产品简介 PRODUCT INTRODUCTION
德国标准GERMANY STANDARDS
管道、容器、设备结构用管
STEEL PIPE FOR PIPELINE、VESSEL AND EQUIPMENT STRUCTURE
标准 Standard
DIN1629…………德国工业标准Germany Industry Standard
用途 Application：
适用于制造管道、容器、设备、管件及钢结构。
It is used for manufacturing pipeline , vessel , equipment , pipe fittings and steel structure.
主要生产钢管牌号 Main Steel Tube Grade:
St37.0 St44.0 St52.0
化学成分、机械性能Chemical composition ＆ Mechanical Properties
标准
Standard |
牌号
Grade
|
化学成分Chemical Composition（%）
|
机械性能Mechanical Properties
|
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
抗拉强度（Mpa）
Tensile Strength
|
屈服强度（Mpa）
Yield Strength
|
伸长率（%）
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
|
