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(Mpa)
Tensile Strength
|
屈服强度(Mpa)
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
|