The Role of the Main Elements in Stainless Steel
Metal elements and functions required in the production of stainless steel:
Nickel: Nickel is a very important core element in stainless steel. It can improve the strength and toughness of steel and ...
Distinguishing Factors of Steel Pipe
There are a lot of stainless steel pipes on the market, and there are many brands. It is very difficult for lay people to identify the quality. This gives some stores the opportunity to deceive users,...
Problems That Oil Casing Pipe May Encounter During Hydrostatic Test
Analysis of cracking cause of hydraulic pressure test of P110 oil casing pipe: through analysis of chemical composition, fracture analysis and metallographic examination of the material, abnormal crac...
What are the Requirements for Hydrostatic Test of Petroleum Casing
Hydrostatic pressure test is an indispensable link in the manufacturing process of steel pipes, and its role is to detect the anti-leak function of steel pipes under the standard test pressure and tim...
How to Choose Seamless Steel Pipe Welding
The selection of seamless steel tube welding methods should be based on the material and wall thickness of the seamless steel pipe. Because different welding methods have different arc heat and arc fo...
Defects in Fusion Zone of J55 Oil Casing Pipe
J55 oil jacket fusion zone defect:
After the ERW oil jacket, the welded pipe in the heat affected zone of the fusion line was found to be unqualified. Metallographic analysis, scanning electron micros...
