产品简介 PRODUCT INTRODUCTION
中国标准 CHINESE STANDARDS
结构用无缝钢管
SEAMLESS STEEL TUBES FOR STRUCTURAL PURPOSES
标准 Standard：
GB/T8162…………中国国家标准China National Standards
用途Application：
适用于一般结构，机械结构用无缝钢管。
For common structures and mechanical structures.
主要生产钢管牌号 Main Steel Tube Grade:
10、20、35、45、16Mn、15CrMo、12Cr1MoV
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 | Cu | Ni | Mo | Cr | 抗拉强度（Mpa）
Tensile Strength | 屈服强度（Mpa）
Yield Strength | 伸长率（%）
Elongation |
GB/T
8162 | 10 | 0.07~0.14 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.25 | ≤0.25 | — | ≤0.15 | ≥335 | ≥205 | ≥24 |
| 20 | 0.17~0.24 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.25 | ≤0.25 | — | ≤0.25 | ≥390 | ≥245 | ≥20 |
| 35 | 0.32~0.40 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.25 | ≤0.25 | — | ≤0.25 | ≥510 | ≥305 | ≥17 |
| 45 | 0.42~0.50 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.25 | ≤0.25 | — | ≤0.25 | ≥590 | ≥335 | ≥14 |
| 16Mn | 0.12~0.20 | 0.20~0.55 | 1.20~1.60 | ≤0.035 | ≤0.25 | ≤0.25 | — | ≤0.25 | ≥490 | ≥325 | ≥21 |
| 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 | ≥440 | ≥295 | ≥22 |
| 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 | ≥490 | ≥245 | ≥22 |
