產(chǎn)品簡(jiǎn)介 PRODUCT INTRODUCTION
德國(guó)標(biāo)準(zhǔn)GERMANY STANDARDS
管道、容器、設(shè)備結(jié)構(gòu)用管
STEEL PIPE FOR PIPELINE、VESSEL AND EQUIPMENT STRUCTURE
標(biāo)準(zhǔn) Standard
DIN1629…………德國(guó)工業(yè)標(biāo)準(zhǔn)Germany Industry Standard
用途 Application：
適用于制造管道、容器、設(shè)備、管件及鋼結(jié)構(gòu)。
It is used for manufacturing pipeline , vessel , equipment , pipe fittings and steel structure.
主要生產(chǎn)鋼管牌號(hào) Main Steel Tube Grade:
St37.0 St44.0 St52.0
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
|
Cr
|
抗拉強(qiáng)度（Mpa）
Tensile Strength
|
屈服強(qiáng)度（Mpa）
Yield Strength
|
伸長(zhǎng)率（%）
Elongation
|
|
DIN1629
|
St37.0
|
≤0.17
|
_
|
_
|
≤0.04
|
≤0.04
|
_
|
350~480
|
≥235
|
≥25
|
|
St44.0
|
≤0.21
|
_
|
_
|
≤0.04
|
≤0.04
|
_
|
420~550
|
≥255
|
≥21
|
|
St52.0
|
≤0.22
|
≤0.55
|
≤1.70
|
≤0.04
|
≤0.04
|
_
|
550~650
|
≥270
|
≥21
|
