STEEL PIPE

Showing 21–40 of 61 results

ASTM A210 Boiler Tube

ASTM A210 Boiler Tube is a seamless medium carbon steel tube for ASTM A210/ASME SA210 boilers and superheaters. ASTM A210/ASME SA210 standard applies to seamless medium carbon steel tubes for boilers and superheaters. ASTM A210 Boiler Tubes include seamless steel tubes with small wall thickness for boiler tubes, boiler flue tubes, safety ends, domes and support tubes, and superheater tubes. The production methods of steel tubes under ASTM A210/ASME SA210 standards include hot rolling, cold drawing and hot expansion. The delivery state is usually hot rolled or heat treated. These production methods ensure the quality and performance stability of the steel tubes during the manufacturing process.

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ASTM A213 Boiler Tube

ASTM A213 Boiler Tube is a special steel pipe for high-temperature and high-pressure steam pipelines, also known as boiler tubes. It is usually made of carbon steel or alloy steel, with excellent high temperature resistance, corrosion resistance and pressure resistance, and is widely used in petroleum, chemical, electric power, construction and other fields.

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ASTM A335 P22 Alloy Steel Pipe

ASTM A335 P22 Alloy Steel Pipe is a high-pressure alloy pipe, also known as 10CrMo910 steel pipe, which is a special steel pipe used in high temperature and high pressure environments. It has good thermal strength and oxidation resistance and is widely used in petrochemical, electric power, aerospace and other industrial fields.

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ASTM A335 P5 Alloy Steel Pipe

ASTM A335 P5 Alloy Steel Pipe is mainly composed of alloy elements and high-quality carbon steel, alloy structural steel or stainless heat-resistant steel. These alloy elements play a key role in the steel pipe manufacturing process and can significantly improve the mechanical properties and heat resistance of the steel pipe. The domestic material corresponding to ASTM A335 P5 Alloy Steel Pipe is usually 1Cr5Mo or Cr5Mo, which has good oxidation resistance, corrosion resistance and organizational stability, and high thermal strength.

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ASTM A335 P9 Alloy Steel Pipe

ASME SA335/ASTM A335 P9 Alloy Steel Pipe is a ferritic alloy seamless steel pipe for high temperature conditions. The main manufacturing purpose of ASTM A335 P9 Alloy Steel Pipe is to serve high temperature, high pressure and ultra-high pressure boilers. It is widely used to manufacture key components such as superheater tubes, reheater tubes, gas guide tubes and main steam pipes. In the petrochemical industry, the manufacture of high temperature boilers, superheaters, heat exchangers and pipe fittings is also inseparable from ASTM A335 P9 high temperature alloy pipes. It can maintain stable physical and chemical properties under high temperature environment to ensure the safe and efficient operation of related equipment.

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ASTM A335 P91 Alloy Steel Pipe

A335 P91 Alloy Steel Pipe is equivalent to the national standard 10Cr9Mo1VNb. T91/P91 (10Cr9Mo1VNb). A335 P91 Seamless Steel Pipe not only has high oxidation resistance and high temperature steam corrosion resistance, but also has good impact toughness and high and stable long-lasting plasticity and thermal strength. When the use temperature is lower than 620℃, its allowable stress is higher than that of austenitic stainless steel. Above 550℃, the recommended design allowable stress is about twice that of T9 and 2.25Cr-1Mo steel.

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ASTM A519 4130 Honed Steel Tubing For Hydraulic Cylinder

ASTM A519 4130 Honed Steel Tubing for Hydraulic Cylinders is a seamless American standard steel tube made from 4130 alloy steel through cold drawing or cold rolling. It features high dimensional precision and a superior surface finish, making it suitable for precision components in mechanical structures, hydraulic equipment, and other applications.
1. Standard: ASTM A519
2. Materials: 4130
3. Technical: Cold-drawn seamless
4. Technology: Honed & SRB (Skived and Roller Burnished).
5. Application: Used in hydraulic cylinders for heavy machinery, cranes, excavators, and forklifts.
6. OD: 4-260mm WT: 5-25mm

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ASTM A519 GR.4130 Seamless Alloy Steel Tube

ASTM A519 GR.4130 Seamless Alloy Steel Tube is a seamless chromium-molybdenum alloy structural steel tube specified in the ASTM standard “Seamless Carbon and Alloy Steel Tubes for Machine Use” (A519/A519M). “4130” is the SAE/AISI steel grade (UNS G41300), specifically designed for manufacturing mechanical parts subjected to high stress and requiring good comprehensive mechanical properties.

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ASTM A519 GR.4140 Seamless Alloy Steel Tube

ASTM A519 GR.4140 Seamless Alloy Steel Tube is an American standard medium-carbon chromium-molybdenum alloy seamless steel tube, corresponding to the domestic grade 42CrMo. It possesses high strength, high hardenability, and good toughness. This material is commonly used to manufacture high-load-bearing mechanical parts, such as drive shafts, gears, and oil drilling tools.

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ASTM A53 Steel Pipe

ASTM A53 Steel Pipe is a carbon steel pipe standard developed by the American Society for Testing and Materials (ASTM). Its full name is “ASTM A53 – Seamless and Welded Steel Pipe.” It is primarily classified into two types:
1. ASTM A53 Steel Pipe Seamless (Type S): Produced through hot rolling or cold drawing, it has no welds and offers enhanced pressure resistance, making it suitable for high-pressure applications.
2. ASTM A53 Steel Pipe Welded (Type E/F): Type E is electric resistance welded (ERW), while Type F is furnace welded. These are lower-cost and primarily used for low-pressure fluid transportation.

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Boiler Steel Pipe

Boiler steel pipes are critical pressure-bearing components used in boilers and thermal equipment for conveying high-temperature, high-pressure media. Their materials must possess good high-temperature strength, oxidation resistance, and structural stability.

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Carbon Steel Pipe

Carbon steel pipes are steel pipes made primarily of carbon steel (carbon content typically ≤2.1%). They combine high strength, good machinability, and cost advantages, but have poor corrosion resistance. Based on manufacturing processes, they are mainly divided into seamless pipes (hot-rolled/cold-drawn) and welded pipes (straight seam/spiral/high-frequency welded), and can be further subdivided according to application and steel grade.

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CK45 Honed Steel Tube

CK45 Honed Steel Tube is a precision steel tube widely used in industry.
CK45 Honed Steel Tube uses 45# steel as its base material, a carbon structural steel with a moderate carbon content that balances strength and toughness.
CK45 Honed Steel Tube undergoes a honing process to achieve a high surface finish and dimensional accuracy on the inner wall of the tube. The honing process uses tools such as a grinding stone to micro-cut the inner wall of the tube, removing machining marks left by previous processes and creating a uniform cross-weave pattern that facilitates lubricant storage and distribution.

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Coated Steel Pipe

Coated steel pipe is a kind of pipe with wide application prospect and economic value. Its characteristics of corrosion resistance, corrosion resistance, pressure resistance and long service life make it one of the ideal materials in various fields.Our company can produce and supply various specifications of pipes, anti-corrosion steel pipes, coated steel pipes, plastic-coated steel pipes, etc., with sufficient inventory.

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Cold Drawn Carbon Steel Hexagonal Tube

Cold Drawn Carbon Steel Hexagonal Tube is a type of hexagonal steel tube. Hexagonal tube, also known as hexagonal steel tube, is a special-shaped steel tube with a hexagonal cross-section made of steel. This tube is widely used in mechanical accessories, building structures, automobile and shipbuilding, etc., covering a specification system with a cross-sectional size of 12.7-400mm and a wall thickness of 0.6-20mm.

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DIN2391 ST52 Honed Tube and Pipes

DIN2391 ST52 Honed Tube and Pipes are high-precision cold-drawn seamless steel tubes widely used in hydraulic systems, construction machinery, and automotive precision components. They conform to DIN2391-1 or GB3639-83 standards. Made primarily of carbon steel, DIN2391 ST52 Honed Tube and Pipes undergo cold drawing/cold rolling, pickling, and phosphating processes. They exhibit high precision (inner diameter accuracy up to ±0.02-0.05mm) and low surface roughness, and are capable of withstanding high pressures and resisting deformation.

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EN 10305-1 E355 Hydraulic Cylinder Honed Steel Pipe

EN 10305-1 E355 Hydraulic Cylinder Honed Steel Pipe is processed through cold drawing and hot rolling, achieving high precision and strength, making it suitable for mechanical structural components and hydraulic equipment. Hydraulic Cylinder Honed Steel Pipe is available in a wide range of specifications, with inner diameters ranging from 20mm to 400mm and wall thicknesses ranging from 3mm to 50mm.

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ERW Steel Pipe

ERW steel pipe is straight seam electric resistance welded pipe, English Electric Resistance Welding, abbreviated as ERW, used to transport oil, natural gas and other vapor and liquid objects.

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Galvanized Rectangular Tube

Galvanized rectangular tube are also called flat tubes, flat square tubes or square flat tubes. They are hollow long steel strips with rectangular cross-sections. They belong to cold-bent hollow steel sections.

Galvanized rectangular tubes are made of strip steel. After unpacking, flattening, curling, and welding into round tubes, they are rolled into square rectangles. The surface galvanized layer can form an oxide protective layer.

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Galvanized Square Steel Tube

Galvanized Square Steel Tube is a hollow square section steel tube with square cross-section shape and size made of hot-rolled or cold-rolled galvanized strip steel or galvanized coil as blank, cold-bent and then welded by high-frequency welding, or a galvanized square tube made of pre-made cold-bent hollow steel tube by hot-dip galvanizing.

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