High Strength Bright Annealed Tube Seamless DIN2391 For Pneumatic Parts

DIN2391 Seamless Precision Bright Annealed Tubes For Hydraulic And Pneumatic Parts

Description

Benefits of Round Cold drawn Seamless Mechanical Tubing:

• Smooth surface
• Dimensional accuracy and excellent micro-structure uniformity
• Enhanced machinability
• High strength to weight ratio
• Tight tolerances, resulting in reduced machine time
• Cross-sectional shape: Round, oval, square, hexagon, octagon, plum blossom, etc
• Applications: hydraulic cylinders, rollers, structural apps, truck and automotive parts

Standard: ASTM A519 DIN 2391 EN 10305

Grade: ASTM 1010/1018/1020/1026/1030/1035/1045/4130/4135/4140/5120/5140/52100/8620/4340

DIN ST30AL/ST35/ST45/ST52/CK22/CK35/CK45/41Cr4/25CrMo4/30CrMo4/34CrMo4/42CrMo4/16MnCr5 ETC.

EN E215/E235/E355 etc

Size: Outer diameter: 6-426 mm

Wall thickness: 0.5-40 mm

Length: not more than 12000 mm

Application

High Precision Tube is used in automotive industry, and in the occasion where the high accuracy, brightness, cleanness of the tube are required.

Process: Cold Drawn, Cold Rolled, honin, skiving, Hot rolled+Cold Drawn.

Standard: DIN2391. EN10305-1. GB3639. ASTM A519, EN 10297 etc.

Chemical requirements:

Dimention

Outer Diameter: 30-450 mm

Wall Thickness: 2-40 mm

Length Random Length, Fixed Length, etc.

Dimension tolerance

Delivery Condition: Cold drawn, Cold rolled, Stress Relieved, Annealed( Bright Annealed, Spheroidize Annealed), Normalized, Quenched and Tempered.

Surface: Black, Smooth, Bright.

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.