Carbon Steel Pipe
Carbon Steel Pipe
GB/T8162 Seamless Steel Pipe
This standard applies to seamless steel tubes for general structural and mechanical structures. The main production of steel pipe grade includes Gr 10, Gr 20, Gr 35, Gr 45, Q345, 15CrMo, and 12Cr1MoV.
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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
What is your working time?
In general, our online service time is Beijing time: 8:00-22:00, after 22:00, we will reply to your inquiry during the next working day.
How to pack the products?
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.
Can you send samples?
Of course, we can send samples to all parts of the world, our samples are free, but customers need to bear the courier costs.
What product information do I need to provide?
You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.
What are the shipping ports?
Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you can choose other ports according to your needs.
About product prices?
Prices vary from period to period due to cyclical changes in the price of raw materials.
What are the certifications for your products?
We have ISO 9001, SGS, EWC and other certifications.
How long does your delivery time take?
In general, our delivery time is within 30-45 days, and may be delayed if the demand is extremely large or special circumstances occur.
