输送流体用无缝钢管
SEAMLESS STEEL TUBES FOR LIQUID SERVICE
标准 Standard:
GB/T8163…………中国国家标准China National Standards
用途Application:
用于石油、天然气输送以及其他一般流体输送。
For conveyance of petroleum、natural gas and other common fluids.
主要生产钢管牌号 Main Steel Tube Grade:
10、20、Q345等(etc)
经协商,也可供应其他牌号的钢管
Other grade can also be provided after consulting with customers.
化学成分、机械性能Chemical composition & Mechanical Properties
标准 Standard | 牌号 Grade | 化学成分 Chemical Composition(%) | 机械性能 Mechanical Properties |
| C | Si | Mn | P、S | Cr | Ni | Cu | 抗拉强度(Mpa) Tensile Strength | 屈服强度(Mpa) Yield Strength | 伸长率(%) Elongation |
GB/T 8163 | 10 | 0.07~0.14 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.15 | ≤0.25 | ≤0.25 | 335~475 | ≥205 | ≥24 |
| 20 | 0.17~0.24 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.25 | 410~550 | ≥245 | ≥20 |
| Q345 | 0.12~0.20 | 0.20~0.55 | 1.20~1.60 | ≤0.045 | — | — | — | 490~665 | ≥325 | ≥21 |