Monthly Archives: February 2016

Difference between Hot Stretch Reducing Pipe and LSAW Steel Pipe

Difference between hot stretch reducing pipe and LSAW steel pipe are basically has the following two points:

Difference between Hot Stretch Reducing Pipe and LSAW Steel Pipe

Difference between hot stretch reducing pipe and LSAW steel pipe are basically has the following two points:

Transverse Cracks Maintenance of LSAW Steel Pipe

Transverse crack after lsaw steel pipe measures rework appear, specifically: 1. Confirm defect All welds 100% UT inspection, crack marked location, length, depth and direction. If the entire weld has defects, the proposed dig out the entire re-submerged arc weld,

Transverse Cracks Maintenance of LSAW Steel Pipe

Transverse crack after lsaw steel pipe measures rework appear, specifically: 1. Confirm defect All welds 100% UT inspection, crack marked location, length, depth and direction. If the entire weld has defects, the proposed dig out the entire re-submerged arc weld,

Requirements of Large-caliber LSAW Steel Pipe Performance to Construction

In addition to large-caliber lsaw steel pipe as a structural material generally has good mechanical and process performance, but also has the use of stainless steel corrosion environment, maintaining the appearance of fine excellent characteristics, but also with acid and

Requirements of Large-caliber LSAW Steel Pipe Performance to Construction

In addition to large-caliber lsaw steel pipe as a structural material generally has good mechanical and process performance, but also has the use of stainless steel corrosion environment, maintaining the appearance of fine excellent characteristics, but also with acid and

Lamination Defect Control Measures of Spiral Steel Pipe

Lamination defect control measures of spiral steel pipe is following below: 1, to improve the toughness of plastic tube Improve the cleanliness of molten steel, to reduce the harmful inclusions; increase the proportion of the slab crystal axis, to reduce

Lamination Defect Control Measures of Spiral Steel Pipe

Lamination defect control measures of spiral steel pipe is following below: 1, to improve the toughness of plastic tube Improve the cleanliness of molten steel, to reduce the harmful inclusions; increase the proportion of the slab crystal axis, to reduce

Eddy Current Testing Analytical Works of Thick-walled Spiral Pipe

AC electromagnetic coil eddy current testing to the surface of the metal member induced eddy current NDT techniques. It is suitable for conductive materials, including defects in ferromagnetic and non-ferromagnetic metallic material component testing. Since the eddy current testing is

Eddy Current Testing Analytical Works of Thick-walled Spiral Pipe

AC electromagnetic coil eddy current testing to the surface of the metal member induced eddy current NDT techniques. It is suitable for conductive materials, including defects in ferromagnetic and non-ferromagnetic metallic material component testing. Since the eddy current testing is

Technical Characteristics of Thick-walled Spiral Pipe in Production Process

1. Thick-walled spiral pipe forming process, the steel deformation even small residual stress, surface does not produce scratches. Processing of steel in the diameter and wall thickness of pipe sizes range, greater flexibility, especially in the production of high-grade steel

Technical Characteristics of Thick-walled Spiral Pipe in Production Process

1. Thick-walled spiral pipe forming process, the steel deformation even small residual stress, surface does not produce scratches. Processing of steel in the diameter and wall thickness of pipe sizes range, greater flexibility, especially in the production of high-grade steel

Corrosion Insulation Performance of Spiral Steel Pipe

Anti-corrosion insulation pipe with corrosion resistance of steel, and has good insulation properties, has been widely used and promoted in building construction, and constantly improve and spread. Corrosion pipe insulation having different processing types and methods, different processing method to

Corrosion Insulation Performance of Spiral Steel Pipe

Anti-corrosion insulation pipe with corrosion resistance of steel, and has good insulation properties, has been widely used and promoted in building construction, and constantly improve and spread. Corrosion pipe insulation having different processing types and methods, different processing method to

Pre-welding process for LSAW Steel Pipe

LSAW steel pipes (UOE, JCOE) manufacturing processes, welding processes are set to continuous advance. Its role is to be finalized after the tube forming, shaping and positioning within the weld seam on the back cover, in order to ensure the

Pre-welding process for LSAW Steel Pipe

LSAW steel pipes (UOE, JCOE) manufacturing processes, welding processes are set to continuous advance. Its role is to be finalized after the tube forming, shaping and positioning within the weld seam on the back cover, in order to ensure the

International Shipping Terminology

Ex Works (EXW) This term means that the seller delivers when it places the goods at the disposal of the buyer at the seller’s premises or at another named place (i.e., works, factory, warehouse, etc.). The seller does not need

International Shipping Terminology

Ex Works (EXW) This term means that the seller delivers when it places the goods at the disposal of the buyer at the seller’s premises or at another named place (i.e., works, factory, warehouse, etc.). The seller does not need

Various Influence Factors of Steel Hardenability

Due to the high hardenability and strengthening the role of alloying elements, some high strength martensitic stainless steel, high speed tool steel and high-strength alloy steel. Often in the quench (or tempering) after a high-temperature tempering, the steel carbide appropriate

Various Influence Factors of Steel Hardenability

Due to the high hardenability and strengthening the role of alloying elements, some high strength martensitic stainless steel, high speed tool steel and high-strength alloy steel. Often in the quench (or tempering) after a high-temperature tempering, the steel carbide appropriate

Welding Technology of LSAW Steel Pipe

Molding method for manufacturing large diameter lsaw steel pipe are UOE molding method, a row of roll forming method (CFE), CE molding. For the vast majority of the final steps of the molding process is to conduct a post-weld tube

Welding Technology of LSAW Steel Pipe

Molding method for manufacturing large diameter lsaw steel pipe are UOE molding method, a row of roll forming method (CFE), CE molding. For the vast majority of the final steps of the molding process is to conduct a post-weld tube

Proper way to preserve spiral pipe

1) Storage space spiral steel pipe products or warehouse, should be selected in clean, smooth drainage area, away from harmful gases or dust in factories and mines. The presence on the ground to clear the weeds and all the debris,

Proper way to preserve spiral pipe

1) Storage space spiral steel pipe products or warehouse, should be selected in clean, smooth drainage area, away from harmful gases or dust in factories and mines. The presence on the ground to clear the weeds and all the debris,

The Causes of Large Diameter Spiral Pipe Wrong Side

http://www.primesteeltube.com The causes of large diameter spiral pipe wrong side: large diameter spiral steel pipe production, the wrong side have occurred with many of its factors. In the production practice, often the wrong side of the ultra-poor leaving dry pipe

The Causes of Large Diameter Spiral Pipe Wrong Side

http://www.primesteeltube.com The causes of large diameter spiral pipe wrong side: large diameter spiral steel pipe production, the wrong side have occurred with many of its factors. In the production practice, often the wrong side of the ultra-poor leaving dry pipe