• ASTM A53 Gr.B seamless carbon steel pipe for general use below 350℃

IMRI  can produce seamless pipe for different applications according to customers’ requirements as per various standards, such as API, ASTM, DIN, JIS, EN, GOST, etc. ASTM A53 Gr.B seamless carbon steel pipes are usually used as general pipes below 350℃


Standard ASTM A53
Grade Gr.B
Outer Diameter(OD) 1 1/2”-28”(38mm-720mm)
Wall Thickness(WT) 2.6mm-60mm
Length 5.8-16m or OEM
End PE or BE
Packing Plastic cap or bundling
Surface Treatmengt Black paint,3LPE,3LPP,FBE or OEM
Section Shape Round
Technique Seamless hot rolled
Application Used as general pipeline pipes below 350 degrees Celsius
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 in % by mass
Grade C Mn P S Co Ni Cr Mo V
Max Max Max Max Max Max Max Max Max
Grade      A 0.25 0.95 0.05 0.045 0.40 0.4 0.4 0.15 0.08
Grade      B 0.3 1.2 0.05 0.045 0.40 0.4 0.4 0.15 0.08
Note: Total chemical composition Cr, Mo and V is not more than 1%.
Mechanical properties
Grade Tensile strength Yield strength
ASTM A53B ≥415 ≥240

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