We can manufacture and supply seamless steel pipes with OD 1/8"(10.3mm)-56"(1422.4mm) and wall thickness below 5.91"（150mm) according to ASTM/ASME、DlN/EN、BS、JlS、GOST、GB standard and customers’special requirements .

Materials are mainly including carbon steel pipes, alloy steel pipes, and stainless steel pipes, also the tubing for applications of gas cylinder, structure, high/low -temperature resistance, high/low -pressure resistance and corrosion resistance.

Alloy pipes and tubes

1、12Cr5Mo NT、12Cr5MoI 、12Cr9Mo、15CrMo、12Cr2Mo—GB9948

2、P5 、 P22、  P9、 P11、P22、P91、P92—ASTM / ASME  A335  

3、T91、 P91、T 92  P92—ASTM / ASME  A213

4、12Cr1MoVG、15CrMoG—GB5310 

Carbon pipes and tubes 

1、structure pipe , fluid pipe , low and medium pressure pipe 

      20#—GB/T8162、GB/T8163、GB3087;  Gr. B— A/SA53                    

2、 line pipe

       Gr. B、X42、X46、X52、X56、X60、X65—API 5L PSL1 & PSL2；

3、 mechanical pipe 

       Q345B/C/D/E—GB/T8162；E355、E355K2—EN10297-1；S355J0H/J2H/K2H—EN10210-1

4、Petroleum cracking tube , High pressure chemical fertilizer pipe, high-pressure boiler tube

      20#—GB9948;20#、16Mn—GB6479; 20G、25MnG—GB5310; ST45.8/III—DIN17175; Gr. B & C—A/SA106 

Low temperature pipe and tube 

1、Gr.1、Gr.6、Gr.3—A/ SA 333；

2、16MnDG、10MnDG、06Ni3MoDG—GB/T18984

Gas cylinder pipe and tube 

1、30CrMo、35CrMo—GB18248;

2、 Gr.4130、4135—ASTM A519；

3、 34CrMo4—EN10083