產品簡介 PRODUCT INTRODUCTION
德國標準GERMANY STANDARDS
管道、容器、設備結構用管
STEEL PIPE FOR PIPELINE、VESSEL AND EQUIPMENT STRUCTURE
標準 Standard
DIN1629…………德國工業標準Germany Industry Standard
用途 Application:
適用于制造管道、容器、設備、管件及鋼結構。
It is used for manufacturing pipeline , vessel , equipment , pipe fittings and steel structure.
主要生產鋼管牌號 Main Steel Tube Grade:
St37.0 St44.0 St52.0
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
|
抗拉強度(Mpa)
Tensile Strength
|
屈服強度(Mpa)
Yield Strength
|
伸長率(%)
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
|