ASTM A556 Gr.C2 Cold rolled seamless carbon steel tube
Standards:
GB3087 Chinese national standard
GB5310 Chinese national standard
ASME SA210 Boiler and pressure vessel code of ASME
ASME SA213 Boiler and pressure vessel code of ASME
DINl7175 Deutsches industrial standard~
Application:
Used as the pipes on the heated side of low and medium pressure boilers(normally with operating pressure not higher than 5.88Mpa and
operating temperature below 450 oc);as the pipes on the heated sides of high·pressure boilers,economizers,overheaters,reheaters and pipes
for petrochemical industry(with the operating pressure above 9.8Mpa and operating temperature ranging between 450~C~650~C1
Specifications of ma}or steel:
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,15Mo3,13CrMo44,10CrMo910etc.
Diamensional tolerances:
| Types of steel tubes |
Outer diameters |
Wall thickness |
| Cold-rolled tubes |
Tube sizes(mm) |
Tolerances(mm) |
Tube sizes (mm) |
Tolerances(mm) |
| >30~50 |
±0.3 |
>3~20 |
±10% |
Mechanical properties:
| Standard codes |
Models of steel tubes |
Tensite strength(MPa) |
Yield strength(MPa) |
Elongation(%) |
Hardness |
| 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 |
/ |
Chemical composition:
| Standard codes |
Models of steel tubes |
Chemical compositions(%) |
| 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 |
B0.0005~0.006 |
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Our factory has more than 10 sets Cold Rolling production lines for producing full range sizes of cold rolled seamless pipes by ASTM, ASME, DIN, GB/T standard. As professional manufacturer of Cold rolled steel pipes, we specialize in this kind of products since 2006.
Our company has professional teams for operating the orders for our foreign customers. we provide the best seaworthy packing and professional shipment services.
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