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2023-11-06Product News
Featured Grades P11 P22 P91 of ASTM A335 Alloy Steel Pipes
ASTM A335 pipe(also known as chrome moly pipe) is a seamless ferritic alloy steel pipe for high temperature service，which is popular in grades P5, P9, P11, P22, and P91. ASTM A335 alloy steel pipes have strong corrosion resistance, high tensile strength, high temperature strength and high cost-effectiveness. The most common use of featured grades P11, P22, and P91 of ASTM A335 alloy steel pipe is in the power industry and petro-chemical plants. How much do you know about ASTM A335 pipe? Continue reading to learn more.
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2023-11-06Product News
AISI 4140 Alloy Steel Pipe
AISI 4140 alloy is a low steel alloy whose chemical composition includes chromium, molybdenum and manganese. Its chemical composition contains manganese, which increases the toughness of AISI 4140 pipe, while chromium and molybdenum impart ductility. Other properties of this alloy grade include hardenability and high tensile strength, with a value of 655 MPa. AISI 4140 pipe has high impact resistance, high fatigue strength, excellent torsional strength, excellent toughness and very good wear resistance. Today, we will briefly introduce 4140 alloy steel pipe in this article.
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2023-11-03Product News
Thermal Deformation Method of LSAW Steel Pipe
Longitudinal Submerged Arc Welded (LSAW) steel pipes are subject to thermal deformation during the welding process. Thermal deformation can result in shape distortions, residual stresses, and other issues if not properly controlled. To manage thermal deformation in LSAW steel pipe production, several methods are used.
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2023-11-03Product News
Methods to SSAW Steel Pipe Corrosion Control
SSAW (Spiral Submerged Arc Welded) steel pipes are commonly used in various industries, including oil and gas, water transportation, and construction. Corrosion control is essential to ensure the longevity and performance of these pipes. Here are several methods to control corrosion in SSAW steel pipes.
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2023-11-03Product News
Oil Casing pipe Thread Defects
Thread defects in oil casing pipes can lead to serious issues in oil and gas operations, including leaks, structural weaknesses, and difficulties in assembling and disassembling equipment. These defects can result from various factors, including manufacturing processes, handling, and environmental conditions. United Steel Industry will talk about some common thread defects in oil casing pipes in this article.
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2023-11-02Product News
DIN 30670 PE Coated Pipe
DIN 30670 outlines the criteria governing the application of factory-applied coatings featuring a three-layer extruded polyethylene or polyethylene-based formulation. These coatings are designed to safeguard steel pipes and components from corrosion. The DIN 30670 coating is applicable to longitudinal, DSAW (Double Submerged Arc Welded) pipes, seamless steel pipes, and fittings employed in pipeline construction to transport liquids or gases. This coating system proves effective in safeguarding steel pipes, whether buried underground or submerged in water, within a temperature range extending from -40°C to +80°C.
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2023-11-02Product News
Production Elements and Characteristics of LSAW Steel Pipe
LSAW (longitudinal submerged arc welded) steel pipe is a steel pipe manufactured through the submerged arc welding process and has a series of production factors and characteristics. The following are the production elements and characteristics of LSAW steel pipes.
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2023-11-02Product News
Manufacturing Defects of SSAW Steel Pipe
Manufacturing defects can occur in Submerged Arc Welded (SAW) steel pipes during the production process. Identifying and addressing these defects is essential to ensure the quality and integrity of the pipes. United Steel Industry will introduce some common manufacturing defects in SSAW steel pipes in this passage.
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2023-11-01Product News
ASTM A179 Cold Drawn Seamless Carbon Steel Pipe
ASTM A179 is a standard specification for cold-drawn, seamless carbon steel heat-exchanger and condenser tubes. This standard covers a specific type of steel pipe that is primarily used in applications involving heat exchange and condensation in various industrial processes, particularly in boilers, heat exchangers, and similar equipment. In this passage, United Steel Industry will talk about ASTM A179 cold drawn seamless carbon steel pipes in details.
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2023-11-01Product News
JIS G 4053 SNCM 439 Seamless Steel Pipe
JIS G 4053 SNCM 439 is a Japanese industrial standard that specifies the chemical composition and mechanical property requirements for steel SNCM 439. SNCM 439 is a low-carbon alloy steel that is usually used in the manufacture of high-strength, high-toughness parts, such as bearings, gears, pins, etc. "Seamless steel pipes" are a product form that can be manufactured to this standard to meet specific application needs. Below is some key information about JIS G 4053 SNCM 439 seamless steel pipe.
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2023-11-01Product News
DIN 2391 ST52 Seamless Steel Pipes
DIN 2391 ST52 is a standard specification for seamless precision steel tubes. These tubes are primarily used in hydraulic and pneumatic systems, as well as in automotive and mechanical engineering applications. ST52 refers to the material grade, and it is a commonly used grade in the manufacturing of seamless steel pipes. This article will talk about DIN 2391 ST52 seamless steel pipes, read on to learn more.
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2023-10-31Product News
ASTM A210 Seamless Carbon Steel Boiler Tube
ASTM A210 is a standard specification for seamless medium-carbon steel boiler and superheater tubes, used for high-pressure service. These tubes are typically used in boilers, heat exchangers, and superheaters in various industries. Here are the key specifications for ASTM A210 seamless carbon steel boiler tubes.
