Category Archives: Welded Pipe

What is The Meaning of API 5L Line Pipe?

General Information of API 5L Line Pipe: Specifications for API 5L adhere to the International Organization for Standardization ISO 3183. The API 5L specification provides standards for pipe suitable for use in conveying gas, water, and oil in the natural gas

What is The Meaning of API 5L Line Pipe?

General Information of API 5L Line Pipe: Specifications for API 5L adhere to the International Organization for Standardization ISO 3183. The API 5L specification provides standards for pipe suitable for use in conveying gas, water, and oil in the natural gas

Production Equipments of Precision Welded Pipe

In the process of three typical production methods, the main pipe equipment, pipe forming unit cold drawing machine, cold rolling unit and cold reducing unit, has a decisive role in the formation of precision welded pipe. But the equipment types of

Production Equipments of Precision Welded Pipe

In the process of three typical production methods, the main pipe equipment, pipe forming unit cold drawing machine, cold rolling unit and cold reducing unit, has a decisive role in the formation of precision welded pipe. But the equipment types of

Advantages and Application of LSAW Steel Pipe

Longitudinal Submerged Arc Welded Pipe or simply LSAW steel pipe and Straight Seam Submerged Arc Welded Pipe or simply SSAW steel pipe belong to submerged-arc welding (SAW). But LSAW steel pipe adopts single steel sheet as raw material, its advantages include: the thickness of

Advantages and Application of LSAW Steel Pipe

Longitudinal Submerged Arc Welded Pipe or simply LSAW steel pipe and Straight Seam Submerged Arc Welded Pipe or simply SSAW steel pipe belong to submerged-arc welding (SAW). But LSAW steel pipe adopts single steel sheet as raw material, its advantages include: the thickness of

The Characteristics and Use of Precision Welded Pipe

Precision welded pipe is a broad concept, according to the different use requirement, there are many different personalized quality requirements. Precision welded pipe is the further improved result that based on the general welded steel pipe, is the fine products in the

The Characteristics and Use of Precision Welded Pipe

Precision welded pipe is a broad concept, according to the different use requirement, there are many different personalized quality requirements. Precision welded pipe is the further improved result that based on the general welded steel pipe, is the fine products in the

API 5L Welded Steel Pipe

API early in 1926 released by the American Petroleum Institute (API) API-5L standard, initially including three steel grade A25, A, B, and later released several times. API 5L welded steel pipe is mainly used for the delivery of the onshore

API 5L Welded Steel Pipe

API early in 1926 released by the American Petroleum Institute (API) API-5L standard, initially including three steel grade A25, A, B, and later released several times. API 5L welded steel pipe is mainly used for the delivery of the onshore

The Forming Speed of The Welded Steel Pipe Unit

The speed of the welded steel pipe unit is limited by the high-frequency welding speed. Generally speaking, the unit speed can be opened at a speed of 100 m/s, and the speed of the unit in the world is even

The Forming Speed of The Welded Steel Pipe Unit

The speed of the welded steel pipe unit is limited by the high-frequency welding speed. Generally speaking, the unit speed can be opened at a speed of 100 m/s, and the speed of the unit in the world is even

Production Technology of SSAW Steel Pipe

SSAW steel pipe (some people call it spiral welded pipe) is also a kind of welded pipe, its strength is generally higher than the LSAW steel pipe. Spiral welded pipe with large diameter can be produced by the narrow blank, and SSAW

Production Technology of SSAW Steel Pipe

SSAW steel pipe (some people call it spiral welded pipe) is also a kind of welded pipe, its strength is generally higher than the LSAW steel pipe. Spiral welded pipe with large diameter can be produced by the narrow blank, and SSAW

The Welded Steel Pipe Used for Structure

Structural welded steel pipe is used in steel structure, bridge support, building structural pipe, pile foundation tube, etc.. As the structural tube needs great egret capacity to pressure-bearing and withstand voltage, generally, we use the pipe that the wall thickness

The Welded Steel Pipe Used for Structure

Structural welded steel pipe is used in steel structure, bridge support, building structural pipe, pile foundation tube, etc.. As the structural tube needs great egret capacity to pressure-bearing and withstand voltage, generally, we use the pipe that the wall thickness

The Groove of The Welded Steel Pipe

In the production of welded steel pipe, the groove of the tube is the shape of the cross-section, the general manufacturers in the slitting directly into the high-frequency welding, the groove is a “I” shape. When the thickness of the

The Groove of The Welded Steel Pipe

In the production of welded steel pipe, the groove of the tube is the shape of the cross-section, the general manufacturers in the slitting directly into the high-frequency welding, the groove is a “I” shape. When the thickness of the

The Use of LSAW Steel Pipe

Materials commonly used by LSAW steel pipe are: Q235A, Q235C, Q235B, 16Mn, 20 #, Q345, L245, L290, X42, X46, X60, X80, 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb and so on. LSAW steel pipe in the country mainly used in water projects,

The Use of LSAW Steel Pipe

Materials commonly used by LSAW steel pipe are: Q235A, Q235C, Q235B, 16Mn, 20 #, Q345, L245, L290, X42, X46, X60, X80, 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb and so on. LSAW steel pipe in the country mainly used in water projects,

Carbon Steel Pipe Application: Construction Steel Pipe

According to whether there is a weld seam on pipe wall, construction steel pipe is divided into seamless steel pipe and welded steel pipe. Seamed steel pipe is also divided into spiral welded pipe and LSAW steel pipe according to

Carbon Steel Pipe Application: Construction Steel Pipe

According to whether there is a weld seam on pipe wall, construction steel pipe is divided into seamless steel pipe and welded steel pipe. Seamed steel pipe is also divided into spiral welded pipe and LSAW steel pipe according to

The Principle of Submerged Arc Welding

Submerged arc welding (SAW) is a method that burning under flux layer to weld. SAW is one of the most occurring arc welding process. It needs a electrode which may be solid of tubular. The electrode should be used in

The Principle of Submerged Arc Welding

Submerged arc welding (SAW) is a method that burning under flux layer to weld. SAW is one of the most occurring arc welding process. It needs a electrode which may be solid of tubular. The electrode should be used in

LSAW Steel Pipe Manufacturing Process

LSAW steel pipe manufacturing process is simple, its production efficiency is high and at low cost, the development of straight seam welded pipe is rapid. Therefore, the straight welding is mostly used in smaller diameter of steel pipe. Today, as

LSAW Steel Pipe Manufacturing Process

LSAW steel pipe manufacturing process is simple, its production efficiency is high and at low cost, the development of straight seam welded pipe is rapid. Therefore, the straight welding is mostly used in smaller diameter of steel pipe. Today, as

Pipe Application: Piling Steel Pipe

Piling steel pipe is the steel pipe that made of steel or strip after crimping, specifications includes φ219-φ2232 different wall thickness, the implementation of SY/T5037-2000, GB/T9711.1-1997 standards and APISpec5L standards. It is widely used in natural gas, oil, chemical, power,

Pipe Application: Piling Steel Pipe

Piling steel pipe is the steel pipe that made of steel or strip after crimping, specifications includes φ219-φ2232 different wall thickness, the implementation of SY/T5037-2000, GB/T9711.1-1997 standards and APISpec5L standards. It is widely used in natural gas, oil, chemical, power,

Welded Steel Pipe: Control of Welding Slag Inclusion and Stomata Defects

When steel pipe manufacturer (such as Prime Steel Pipe) producing welded steel pipe, it is unavoidable that some welding slag inclusion and stomata defects may appear if workers don’t control very well during operation. So we will talk about the

Welded Steel Pipe: Control of Welding Slag Inclusion and Stomata Defects

When steel pipe manufacturer (such as Prime Steel Pipe) producing welded steel pipe, it is unavoidable that some welding slag inclusion and stomata defects may appear if workers don’t control very well during operation. So we will talk about the

Welded Steel Pipe: Control of Welding Slag Inclusion and Stomata Defects

When steel pipe manufacturer (such as Prime Steel Pipe) producing welded steel pipe, it is unavoidable that some welding slag inclusion and stomata defects may appear if workers don’t control very well during operation. So we will talk about the

Welded Steel Pipe: Control of Welding Slag Inclusion and Stomata Defects

When steel pipe manufacturer (such as Prime Steel Pipe) producing welded steel pipe, it is unavoidable that some welding slag inclusion and stomata defects may appear if workers don’t control very well during operation. So we will talk about the

How to Increase the Stability of the SSAW Steel Pipe?

After the production of SSAW steel pipe, it should be stored.If we don’t do some measures to keep its stability, it will rust and be corroded. So we will talk about how to increase the stability of the spiral welded

How to Increase the Stability of the SSAW Steel Pipe?

After the production of SSAW steel pipe, it should be stored.If we don’t do some measures to keep its stability, it will rust and be corroded. So we will talk about how to increase the stability of the spiral welded

Submerged Arc Welding Process of SSAW Steel Pipe

SSAW steel pipe refers to the metal pipe with spiral seam that using submerged arc welding process to weld. There are complete production line of SSAW steel pipe in Prime Steel Pipe, we are positioned as a steel pipe manufacturer

Submerged Arc Welding Process of SSAW Steel Pipe

SSAW steel pipe refers to the metal pipe with spiral seam that using submerged arc welding process to weld. There are complete production line of SSAW steel pipe in Prime Steel Pipe, we are positioned as a steel pipe manufacturer

Advantages and Disadvantages of Welded Steel Pipe

The technology of welded steel pipe is continuous online production. So the thicker the wall thickness is, the greater the investment in the unit and welding equipment is, and welded steel pipe will have less economical efficiency and practical applicability.

Advantages and Disadvantages of Welded Steel Pipe

The technology of welded steel pipe is continuous online production. So the thicker the wall thickness is, the greater the investment in the unit and welding equipment is, and welded steel pipe will have less economical efficiency and practical applicability.

Material and Standard Classification of SSAW Steel Pipe

Material of SSAW steel pipe: SSAW steel pipe (also called spiral welded pipe) is the steel pipe with spiral seam that using strip coil as raw material, extrusion forming under normal temperature, and welding by automatic Double wire double-sided submerged

Material and Standard Classification of SSAW Steel Pipe

Material of SSAW steel pipe: SSAW steel pipe (also called spiral welded pipe) is the steel pipe with spiral seam that using strip coil as raw material, extrusion forming under normal temperature, and welding by automatic Double wire double-sided submerged