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
標準 Standard:
GB5310…………中國國家標準China National Standards
用途Application:
用于高壓鍋爐(工作壓力一般在9.8MPa以上,工作溫度在450℃~650℃之間)的受熱管子、集箱、省煤器、過熱器、再熱器等。
For manufacture heating—pipelines, containers ,coal—saving devices , superheaters and reheaters of high pressure boilers(P>9.8Mpa, 450℃<T<650℃)
主要生產鋼管牌號 Main Steel Tube Grade:
20G、12Cr1MoVG
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
|
Mo
|
V
|
抗拉強度(Mpa)
Tensile Strength
|
屈服強度(Mpa)
Yield Strength
|
伸長率(%)
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
|