Changzhou Heyuan Steel Tube Co., Ltd. is a specialized manufacturer of seamless pipes&tubes of carbon steel and alloy steel. We have 3 sets of piercing units, 16 sets of cold-drawn units, 3 sets of straightening units, 3 cutting machines as well as pickling and annealing equipment, to ensure prodution and output, and a special lab with C-S analyzer, Rockwell hardness tester, Eddy-current detection system, material testing device to ensure quality of products. As a specialized manufacturer with annual production capacity of about 50000 MT, we can manufacture and supply pipes&tubes with wide range of sizes (OD: 8mm-168mm, W. T: 0.8mm-22mm) and the grades are available with great variety of carbon steel like ASTM A179, ASTM A106 Gr. A/B/C, ASTM A53 Gr. A/B, DIN 17175 St35.8, ST45.8, GB 10#, 20#, 35#, 45#, etc and alloy steel like ASTM A213 T5, T9, T11, T22, ASTM A335 P5, P9, P11, P22, DIN 17175 15Mo3, 13CrMo44, 12CrMo195, SEW 680 10CrMo910, GB 16Mn, 30CrMo, 42CrMo, 37Mn5, etc. We are regularly Selling: seamless steel pipe, seamless carbon steel pipe, seamless alloy steel pipe. |
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