Company News
Contact Us
Company News

Threeway Steel Co., Ltd

E-mail: sales@srtsteelpipe.com

Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116

Phone:0086-731-8873-9521  

Home - News > Company NewsCompany News
Straight seam steel pipe straightening method

Straight seam steel pipe straightening method

Keywords :Straight seam steel pipe straightening method        Update : 2022-09-20        View(s) : 893

1. The straight seam steel pipe is bent in the same direction as the weld Reason: The normalizing treatment of the weld is insufficient, and there is thermal stress on the side of the pipe near the weld, so it bends in one direction after cooling. Solution: 1. Adjust the intermediate roller ...

How to improve the wall thickness accuracy of reinforced 3pe anti-corrosion steel pipe

How to improve the wall thickness accuracy of reinforced 3pe anti-corrosion steel pipe

Keywords :How to improve the wall thickness accuracy of reinforced 3pe anti-corrosion steel pipe        Update : 2022-09-16        View(s) : 738

1. For the heating of the tube blank, we must pay attention to uniform heating, prohibit the rapid rise and fall of the temperature, and keep the rise and fall of the temperature stable. 2. Use the centering roller to determine whether it is in place, and adjust the core roller's center axis an...

What are the standards for the storage of anti-corrosion steel pipes

What are the standards for the storage of anti-corrosion steel pipes

Keywords :What are the standards for the storage of anti-corrosion steel pipes        Update : 2022-09-14        View(s) : 1

1. The appearance of the storage and delivery of anti-corrosion steel pipes needs to be checked as follows: ①Check root by root to ensure that the surface of the polyethylene layer is flat and smooth, without dark bubbles, pits, wrinkles, and cracks, and the overall color needs to be more unifor...

Peru square steel pipe export

Peru square steel pipe export

Keywords :Peru square steel pipe export        Update : 2022-09-09        View(s) : 790

Project Location: Peru.  Product: Square steel pipe .  Size: 200x200x12.  Application: steel structure construction.  Arrival time: 9.2.2022 The square steel pipe arrived in Peru and ...

The method of preheating deformation of straight seam steel pipe

The method of preheating deformation of straight seam steel pipe

Keywords :The method of preheating deformation of straight seam steel pipe        Update : 2022-09-07        View(s) : 808

1. Reasonable selection of materials. For precision and messy molds, micro-deformation mold steels with good materials should be selected, and mold steels with serious carbide segregation should be reasonably cast and quenched, and tempered. Reasonable selection of heating temperature and control of...

Page(s):  1 ... 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 ... 193