產品簡介 PRODUCT INTRODUCTION
中國標準 CHINESE STANDARDS
鍋爐用無縫鋼管
SEAMLESS STEEL AND PIPES FOR BOILER
(1)低中壓鍋爐用無縫鋼管Seamless Steel Tubes for Low and Medium Pressure Boiler
標準 Standard:
GB3087…………中國國家標準China National Standards
用途Application:
用于低中壓鍋爐(工作壓力一般不大于5.88Mpa,工作溫度在450℃以下)的受熱管子、集箱及蒸汽管道。
For manufacture heating—pipelines, containers , steaming pipelines ofl low/medium pressure boilers(P<5.88Mpa,T<450℃)
主要生產鋼管牌號 Main Steel Tube Grade:
10、20
經協商,也可供應其他牌號的鋼管
Other grade can also be provided after consulting with customers.
化學成分、機械性能Chemical composition & Mechanical Properties
標準
Standard |
牌號
Grade
|
化學成分Chemical Composition(%)
|
機械性能Mechanical Properties
|
|
C
|
Si
|
Mn
|
P 、S
|
Cr
|
Ni
|
Cu
|
抗拉強度(Mpa)
Tensile Strength
|
屈服強度(Mpa)
Yield Strength
|
伸長率(%)
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
|