产品简介 PRODUCT INTRODUCTION
日本标准 JAPANESE STANDARDS
压力管道、高压管道、高温管道用碳素钢管
CARBON STEEL PIPE FOR PRESSURE PIPELINE、HIHG PRESSURE APPLICATION AND HIGH TEMPERATURE APPLICATION
标准 Standard
JIS G3454…………日本国家标准Japanese National Standard
JIS G3455…………日本国家标准Japanese National Standard
JIS G3456…………日本国家标准Japanese National Standard
用途 Application：
JIS G3454适用于在350℃以下使用的压力管道用碳素钢管；
It is used as Carbon Steel Pipe for Pressure Pipeline in the condition under 350℃ temperature.
JIS G3454适用于在350℃以下使用的工作压力高的管道用碳素钢管；
It is used as Carbon Steel Pipe for the pipeline which in the temperature less than 350℃ and high working pressure.
JIS G3456适用于在超过350℃使用的压力管道用碳素钢管；
It is used Carbon Steel Pipeline in the condition that over 350℃.
主要生产钢管牌号 Main Steel Tube Grade:
STPG370 STS370 STPT370
化学成分、机械性能Chemical composition ＆ Mechanical Properties
牌号
Grade |
化学成分Chemical Composition（%）
|
机械性能Mechanical Properties
|
|
C
|
Si
|
Mn
|
P 、S
|
抗拉强度（Mpa）
Tensile Strength
|
屈服强度（Mpa）
Yield Strength
|
伸长率（%）
Elongation
|
|
STPG370
|
≤0.25
|
≤0.35
|
0.30~0.90
|
≤0.040
|
≥370
|
≥215
|
≥30
|
|
STS370
|
≤0.25
|
0.10~0.35
|
0.30~1.10
|
≤0.035
|
≥370
|
≥215
|
≥30
|
|
STPT370
|
≤0.25
|
0.10~0.35
|
0.30~0.90
|
≤0.035
|
≥370
|
≥215
|
≥30
|
