• Pipe and Tube Bender [6-24]
• What is killed carbon steel [6-22]
• Heat Treatment of Normalizing [6-21]
• Hot & Cold Working and the Rolling P [6-21]
• Hot Dip Galvanising [6-21]
• The difference of Galvanized & Pre-g [2-13]
• Standards Association and Institute [12-15]
• How to calculate the weight of the pipe  [12-15]
• Steel Pipe Knowledge [10-8]
• Steel pipe product introduction [10-8]

• ASTM A105-89 / ASME SA105 [3-17]
• ASTM A 179-88a / ASME SA179  [3-17]
• AISI& SAE Standards UNS No Comparati [6-17]
• Material No - DIN Type - DIN No. Equival [5-26]
• ASTM A 335 M - 89 a / ASME SA 335 /ASTMA [3-21]
• SAE "J" No & UNS No Compar [5-19]
• Material No - DIN Type - DIN No. Equival [5-26]
• SAE "J" No & UNS No Compar [5-19]
• AISI& SAE Standards UNS No Comparati [6-17]
• UNS Number J3 GROUP  [7-16]

Jiangsu Tiancheng Steel Pipe Co., Ltd. is a big professional manufacturer and exporter of steel tubes and pipes in China. It was established in 1989, with a registered capital of six hundred forty-one million US Dollars. Owning more than 1500 professional employees, including over 150 engineers and technicians, Tiancheng specializes in steel pipes and tube, structure steel tubes, fluid steel pipes, high frequency welded steel pipes, low pressure boiler steel tubes, medium pressure boiler steel tubes, precision steel pipes and stainless steel pipes.

Our products are made according to the standards of API, ASTM, ASME, JIS, DIN, BS, EN, UNI, NFA, GB, and YB. The commonly used steel grade include 10#, 20#, 35#, 45#, 20CrMo, DZ40, DZ50, D60, 40Mn2, API A53Gr.B, A106Gr.B, API 5LB, X42, X46, X52, SPHC, 08AL, 08F, HG5, DF08, Q195-235, M8, 304, 304L, 321, 316, 304, 316L, 321, and 310S.

Tiancheng has been engaged in steel exporting since 1991, and now the total volume of export sales of steel tubes has reached up to 300,000 Metric Tons every year. All of our products are very popular in America, Canada, Germany, England, Japan, Korea, Singapore, Thailand, Indonesia, Taiwan, Hong Kong, Macao, and other countries in the Middle East, Europe and the Southeast Asia.