-
2024-03-27Product News
API 5L X42 Pipe Specifications
API 5L X42 pipe has a minimum yield strength of 290 MPA, enabling it to operate in low to medium pressure pipes. These grades of pipe are superior to API 5L Grade B pipe in terms of chemical and mechanical properties. It has higher mechanical strength than API 5L Class B pipe and is therefore less susceptible to cracking. For industrial applications requiring higher strength pipes, customers prefer API 5L GR. X42 pipe replaces API 5L Class B.
-
2024-03-22Product News
About X60 line pipe introduction
API 5L Psl1 Line Pipe covers seamless and welded carbon steel line pipes suitable for transporting natural gas and petroleum industries. Our company can provide high-quality API5L Gr.b line pipe with API certificate to the world. API 5L gr.b ERW steel pipe is a very common steel grade, usually psl1 gr.b pipe.
-
2024-03-19Product News
Spiral Welded Pipe and ERW Pipe
Manufacturing process
A.ERW pipe manufacturing process:
Electric resistance welded (ERW) pipe is produced using a relatively simple but efficient manufacturing process. It starts with flat steel strip unrolled from a roll and passed through a series of rollers to ensure uniform thickness. The strip then enters the welding chamber, where high-frequency current is applied to the edges of the strip. This localized heating causes the edges to melt and fuse together, forming a continuous weld. Finally, the welded pipe is cut to the required length and subjected to various finishing processes such as straightening and inspection.
-
2024-03-01Product News
What Is Q235 Carbon Steel?
Q235 Steel (Q235A Q235B Q235C Q235D)
Q235 steel is a common carbon structural steel widely used in my country. The Q235 material in Chinese standard GB/T 700 is divided into 4 quality grades: Q235A, Q235B, Q235C and Q235D; the density of the steel is 7.85 g/cm3, and the tensile strength is 370-500 MPa; Yield strength is 235MPa (data is for steel bars or steel plates with a diameter less than or equal to 16mm). Since it is mild steel, it can be used directly without heat treatment.
-
2024-03-01Product News
A106 GR.B seamless steel pipe
A106 GR.B seamless steel pipe is a high-quality steel pipe that is widely used in the petroleum, chemical, and boiler industries. The material has good mechanical properties. A106B American standard seamless pipe complies with the ASTM A106/A106M carbon steel seamless steel pipe standard for high-temperature operation, grade B.
-
2024-02-25Product News
The Difference Between Hot-Dip Galvanized Pipe And Pre-Galvanized Pipe
The Difference Between Hot-Dip Galvanized Pipe And Pre-Galvanized Pipe
1. What Is Hot Dip Galvanizing?
Hot dip galvanizing is the process of immersing metal in a molten zinc bath. To make galvanized steel using this method, we need to follow 4 steps: surface cleaning, fluxing, hot dip plating and cooling.
-
2024-01-26Product News
Performance of stainless steel pipes
The special properties of stainless steel pipes are:
1. Excellent corrosion resistance: A thin protective film will form on the surface of stainless steel. Although this protective film is about 3×10-6 mm, it is very strong. Even if it is damaged, as long as there is oxygen next to it, it will It can be regenerated immediately to prevent rust.
-
2024-01-26Product News
Operation steps for pickling and passivation of stainless steel welded pipes
he operation steps of pickling and passivating stainless steel pipe welded pipes are divided into the following 8 points:
1. Preparation
2. Chemical degreasing
3. Rinse with hot water...
-
2024-01-19Product News
15CrMoG alloy tube knowledge
15CrMoG alloy pipe is a hollow long steel material, which is widely used as a pipeline for transporting fluids, such as oil, natural gas, water, coal gas, steam, etc. In addition, when bending and torsional strength are the same, the weight is lighter, so It is also widely used in the manufacture of mechanical parts and engineering structures. It is also commonly used to produce various conventional weapons, gun barrels, artillery shells, etc.
Classification of steel pipes: Steel pipes are divided into two categories: seamless steel pipes and welded steel pipes (seamed pipes). According to the cross-sectional shape, it can be divided into 15CrMoG alloy pipes and special-shaped pipes. Circular steel pipes are widely used, but there are also some square, rectangular, semicircular, hexagonal, equilateral triangle, octagonal and other special-shaped steel pipes.
-
2024-01-19Product News
Comparison of the advantages and disadvantages of duplex stainless steel and other stainless steels
The so-called duplex stainless steel has approximately half of the ferrite phase and half of the austenite phase in its solid solution structure. Generally, the minimum phase content needs to reach 30%, so it has the properties of both ferritic stainless steel and austenitic stainless steel. Features.
-
2023-12-08Product News
Uses of Tubing and Casing Coupling
Tubing and casing coupling is an important component in the oil and gas industry, particularly in well construction and drilling operations. They are used to connect two sections of casing pipe together, creating a continuous and protective casing string that lines the borehole. The primary purpose of tubign and casing coupling is to ensure the integrity and stability of the wellbore, as well as to provide other essential functions. Here are some of the key uses of tubign and casing coupling.
-
2023-11-30Product News
How To Polish Seamless Steel Pipe?
In modern equipment manufacturing, seamless steel pipes play a key role. However, the surface of seamless steel pipes often has problems such as burrs and solder residues. These factors may affect its performance during use. Therefore, polishing seamless steel pipes has become particularly critical. The following will briefly introduce how to polish seamless steel pipes.