Seamless Steel Pipes

Our main products include 8 series: Carbon steel seamless pipes for use in low and medium pressure boilers, petroleum casing tubes, ships, fluid conveyance, petroleum cracking, chemical fertilizer equipments, structures, and hollow pumping rods.we can produce seamless steel pipes from OD3/4 to Od32, thickness SCH30,SCH40, SCH80, SCH160 and so on, according to the standards such as API 5CT, DIN, and JIS. Its products have been sold around China and exported to over dozens of countries and regions in the world such as Southeast Asia, the Middle East, Europe and America etc., enjoying the very high prestige in the domestic and foreign markets.
(1)From 3/4"-3", our pipes are cold drawning.
(2)From 4"-12",our pipes are hot rolling.
(3)Over 12", our pipes are hot expansion.
  API 5L Chemical components and mechanical property PSL1
Class and Sort Chemical components Mechanical property
 C
(Max)  Mn
(Max)  P
(Max)  S
(Max) Tensile Strength( Min) Yeild Strengh(Min)
 psi  Mpa  psi  Mpa
A25   0.21 0.6 0.03 0.03 45000 310 25000 172
        0.21 0.6 0.03 0.03
A 0.22 0.9 0.03 0.03 48000 331 30000 207
B 0.28 1.2 0.03 0.03 60000 414 35000 214
X42 0.28 1.3 0.03 0.03 60000 414 42000 290
X46 0.28 1.4 0.03 0.03 63000 434 46000 317
X52 0.28 1.4 0.03 0.03 66000 455 52000 359
X56 0.28 1.4 0.03 0.03 71000 490 56000 386