤0.030 |
1.45-1.75 |
0.025 |
0.01 |
|
12Cr3MoVSiTiB |
0.09-0.15 |
0.60-0.90 |
0.50-0.80 |
2.50-3.00 |
1.00-1.20 |
0.25-0.35 |
0.22-0.38 |
0.0050-0.0110 |
— |
— |
— |
— |
— |
— |
0.025 |
0.015 |
|
15Ni1MnMoNbCu |
1.10-0.17 |
0.25-0.50 |
0.80-1.20 |
— |
0.25-0.50 |
— |
— |
— |
1.00-1.30 |
≤0.050 |
0.50-0.80 |
0.015-0.045 |
≤0.020 |
— |
0.025 |
0.015 |
|
10Cr9Mo1VNbN |
0.08-0.12 |
0.20-0.50 |
0.30-0.60 |
8.00-9.50 |
0.85-1.05 |
0.18-0.25 |
— |
— |
≤0.40 |
≤0.020 |
— |
0.06-0.10 |
0.030-0.070 |
— |
0.02 |
0.01 |
|
10Cr9MoW2VNbBN |
0.07-0.13 |
≤0.50 |
0.30-0.60 |
8.00-9.50 |
0.30-0.60 |
0.15-0.25 |
— |
0.0010-0.0060 |
≤0.40 |
≤0.020 |
— |
0.04-0.09 |
0.030-0.070 |
1.50-2.00 |
0.02 |
0.01 |
|
10Cr11MoW2VNbCu1BN |
0.07-0.14 |
≤0.50 |
≤0.70 |
10.00-11.50 |
0.25-0.60 |
0.15-0.30 |
— |
0.0005-0.0050 |
≤0.50 |
≤0.020 |
0.30-1.70 |
0.04-0.10 |
0.040-0.100 |
1.50-2.50 |
0.02 |
0.01 |
|
11Cr9Mo1W1VNbBN |
0.09-0.13 |
0.10-0.50 |
0.30-0.60 |
8.00-9.50 |
0.90-1.10 |
0.18-0.25 |
— |
0.0003-0.0060 |
≤0.40 |
≤0.020 |
— |
0.06-0.10 |
0.040-0.090 |
0.90-1.10 |
0.02 |
0.01 |
|
不锈(耐热)钢 |
07Cr19Ni10 |
0.04-0.10 |
≤0.75 |
≤2.00 |
18.00-20.00 |
— |
— |
— |
— |
8.00-11.00 |
— |
— |
— |
— |
— |
0.03 |
0.015 |
10Cr18Ni9NbCu3BN |
0.07-0.13 |
≤0.30 |
≤1.00 |
17.00-19.00 |
— |
— |
— |
0.0010-0.010 |
7.50-10.50 |
0.003-0.030 |
2.50-3.50 |
0.30-0.60 |
0.050-0.120 |
— |
0.03 |
0.01 |
|
07Cr25Ni11NbN |
0.04-0.10 |
≤0.75 |
≤2.00 |
24.00-26.00 |
— |
— |
— |
— |
19.00-22.00 |
— |
— |
0.20-0.60 |
0.150-0.350 |
— |
0.03 |
0.015 |
|
07Cr19Ni11Ti |
0.04-0.10 |
≤0.75 |
≤2.00 |
17.00-20.00 |
— |
— |
4C-0.60 |
— |
9.00-13.00 |
— |
— |
— |
— |
— |
0.03 |
0.015 |
|
07Cr18 Ni11Nb |
0.04-0.10 |
≤0.75 |
≤2.00 |
17.00-19.00 |
— |
— |
— |
— |
9.00-13.00 |
— |
— |
8C-1.10 |
— |
— |
0.03 |
0.015 |
|
08Cr18Ni11NbFG |
0.06-0.10 |
≤0.75 |
≤2.00 |
17.00-19.00 |
— |
— |
— |
— |
9.00-12.00 |
— |
— |
8C-1.10 |
— |
— |
0.03 |
0.015 |
注1:Alt指全铝含量。
注2:牌号08Cr18Ni11NbFG中的“FG”表示细晶粒。
a 除非冶炼需要,未经需方同意,不允许在钢中有意添加本表中未提及的元素。制造厂应采取所有恰当的措施,以防止废钢和生产过程中所使用的其他材料把会削弱钢材力学性能及适用性的元素带入钢中。
b 20G钢中Alt不大于0.015%,不作交货要求,但应填入质量证明书中。
室温力学性能要求:
序号 |
牌号 |
拉伸性能 |
冲击吸收能量(KV2)/J |
硬度 |
||||||
抗拉强度Rm/MPa |
下区服强度或规定非比例延伸强度Rel或Rp0.2/MPa |
断后伸长率A/% |
纵向 |
横向 |
HBW |
HV |
HRC或HRB |
|||
纵向 |
横向 |
|||||||||
|
不小于 |
不大于 |
||||||||
1 |
20G |
410-550 |
245 |
24 |
22 |
40 |
27 |
- |
- |
- |
2 |
20MnG |
415-560 |
240 |
22 |
20 |
40 |
27 |
- |
- |
- |
3 |
25MnG |
485-640 |
275 |
20 |
18 |
40 |
27 |
- |
- |
- |
4 |
15MoG |
450-600 |
270 |
22 |
20 |
40 |
27 |
- |
- |
- |
5 |
20MoG |
415-665 |
220 |
22 |
20 |
40 |
27 |
- |
- |
- |
6 |
12CrMoG |
410-560 |
205 |
21 |
19 |
40 |
27 |
- |
- |
- |
7 |
15CrMoG |
440-640 |
295 |
21 |
19 |
40 |
27 |
- |
- |
- |
8 |
12Cr2MoG |
450-600 |
280 |
22 |
20 |
40 |
27 |
- |
- |
- |
9 |
12Cr1MoVG |
470-640 |
255 |
21 |
19 |
40 |
27 |
- |
- |
- |
10 |
12Cr2MoWVTiB |
540-735 |
345 |
18 |
- |
40 |
- |
- |
- |
- |
11 |
07Cr2MoW2VNbB |
≥510 |
400 |
22 |
18 |
40 |
27 |
220 |
230 |
97HRB |
12 |
12Cr3MoVSiTiB |
610-805 |
440 |
16 |
- |
40 |
- |
- |
- |
- |
13 |
15NI1MnMoNbBN |
620-780 |
440 |
19 |
17 |
40 |
27 |
- |
- |
- |
14 |
10Cr9Mo1VNbN |
≥585 |
415 |
20 |
16 |
40 |
27 |
250 |
265 |
25HRC |
15 |
10Cr9MoW2VNbBN |
≥620 |
440 |
20 |
16 |
40 |
27 |
250 |
265 |
25HRC |
16 |
10Cr11MoW2VNbCu1BN |
≥620 |
400 |
20 |
16 |
40 |
27 |
250 |
265 |
25HRC |
17 |
11Cr9Mo1W1VNbBN |
≥620 |
440 |
20 |
16 |
40 |
27 |
238 |
250 |
23HRC |
18 |
07Cr19Ni10 |
≥515 |
205 |
35 |
- |
- |
- |
192 |
200 |
90HRB |
19 |
10Cr18Ni9NBCU3BN |
≥590 |
235 |
35 |
- |
- |
- |
219 |
230 |
95HRB |
20 |
07Cr25Ni21NbN |
≥655 |
295 |
30 |
- |
- |
- |
256 |
- |
100HRB |
21 |
07Cr19Ni11Ti |
≥515 |
205 |
35 |
- |
- |
- |
192 |
200 |
90HRB |
22 |
07Cr18Ni11Nb |
≥520 |
205 |
35 |
- |
- |
- |
192 |
200 |
90HRB |
23 |
08Cr18Ni11NbFG |
≥550 |
205 |
35 |
- |
- |
- |
192 |
200 |
90HRB |
(以上由河北广浩管件有限公司整理,使用请查阅原标准。)