• JIS G3454 grade STPG370 STPG410 seamless carbon steel pipes

Japanese Industrial standard JIS G3454 seamless carbon steel pipes are for pressure service.STPG370 and STPG410 are commonly used steel grades in this standard.IMRI supplies steel pipes of different standards such as JIS,ASTM,EN,DIN and API.Please contact us if you want to import any kind of steel pipes.


Standard JIS G3454
Steel Grade/Material STPG370,STPG410
OEM service Provide
Outer Diameter(OD) 1 1/2”-28”(38mm-720mm)
Wall Thickness(WT) 2.6mm-60mm
Length 5.8-16m or OEM
Packing Plastic cap and bundling
Surface Treatment Bare or 3pe,3pp,fbe anti-corrosion coated
Section Shape Round
Technique Seamless hot rolled
Application Seamless carbon steel pipes for pressure service
Sour service No
Place of Origin China
MOQ 25 ton
Transportation 1.Sea port:Tianjin Xingang port,Qingdao port,Shanghai Luojing port
→America,Europe,Africa,Middle East,India, Pakistan,Japan,Korea,

2.Land port:Alataw pass port(Пограничный пункт “Алашанькоу”)
Khorgos port(Пограничный пункт “Хоргос”)
→East Asia, Uzbekistan,Kazakhstan,Kyrgyzstan…(Train)
Erlianhot port→Mongolia(Train and Truck)
Manchuria port→Russia(Train and Truck)

Chemical Composition of JIS G3454 Seamless Steel Pipes
Grade C Si Mn P S
STPG370 <0.25 <0.35 0.30-0.90 <0.040 <0.040
STPG410 <0.30 <0.35 0.30-1.00 <0.040 <0.040
Mechanical properties of JIS G3454 Seamless Steel pipes
Grade Tensile strength Yield strength
STPG370 >370 >215
STPG410 >410 >245

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