News
-
What are the steel pipe products around you?
Steel pipe products are indispensable and important products in today’s society, and they are widely used in various industries. 1. Qualification of steel pipe products The qualification of steel pipe products refers to whether the quality of steel pipe products meets the standards stipulated by ...Read more -
Classification and application of welded steel pipe
Welded steel pipe is a steel pipe in which the edges of steel plates or strip coils are welded into a cylindrical shape. According to the welding method and shape, welded steel pipes can be divided into the following categories: Longitudinal welded steel pipe (LSAW/ERW): Longitudinal welded stee...Read more -
Microstructure and Properties of Hot-rolled Seamless
At present, domestic steel producers face enormous challenges seamless steel overcapacity, have to adjust product structure, eliminate backward production capacity and research and development of high-quality products. Experimental studies have shown: the implementation of control of the cooling ...Read more -
Production of Cold Drawing Petroleum Cracking Tube
Production of cold drawing petroleum cracking tube can be cold-rolled, cold drawn, cold-drawn, cold-mix production. Using drawing process, a simple equipment, low investment, easy operation and maintenance and so on. But the drawback is the middle step of many, lumber rate. Using cold process equ...Read more -
Carbon steel tube vs Stainless steel tube: material
In daily life, carbon steel tube (cs tube) and stainless steel tube(ss tube) are one of the most commonly used piping products. Although they are both used to transport gases and liquids, their materials vary widely. This article will conduct a detailed analysis of the material differences and ap...Read more -
Precautions and acceptance criteria for purchasing
The raw materials of welded steel pipes are ordinary low carbon steel, low alloy steel or high manganese steel, etc., which are widely used in boilers, automobiles, ships, light steel structure doors and windows, furniture, various agricultural machinery, high-rise shelves, containers, etc. So wh...Read more -
Can carbon steel tube be used for desalinated water
1. Application of carbon steel tube in desalinated water treatment Desalinated water treatment is one of the essential processes in modern production, and various pipes have emerged as the times require. Carbon steel tubee, as a common industrial building material, is also considered for use in d...Read more -
Common surface defects of seamless tubes
Common outer surface defects of seamless tube (smls): 1. Folding defect Irregular distribution: If mold slag remains locally on the surface of the continuous casting slab, deep folding defects will appear on the outer surface of the rolled tube, and they will be distributed longitudinally, and “...Read more -
Reasons for Uneven Wall Thickness of Large-diameter
The problem of uneven wall thickness of large-diameter seamless steel pipes is relatively common in the production of seamless steel pipes, and it is also a headache for customers. The unevenness of the thick-walled seamless steel pipe is mainly reflected in the uneven spiral wall, the uneven lin...Read more -
Carbon Steel Pipes Manufacturer & Supplier in China
China Carbon Steel Pipe Manufacturers, Suppliers, Exporters and Stockists - Hunan Great Steel Pipe Co., Ltd Hunan Great Steel Pipe Co., Ltd is one of the largest Carbon Steel Pipe Manufacturers in China. We have been an important part of the growth and development of the Chinese market and qual...Read more -
Straight Seam Steel Pipe Processing Methods
1. Steel casting: Use forging hammer the reciprocating impact force or press pressure to the billet into a pressure change we desired shape and dimensions plus work approach. 2. Kneading: the steel metal placed in closed kneading Jane, applying pressure at one end of the metal is extruded from th...Read more -
Steel pipe quality problem
Surface quality problems of steel pipe mainly shows in the surface oxide thick,surface cracking,surface re-skin, surface mechanical pumps and so on.After the completion of hot-rolled carbon steel cold rolled steel and then heat treatment or after, it will form a thick and strong adhesion, high te...Read more
