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