产品简介 PRODUCT INTRODUCTION
中国标准 CHINESE STANDARDS
锅炉用无缝钢管
SEAMLESS STEEL AND PIPES FOR BOILER
标准 Standard:
GB5310…………中国国家标准China National Standards
用途Application:
用于高压锅炉(工作压力一般在9.8MPa以上,工作温度在450℃~650℃之间)的受热管子、集箱、省煤器、过热器、再热器等。
For manufacture heating—pipelines, containers ,coal—saving devices , superheaters and reheaters of high pressure boilers(P>9.8Mpa, 450℃<T<650℃)
主要生产钢管牌号 Main Steel Tube Grade:
20G、12Cr1MoVG
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 | Mo | V | 抗拉强度(Mpa) Tensile Strength | 屈服强度(Mpa) Yield Strength | 伸长率(%) Elongation |
| GB5310 | 20G | 0.17~0.24 | 0.17~0.37 | 0.35~0.65 | ≤0.030 | _ | _ | _ | 410~550 | ≥245 | ≥24 |
| 12Cr1MoVG | 0.08~0.15 | 0.17~0.37 | 0.40~0.70 | ≤0.030 | 0.90~1.20 | 0.25~0.35 | 0.15~0.30 | 470~640 | ≥255 | ≥21 |