鍋爐管
BOILER TUBE
標準 Standard
DIN17175…………德國工業標準Germany Industry Standard
用途 Application:
適用于鍋爐行業用管道。
It is used for the pipeline of boiler industry.
主要生產鋼管牌號 Main Steel Tube Grade:
St35.8、St45.8
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
|
Mo
|
Cr
|
抗拉強度(Mpa)
Tensile Strength
|
屈服強度(Mpa)
Yield Strength
|
伸長率(%)
Elongation
|
|
DIN17175
|
St35.8
|
≤0.17
|
0.10~0.35
|
0.40~0.80
|
≤0.030
|
_
|
_
|
360~480
|
≥235
|
≥25
|
|
St45.8
|
≤0.21
|
0.10~0.35
|
0.40~1.20
|
≤0.030
|
_
|
_
|
410~530
|
≥255
|
≥21
|