產(chǎn)品簡介 PRODUCT INTRODUCTION
日本標(biāo)準(zhǔn) JAPANESE STANDARDS
壓力管道、高壓管道、高溫管道用碳素鋼管
CARBON STEEL PIPE FOR PRESSURE PIPELINE、HIHG PRESSURE APPLICATION AND HIGH TEMPERATURE APPLICATION
標(biāo)準(zhǔn) Standard
JIS G3454…………日本國家標(biāo)準(zhǔn)Japanese National Standard
JIS G3455…………日本國家標(biāo)準(zhǔn)Japanese National Standard
JIS G3456…………日本國家標(biāo)準(zhǔn)Japanese National Standard
用途 Application:
JIS G3454適用于在350℃以下使用的壓力管道用碳素鋼管;
It is used as Carbon Steel Pipe for Pressure Pipeline in the condition under 350℃ temperature.
JIS G3454適用于在350℃以下使用的工作壓力高的管道用碳素鋼管;
It is used as Carbon Steel Pipe for the pipeline which in the temperature less than 350℃ and high working pressure.
JIS G3456適用于在超過350℃使用的壓力管道用碳素鋼管;
It is used Carbon Steel Pipeline in the condition that over 350℃.
主要生產(chǎn)鋼管牌號 Main Steel Tube Grade:
STPG370 STS370 STPT370
化學(xué)成分、機(jī)械性能Chemical composition & Mechanical Properties
牌號
Grade |
化學(xué)成分Chemical Composition(%)
|
機(jī)械性能Mechanical Properties
|
|
C
|
Si
|
Mn
|
P 、S
|
抗拉強(qiáng)度(Mpa)
Tensile Strength
|
屈服強(qiáng)度(Mpa)
Yield Strength
|
伸長率(%)
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
|