标准:
GB3087 —— 中国国家标准
GB5310 —— 中国国家标准
ASME SA210 —— 美国锅炉及压力容器规范
ASME SA213 —— 美国锅炉及压力容器规范
DIN17175 —— 联邦德国工业标准
用途:
用于低中压锅炉(工作压力一般不大于5.88Mpa,工作温度在450℃以下)的受热面管子;用于高压锅炉(工作压力一般在9.8Mpa以上,工作温度在450℃~650℃之间)的受热面管子、省煤器、过热器、再热器、石化工业用管等。
主要生产钢管牌号:
10、20、20G、20MnG、25MnG、15CrMoG、12Cr2MoG、12Cr1MoVG、12Cr2MoWVTiB、10Cr9Mo1VNb、SA210A1、SA210C、SA213 T11、SA213 T12、SA213 T22、SA213 T23、SA213 T91、SA213 T92、ST45.8/Ⅲ、15Mo3、13CrMo44、10CrMo910等
尺寸公差:
钢管种类 |
外径(D) |
壁厚(S) |
冷拔管 |
钢管外径(mm) |
允许偏差(mm) |
钢管壁厚(mm) |
允许偏差(mm) |
>30~50 |
±0.3 |
>3~20 |
±10% |
力学性能:
标准 |
牌号 |
抗拉强度(MPa) |
屈服强度(MPa) |
伸长率(%) |
硬度 |
GB3087 |
10 |
335~475 |
≥195 |
≥24 |
/ |
20 |
410~550 |
≥245 |
≥20 |
/ |
GB5310 |
20G |
410~550 |
≥245 |
≥24 |
/ |
20MnG |
≥415 |
≥240 |
≥22 |
/ |
25MnG |
≥485 |
≥275 |
≥20 |
/ |
15CrMoG |
440~640 |
≥235 |
≥21 |
/ |
12Cr2MoG |
450~600 |
≥280 |
≥20 |
/ |
12Cr1MoVG |
470~640 |
≥255 |
≥21 |
/ |
12Cr2MoWVTiB |
540~735 |
≥345 |
≥18 |
/ |
10Cr9Mo1VNb |
≥585 |
≥415 |
≥20 |
/ |
ASME SA210 |
SA210A-1 |
≥415 |
≥255 |
≥30 |
≤143HB |
SA210C |
≥485 |
≥275 |
≥30 |
≤179HB |
ASME SA213 |
SA213 T11 |
≥415 |
≥205 |
≥30 |
≤163HB |
SA213 T12 |
≥415 |
≥220 |
≥30 |
≤163HB |
SA213 T22 |
≥415 |
≥205 |
≥30 |
≤163HB |
SA213 T23 |
≥510 |
≥400 |
≥20 |
≤220HB |
SA213 T91 |
≥585 |
≥415 |
≥20 |
≤250HB |
SA213 T92 |
≥620 |
≥440 |
≥20 |
≤250HB |
DIN17175 |
ST45.8/Ⅲ |
410~530 |
≥255 |
≥21 |
/ |
15Mo3 |
450~600 |
≥270 |
≥22 |
/ |
13CrMo44 |
440~590 |
≥290 |
≥22 |
/ |
10CrMo910 |
480~630 |
≥280 |
≥20 |
/ |
化学成分:
标准 |
牌号 |
化学成分(%) |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
Ni |
V |
Al |
W |
Ti |
Nb |
N |
GB3087 |
10 |
0.07~0.13 |
0.17~0.37 |
0.38~0.65 |
≤0.030 |
≤0.030 |
0.3~0.65 |
/ |
≤0.25 |
≤0.30 |
/ |
/ |
|
|
|
|
20 |
0.17~0.23 |
0.17~0.37 |
0.38~0.65 |
≤0.030 |
≤0.030 |
0.3~0.65 |
/ |
≤0.25 |
≤0.30 |
/ |
/ |
|
|
|
|
GB5310 |
20G |
0.17~0.24 |
0.17~0.37 |
0.35~0.65 |
≤0.030 |
≤0.030 |
≤0.25 |
≤0.15 |
≤0.20 |
≤0.25 |
≤0.08 |
|
|
|
|
|
20MnG |
0.17~0.24 |
0.17~0.37 |
0.70~1.00 |
≤0.030 |
≤0.030 |
≤0.25 |
≤0.15 |
≤0.20 |
≤0.25 |
≤0.08 |
|
|
|
|
|
25MnG |
0.18~0.24 |
0.17~0.37 |
0.80~1.10 |
≤0.030 |
≤0.030 |
≤0.25 |
≤0.15 |
≤0.20 |
≤0.25 |
≤0.08 |
|
|
|
|
|
15CrMo |
0.12~0.18 |
0.17~0.37 |
0.40~0.70 |
≤0.030 |
≤0.030 |
0.80~1.10 |
0.40~0.55 |
≤0.20 |
≤0.30 |
|
|
|
|
|
|
12Cr2MoG |
0.08~0.15 |
≤0.50 |
0.40~0.70 |
≤0.030 |
≤0.030 |
2.00~2.50 |
0.90~1.20 |
≤0.20 |
≤0.30 |
|
|
|
|
|
|
12Cr1MoV |
0.08~0.15 |
0.17~0.37 |
0.40~0.70 |
≤0.030 |
≤0.030 |
0.90~1.20 |
0.25~0.35 |
≤0.20 |
≤0.30 |
0.15~0.30 |
|
|
|
|
|
12Cr2MoWVTiB |
0.08~0.15 |
0.45~0.75 |
0.45~0.65 |
≤0.030 |
≤0.030 |
1.60~2.10 |
0.50~0.65 |
≤0.20 |
≤0.30 |
0.28~0.42 |
|
0.30~0.55 |
0.08~0.15 |
B 0.002~0.008 |
|
10Cr9Mo1VNb |
0.08~0.12 |
0.20~0.50 |
0.30~0.60 |
≤0.020 |
≤0.010 |
8.00~9.50 |
0.85~1.05 |
≤0.20 |
≤0.40 |
0.18~0.25 |
≤0.015 |
|
|
0.06~0.10 |
0.03~0.07 |
ASME SA210 |
SA210A-1 |
0.13~0.19 |
≥0.1 |
0.45~0.65 |
≤0.030 |
≤0.030 |
|
|
|
|
|
|
|
|
|
|
SA210C |
0.18~0.24 |
≥0.1 |
0.80~1.10 |
≤0.030 |
≤0.030 |
|
|
|
|
|
|
|
|
|
|
ASME SA213 |
SA213 T11 |
0.05~0.15 |
0.50~1.0 |
0.30~0.60 |
≤0.030 |
≤0.030 |
1.00~1.50 |
0.50~1.00 |
|
|
|
|
|
|
|
|
SA213 T12 |
0.05~0.15 |
≤0.50 |
0.30~0.61 |
≤0.030 |
≤0.030 |
0.80~1.25 |
0.44~0.65 |
|
|
|
|
|
|
|
|
SA213 T22 |
0.05~0.15 |
≤0.50 |
0.30~0.60 |
≤0.030 |
≤0.010 |
1.90~2.60 |
0.87~1.13 |
|
|
|
|
|
|
|
|
SA213 T23 |
0.04~0.10 |
≤0.50 |
0.10~0.60 |
≤0.030 |
≤0.030 |
1.90~2.60 |
0.05~0.30 |
|
|
|
≤0.030 |
1.45~1.75 |
B 0.0005~0.006 |
0.02~0.08 |
≤0.040 |
SA213 T91 |
0.08~0.12 |
0.20~0.50 |
0.30~0.60 |
≤0.020 |
≤0.010 |
8.00~9.50 |
0.85~1.05 |
|
≤0.40 |
0.18~0.25 |
≤0.015 |
|
|
0.06~0.10 |
0.03~0.07 |
SA213 T92 |
0.07~0.13 |
≤0.50 |
0.30~0.60 |
≤0.020 |
≤0.010 |
8.50~9.50 |
0.30~0.60 |
|
≤0.40 |
0.15~0.25 |
≤0.015 |
1.50~2.00 |
B 0.001~0.006 |
0.04~0.09 |
0.03~0.07 |
DIN 17175 |
ST45.8/Ⅲ |
≤0.21 |
0.10~0.35 |
0.40~1.20 |
≤0.040 |
≤0.040 |
|
|
|
|
|
|
|
|
|
|
15Mo3 |
0.12~0.20 |
0.10~0.35 |
0.40~0.80 |
≤0.035 |
≤0.035 |
|
0.25~0.35 |
|
|
|
|
|
|
|
|
13CrMo44 |
0.10~0.18 |
0.10~0.35 |
0.40~0.70 |
≤0.035 |
≤0.035 |
0.70~1.10 |
0.45~0.65 |
|
|
|
|
|
|
|
|
10CrMo910 |
0.08~0.15 |
≤0.50 |
0.30~0.70 |
≤0.025 |
≤0.020 |
2.00~2.50 |
0.90~1.10 |
≤0 |