Hebei Yongqiang Pipeline Co., Ltd is a professional steel pipe supplier integrating R&D, production, and sales. Our products include Austenitic Stainless Steel Pipe, Duplex Stainless Steel Pipe, Alloy Steel Pipe, Casing Steel Pipe, Steel Pipe Fittings, Steel Flanges, etc.
Why Choose Us
Sales Market
Our company's business covers the Middle East, North Africa, South America, Southeast Asia, Central America and other regions, with an annual export value of more than 10 million US dollars.
Our Products
We offer a range of high-quality steel products, including Austenitic Stainless Steel Pipes, Alloy Steel Pipes, Casing Steel Pipes, and Steel Flanges. These products are designed to meet a variety of industrial needs.
Our Service
Our company can provide 24-hour service to discuss product parameters, prices, delivery dates, transportation and other details with customers.
Solution
If it is confirmed that the quality loss is caused by us, we will reissue the unqualified product or make a cash compensation.
Application in building structures: In skeleton frames, alloy steel is utilized to build sports arenas, tall buildings, runways, and bridges. Alloy steel has enough durability to sustain the architecture.
Pipeline products: Alloy steel pipes are fitted without any thermal processing and have a high level of longevity. Seamless and welded pipes are made of this type of steel.
Bearing products: Carrying heavy material is done by ball bearings made of alloy steel.
Railway tracks: Long and strong production of tracks is done with alloyed steel.
Coil products: Steel frames and side railings
Specification of Alloy Steel Pipe And Tube
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Specifications |
ASTM A 335 ASME SA 335 |
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Dimensions |
ASTM, ASME and API |
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Size |
1/8″NB TO 30″NB IN |
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Tubing Size |
1 / 2” OD up to 5” OD, customs diameters also available |
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Outer Diameter |
6-2500mm; WT:1-200mm |
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Schedule |
SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
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Grade |
STM A335 Gr. P5, P9, P11, P12, P21, P22 & P91, ASTM A213 – T5, T9, T11, T12, T22, T91, ASTM A691 |
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Length |
Within 13500mm |
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Type |
Seamless / Fabricated |
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Form |
Round, Hydraulic Etc |
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Length |
Single Random, Double Random & Cut Length. |
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End |
Plain End, Beveled End, Treaded |
The manufacturing of alloy steel pipes involves sophisticated processes to ensure optimal performance:
Alloying: Different alloying elements are carefully selected and added to the steel during the manufacturing process to impart specific properties.
Heat Treatment: Alloy steel pipes undergo heat treatment processes like quenching and tempering to achieve the desired hardness, toughness, and overall mechanical properties.
Precision Machining: Precision machining is employed to meet tight tolerances and ensure the pipes’ dimensional accuracy.
Types of Alloy Steel Pipe And Tube
Carbon Steel Tubing
It is typically used for heavy-duty efforts such as distilleries, infrastructures, and ships due to its exceptional strength and ability to withstand extreme stress.
Alloy Steel Tubing
Although all types of steel are technically alloys, not all of them are referred to as alloy steel. You can only say it’s alloy steel tubing if it is made with elements, such as boron, chromium, manganese, nickel, silicon, vanadium, and less common alloys including aluminum, copper, lead, zinc, titanium, and more.
Stainless Steel Tubing
Widely used in numerous industries, such as industrial, automotive, medical, food and beverage, and construction, stainless steel tubing is often used because of its exceptional properties, such as its resistance to corrosion, powerful strength, and low maintenance that instantly meet the application requirements of different fields.
Galvanized Steel Tubing
Galvanized steel tubing is made through a process called galvanization. It involves dipping the steel tubing into a bath of molten zinc to bond the surface of the steel, creating a protective layer.
Structural Steel Tubing
This is designed to be lightweight, strong, and durable making it ideal for use in a wide range of applications including building constructions, framing, supports, columns, bridges, and highway guardrails. It’s also useful for machinery manufacturing, agricultural equipment, and vehicle applications.
Surface Treatment Of Alloy Steel Pipe And Tube
Cleaning
Cleaning is a method of using a chemical agent to remove dirt from the surface of an object. It uses the surface pollutants or covering layers of the cleaning agent to chemically transform, dissolve, and peel off to achieve the effects of degreasing, rust removal, and decontamination.
Pickling
A long time ago, a method of rust removal was used more frequently. It was usually pickled by chemical and electrolytic methods. Pickling can remove scale, rust and old coatings. Sometimes it can be used as a secondary treatment after sandblasting.
Use tools to remove rust
Tool rust removal mainly uses a wire brush to grind the surface of steel pipes and steel materials, which can remove loose or raised scale, welding slag, rust and other surface treatments. The rust removal of manual tools can reach the rust removal level Sa2, and the rust removal of power tools can reach the rust removal level Sa3.
Mechanical equipment-rust removal of steel pipe shot blasting machine
The method of rust removal surface treatment of steel pipe shot blasting machine is to project the shot (steel sand or sand grains) onto the surface of the workpiece at a high speed and a certain angle, let the shot impact the surface of the steel pipe, and then repeat the shot circulation system inside the machine.
Certificate
FAQ
We're professional alloy steel pipe and tube manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy or wholesale high-grade alloy steel pipe and tube from our factory.
stainless steel precision tube, super duplex steel pipes