Seamless Cold Drawn ERW Welded Carbon Steel Pipe

E355 E235 Precision Steel Tube Round ERW Welded Hollow Steel Tube

Product Description

1. Size:

We can produce

(1) OD 10-120mm cold drawn

(2) OD 15-80mm finish rolled

And WT 1-12mm seamless steel pipes for the customers

2. Length: Generally, 3-11.8m for per pipe, we also also can provide OEM service for the customers to shortern the length.

3. Tolerance:

(1) For cold drawn pipe, we can control it within OD/Thickness +/-0.1mm(min).

(2) For finish rolled pipe, we can control it within OD/Thickness +/-0.025mm(min).

4. Material:

carbon steel, Chinese standard material, 10#, 20#, 35#, 45#, Q235

Jiangsu Hongbao Group (Pipe) Co., Ltd. (Zhangjiagang Hongda Pipe Co., Ltd.) is a high-tech company in Jiangsu province. The company has a registered capital of RMB 89 million, covers an area of 130,000 square meters, employs 600 staff, and has annual sales of RMB 400 million. The company is specialized in producing and selling high-end bearing tubes, auto alloy tubes, titanium and titanium alloy tubes, nickel and nickel-based alloy tubes, refrigerator condenser tubes, aluminum and aluminum alloy tubes and the like.

The company focuses on the development of new products, and has successively developed high diameter-wall ratio titanium-molybdenum-nickel alloy seamless steel tubes, nuclear power plant reactor driving mechanism used martensite stainless steel seamless steel tubes, auto critical components used alloy steel tubes, high-end refrigerator used corrosion-resistance galvanized condenser tubes, marine engineering and complex environment oilfield used high-strength corrosion-resistance G3 tubes, among which, nuclear power plant reactor driving mechanism used martensite stainless steel seamless steel tube has obtained high-tech product certificate of the province.

At present, the company has obtained authorization for 7 patents for invention, and 8 patents for utility model.