锅炉用无缝钢管
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
(1)低中压锅炉用无缝钢管Seamless Steel Tubes for Low and Medium Pressure Boiler
标准 Standard:
GB3087…………中国国家标准China National Standards
用途Application:
用于低中压锅炉(工作压力一般不大于5.88Mpa,工作温度在450℃以下)的受热管子、集箱及蒸汽管道。
For manufacture heating—pipelines, containers , steaming pipelines ofl low/medium pressure boilers(P<5.88Mpa,T<450℃)
主要生产钢管牌号 Main Steel Tube Grade:
10、20
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 Tensile Strength | 屈服强度 Yield Strength | 伸长率 Elongation |
|---|
| GB3087 | 10 | 0.07~0.14 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.25 | 335~475 | ≥195 | ≥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 |