鍋爐管
BOILER TUBE
標(biāo)準(zhǔn) Standard
DIN17175…………德國(guó)工業(yè)標(biāo)準(zhǔn)Germany Industry Standard
用途 Application：
適用于鍋爐行業(yè)用管道。
It is used for the pipeline of boiler industry.
主要生產(chǎn)鋼管牌號(hào) Main Steel Tube Grade:
St35.8、St45.8
經(jīng)協(xié)商，也可供應(yīng)其他牌號(hào)的鋼管
Other grade can also be provided after consulting with customers:
化學(xué)成分、機(jī)械性能Chemical composition ＆ Mechanical Properties
標(biāo)準(zhǔn)
Standard |
牌號(hào)
Grade
|
化學(xué)成分Chemical Composition（%）
|
機(jī)械性能Mechanical Properties
|
|
C
|
Si
|
Mn
|
P 、S
|
Mo
|
Cr
|
抗拉強(qiáng)度（Mpa）
Tensile Strength
|
屈服強(qiáng)度（Mpa）
Yield Strength
|
伸長(zhǎng)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
|
