• Japan standard boiler tube JIS G 3461 steel pipe for heat exchanger and boiler

JIS G 3461 hot rolled seamless steel tube is mainly used for heat exchanger and boiler tube. IMRI is a professional seamless steel pipe supplier who can customize the boiler pipes according to the needs of customers and meet various Chinese and international standards . Contact us for more information about JIS G 3461 steel pipe, such as boiler tube price per ton, payment terms and delivery etc.


Standard JIS G 3461
Steel Grade/Material STB340,STB410,STB510
Outer Diameter(OD) 1.5”-28”(38mm-720mm)
Wall Thickness(WT) 2.6mm-60mm
Length 5.8-16m or OEM
Packing Plastic cap or bundling
Surface Treatmengt Black paint,3LPE,3LPP,FBE or OEM
Section Shape Round
Technique Seamless hot rolled
Application Steel pipe for heat exchanger and boiler
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
Standard Grade C Si Mn P S
JIS G3461 STB340 ≤0.18 ≤0.35 0.30~0.60 ≤0.035 ≤0.035
STB410 ≤0.32 ≤0.35 0.30~0.80 ≤0.035 ≤0.035
STB510 ≤0.25 ≤0.35 1.00~1.50 ≤0.035 ≤0.035
JIS G3461 mechanical properties
Standard Grades Tensile strength Tensile strength Elongation (%)
(MPa) (MPa)
JIS G3461 STB340 ≥340 ≥175 ≥35
STB410 ≥410 ≥255 ≥25
STB510 ≥510 ≥295 ≥25

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