Tianjin Tefeng Steel Tube Co., Ltd. (Section Industry and Trade Development) , Annual sales Baotou Steel, Bao Steel, Steel, Chengdu, Anshan, China Hengyang known brands such as alloy pipe, seamless steel pipe of 16 Mn (Q345), the thick wall steel pipe , hydraulic pipes, galvanized seamless, high-pressure boiler pipe, oil cracking pipe, chemical fertilizer pipes for low pressure boiler tubes, fluid tubes, square tubes, rectangular tubes, stainless steel tubes.
Material: 16Mn (Q345A, B, C, D), 20 #, 20G, GB5310-1995, GB6479-2000, GB9948-88, 45 #, 27SiMn \ 15-42CrMo \ oil casing (J55, N80, P110), etc. .
Domestic, imported alloy tube material: 12Cr1MoV (G), 12CrMo44 (A335P12, STFA2215CrMo), 10CrMo910 (A335P22, 12Cr2Mo, STFA24), A33P5 (SETA25, Cr5Mo), A335P9 (Cr9Mo, STFA26), A335P91 (T91), WB36 (15NiCuMoNB5 ), Steel Research 102 (12Cr2MoWVTiB). Executive standard: GB5310-1995, JIS JlSG3457, German standard DIN17175-79 United States, Italy Standard ASTM, ASME. Square tube rectangular pipe material: Q195-Q235B, Q345B. Various specifications and materials can be customized seamless square tube, rectangular tube.