Tianjin Haigang Steel Sheet CO Ltd

Welded Steel Pipe

Payment Terms: TT or LC

Ref Price : 400-500 USD/TON

Supply Capability : 40000 TON

Loading Port : TianJin

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Qulck Details

  • Standard:
    GB/T3091 –2001 , BS1387 –1985 , DIN EN10025, DIN2440, EN10219 , JIS G3444:2004 , ASTM A53 , ASTM A50
  • Steel Grade:
    Q235, Q345 ,S235JR,S275JR, S355,S355JR,S355J2H, STK400 ,STK50 API 5L: A, B, X42, X46, X52, X56, X60
  • End:
    square ends (straight cut, saw cut, and torch cut). or beveled for welding, beveled
  • Surface:
    Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil, P
  • Packing:
    Plastic plugs in both ends with several steel strips, Two tags on each bundle, Wrapped in waterproof
  • Test:
    Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elong
  • Third party inspection:
    SGS, BV, Lloyds etc.
  • Payment:
    T/T, L/C



API, ASTM, BS, GB, JIS, API 5CT, API 5L, ASTM A234-2007, ASTM A252-1998, ASTM A312-2007, ASTM A312M-2001, BS EN 39, BS EN10025, GB/T 14291-2006, GB/T 5312-1999, GB/T 9711.2-1999, JIS G3452-2004, JIS G3457-2005, JIS G3459-2004, JIS G3462-2004, BS EN10217,DIN ,ASTM A106, ASTM A53,ASTM A312, ASTM A234, ASTM A335


10#-45#, 15NiCuMoNb5, 16Mn, A53-A369, Mn-V alloy, Mo, Q195-Q345, STBA20-STBA26, 20#, 45#, 15NiCuMoNb5, 16Mn, A106(B,C), A269, A333 Gr6, 15MnV, 15Mo3, 16Mo, Q195, Q215, Q235, STBA22, STBA26, 10#-45#, Q195-Q345, A53-A369, 16Mn, A53(A,B), A312. A333,

Section Shape:


Outer Diameter:

10 - 2850 mm

Secondary Or Not:



Fluid Pipe



Surface Treatment:

pilished, black painting or bare pipe or oiled


stainless steel,alloy steel,carbon steel

Special achieved:


Thickness 6 - 500 mm Place of Origin Tianjin, China (Mainland)
Technique Cold Rolled Alloy Or Not Non-alloy





certificate of sino


1、We have our own factory to produce our products.

2、We have a number of excellent line service team.

3、We offer a full range of quality assurance services.


Q: May I have some samples before bulk order?

A: Yes, you can. We can arrange the shipment according to your requirements.

Q: Do you have quality control?

A: Sure. We have the most advanced testing equipment for very strict quality control. 

Q:How about the delivery?

A: By containers on ship or railway wagon ,and bulk ship . Safe and cost effective way of delivery . 

Q:What about the lead time for mass production?

A:Honestly, it depends on the order quantity and the season you place the order.

   Tianjin Haishan Steel Plate Co., Ltd. is a manufacturing enterprise specialized in manufacturing hot-dip galvanized sheets and strips. The company is located in Shuangtang High-grade Hardware Industrial Park, Jinghai County, Tianjin.  Also this is situated 30km away from Tianjin City, 107km away from Tianjin Port and 66km away from Tianjin Binhai International Airport. The total investment of the company is RMB 800 million and has a registered capital of RMB 410 million. 

Haigang has advanced continuous production lines of pickling, cold rolling and hot galvanizing, with annual capacity of 1 million tons.The main products are galvanized strip steel, pickling strip steel and cold rolled strip steel with width of 860mm or less, zinc content of 40g-600g and thickness of 0.3mm-5.0mm.Widely used in the construction industry, machinery manufacturing industry, automobile industry, household appliances and other fields.Our products have been sold to Europe, America, central Asia, southeast Asia, etc.

Haigang always adheres to technological innovation, strengthens internal management, optimizes product structure, and improves product quality. It is the first company in the industry to pass the certification of GB/ t19001-2008 quality management system, GB/ t24001-2004 environmental management system, and GB/ t28001-2011 occupational health and safety management system."Hai gang" brand galvanized steel strip has also been awarded the honorary title of "tianjin famous brand product".

Haigang has been building its enterprise brand with integrity, taking technological innovation as the driving force, taking product quality as the basis, taking customer value as the goal, and taking common development with customers as the enterprise purpose.Is a win-win cooperation partner with you.

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