GB/T8162 Seamless Steel Pipe
Classification :
GB/T8162 Seamless Steel Pipe Description
Seamless steel pipe for general structure (GB/T8162-2008) is a seamless steel pipe for general structure and mechanical structure.
Product Parameters
Product Name | GB/T8162 Seamless Steel Pipe | |
Standard | EN/DIN/JIS/ASTM/BS/ASME/AISI etc. | |
Outer Diameter | Seamless: 1/4"-36" | Welding: 21.3mm-3620mm |
Round Tube: 1/2"-10" | Square Tube/Rectangular Tube: 15x15mm-400x600mm | |
Wall Thickness | Seamless: 1.25mm-50mm | Welding: 1.65mm-65mm |
Length | 3-12 meters, Support customization | |
Surface Process | Bright, Polished, Black | |
Other Services | Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc. |
Chemical Composition
Grade | C | Si | Mn | P, S | Cu | Ni | Mo | Cr |
10 | 0.07~0.14 | 0.17~0.37 | 0.35~0.65 | ≤ 0.035 | ≤0.25 | ≤0.25 | / | ≤ 0.15 |
20 | 0.17~0.24 | 0.17~0.37 | 0.35~0.65 | ≤ 0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 |
35 | 0.32~0.40 | 0.17~0.37 | 0.50~0.80 | ≤ 0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 |
45 | 0.42~0.50 | 0.17~0.37 | 0.50~0.80 | ≤ 0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 |
16Mn | 0.12~0.20 | 0.20~0.55 | 1.20~1.60 | ≤ 0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 |
12CrMo | 0.08~0.15 | 0.17~0.37 | 0.40~0.70 | ≤ 0.035 | ≤0.25 | ≤0.30 | 0.40~0.55 | 0.40~0.70 |
15CrMo | 0.12~0.18 | 0.17~0.37 | 0.40~0.70 | ≤ 0.035 | ≤0.25 | ≤0.30 | 0.40~0.55 | 0.80~1.10 |
12Cr1MoV | 0.08~0.15 | 0.17~0.37 | 0.40~0.70 | ≤ 0.035 | ≤0.25 | ≤0.30 | 0.25~0.35 | 0.90~1.20 |
Mechanical Properties
Grade | Tensile Strength(MPa) | Yield Strength(MPa) | Elongation(%) |
10 | ≥ 335 | ≥ 205 | ≥ 24 |
20 | ≥ 390 | ≥ 245 | ≥ 20 |
35 | ≥ 510 | ≥ 305 | ≥ 17 |
45 | ≥ 590 | ≥ 335 | ≥ 14 |
16Mn | ≥ 490 | ≥ 325 | ≥ 21 |
12CrMo | ≥ 410 | ≥ 265 | ≥ 24 |
15CrMo | ≥ 440 | ≥ 295 | ≥ 22 |
12Cr1MoV | ≥ 490 | ≥ 245 | ≥ 22 |
Scope of Application
Seamless steel tubes for the manufacture of pipes, vessels, equipment, fittings and mechanical structures
USA | Japan | Germany | U.K. |
|
France | Italy | Spain | Switzerland | China | |
AISI/SAE |
JIS |
W‐nr. |
DIN |
BS |
EN |
AFNOR |
UNI |
UNE |
SS |
GB |
A570.36 |
STKM 12A |
1.0038 |
RSt.37‐2 |
4360 |
‐ |
E 24‐2 |
‐ |
‐ |
1311 |
15 |
- |
STKM 12C |
- |
- |
40 C |
- |
Ne |
- |
- |
- |
- |
1015 |
‐ |
1.0401 |
C15 |
080M15 |
‐ |
CC12 |
C15, C16 |
F.111 |
1350 |
15 |
1020 |
‐ |
1.0402 |
C22 |
050A20 |
2C |
CC20 |
C20, C21 |
F.112 |
1450 |
20 |
1213 |
SUM22 |
1.0715 |
9SMn28 |
230M07 |
1A |
S250 |
CF9SMn28 |
F.2111 |
1912 |
Y15 |
11SMn28 |
||||||||||
12L13 |
SUM22L |
1.0718 |
9SMnPb28 |
‐ |
‐ |
S250Pb |
CF9SMnPb28 |
11SMnPb28 |
1914 |
‐ |
‐ |
‐ |
1.0722 |
10SPb20 |
‐ |
‐ |
10PbF2 |
CF10Pb20 |
10SPb20 |
‐ |
‐ |
1215 |
‐ |
1.0736 |
9SMn36 |
240M07 |
1B |
S300 |
CF9SMn36 |
12SMn35 |
‐ |
Y13 |
12L14 |
‐ |
1.0737 |
9SMnPb36 |
‐ |
‐ |
S300PB |
CF9SMnPb36 |
12SMnP35 |
1926 |
‐ |
1015 |
S15C |
1.1141 |
Ck15 |
080M15 |
32C |
XC12 |
C16 |
C15K |
1370 |
15 |
1025 |
S25C |
1.1158 |
Ck25 |
‐ |
‐ |
‐ |
‐ |
‐ |
‐ |
25 |
A572-60 |
‐ |
1.890 |
StE380 |
4360 55 |
‐ |
‐ |
FeE390KG |
‐ |
2145 |
‐ |
1035 |
‐ |
1.0501 |
C35 |
060A35 |
‐ |
CC35 |
C35 |
F.113 |
1550 |
35 |
1045 |
‐ |
1.0503 |
C45 |
080M46 |
‐ |
CC45 |
C45 |
F.114 |
1650 |
45 |
1140 |
‐ |
1.0726 |
35S20 |
212M36 |
8M |
35MF4 |
‐ |
F210G |
1957 |
‐ |
1039 |
‐ |
1.1157 |
40Mn4 |
150M36 |
15 |
35M5 |
‐ |
‐ |
‐ |
40Mn |
1335 |
SMn438(H) |
1.1167 |
36Mn5 |
‐ |
‐ |
40M5 |
‐ |
36Mn5 |
2120 |
35Mn2 |
1330 |
SCMn1 |
1.1170 |
28Mn6 |
150M28 |
14A |
20M5 |
C28Mn |
‐ |
‐ |
30Mn |
1035 |
S35C |
1.1183 |
Cf35 |
060A35 |
‐ |
XC38TS |
C36 |
‐ |
1572 |
35Mn |
1045 |
S45C |
1.1191 |
Ck45 |
080M46 |
‐ |
XC42 |
C45 |
C45K |
1672 |
Ck45 |
1050 |
S50C |
1.1213 |
Cf53 |
060A52 |
‐ |
XC48TS |
C53 |
‐ |
1674 |
50 |
1055 |
‐ |
1.0535 |
C55 |
070M55 |
9 |
‐ |
C55 |
‐ |
1655 |
55 |
1060 |
‐ |
1.0601 |
C60 |
080A62 |
43D |
CC55 |
C60 |
‐ |
‐ |
60 |
1055 |
S55C |
1.1203 |
Ck55 |
070M55 |
‐ |
XC55 |
C50 |
C55K |
‐ |
55 |
1060 |
S58C |
1.1221 |
Ck60 |
080A62 |
43D |
XC60 |
C60 |
‐ |
1678 |
60Mn |
1095 |
‐ |
1.1274 |
Ck101 |
060A96 |
‐ |
XC100 |
‐ |
F.5117 |
1870 |
‐ |
W1 |
SK3 |
1.1545 |
C105W1 |
BW1A |
‐ |
Y105 |
C36KU |
F.5118 |
1880 |
‐ |
W210 |
SUP4 |
1.1545 |
C105W1 |
BW2 |
‐ |
Y120 |
C120KU |
F.515 |
2900 |
‐ |
Product Details
The company has rich experience and resources in overseas trade, and its products are exported to Europe, America, Asia and other countries and regions. The annual export volume exceeds US$50 million, accounting for more than 50% of the company's total sales.
Application Field
Customer Visit
COOPERATIVE PARTNER

Factory Workshop

Factory Workshop

Factory Workshop

Factory Workshop
FAQ
Q:What product information do I need to provide?
A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.
Q:Does the product have quality inspection before loading?
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.
Q: Do you provide samples ? is it free or extra ?
A: The sample could can provide for customer with free,but the courier freight will be covered by customer account.
Q:How to pack the products?
A:The inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion during ocean transportation.
Q: Do you accept the third party inspection?
A: Yes absolutely we accept.
Q:How about MOQ?
A:The minimum order quantity is 3 Ton, which can be customized according to customer requirements.
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