A519 Mechanical structure tube is a type of steel pipe formed by punching through round steel, with no welds on the surface. According to the production method, seamless steel pipes are divided into hot-rolled seamless steel pipes, cold-rolled seamless steel pipes, cold-drawn seamless steel pipes, and hot-expanded seamless steel pipes. Seamless steel pipes are classified into two types based on their cross-sectional shape: circular and special-shaped.

The A519 Mechanical structure tube is a type of steel tubing primarily used in mechanical applications, such as structural engineering, manufacturing, and machinery. This tube is made in accordance with the ASTM A519 specification, which outlines the standards for seamless mechanical steel tubes. The A519 tube is known for its high strength, durability, and ability to withstand harsh conditions, making it an ideal choice for industries such as automotive, aerospace, and construction.

Product: A519 Mechanical structure tube

Brand: Hengxin Zhicheng

Standards: ASTM, GB, ISO, etc. of various countries

Material/Steel Grade: 10 #, 20 #, A335, A53(A, B), A106(B, C), A179-C, ST37, ST42, ST35.8, St42-2, St45-8, S355, 10 #-45 #, A53-A369, ST35-ST52, AISI 1020/1045/1050, C75, S45C, P11, P12, etc.

Length: Can be made from 0.1m to 15m, customized according to customer requirements

Wall Thickness: Can be made from 1mm to 150mm

Outer Diameter: Can be made from 4mm to 1600mm

Surface: Can be painted, galvanized, oiled, etc.

Technology: Hot rolling, cold rolling, cold drawing, forging, hot expansion

Port: Shanghai Port or designated port

Packaging Details: Default bare pipe bundling, or packaging according to customer requirements, such as oil cloth packaging, wooden box packaging, frame packaging

Processing Services: Cutting, chamfering, painting, polishing, anti-corrosion, sealing

Payment Terms: Telegraphic Transfer

Trade Terms: EXW, FOB, CIF, DAP, DDP

Delivery Time: 10 to 35 days

Application Fields: Construction (underground pipelines, bridges, steel structure factories, etc.), mechanical processing (automobile parts, equipment manufacturing, etc.), electrical field (gas transmission pipelines, oil pipeline pipes)

Usage: For automotive parts, hardware components, steel structures, etc

Pictures:

Key Features of A519 Mechanical Structure Tubes：

Seamless Design：

The most significant characteristic of A519 tubes is their seamless design. The absence of seams in the tube’s structure ensures that the material has a uniform strength and can resist high internal pressures. Seamless tubes also provide excellent resistance to corrosion and fatigue, which enhances their reliability in demanding environments.

Wide Range of Sizes and Thicknesses：

A519 tubes are available in an extensive range of sizes, from small-diameter tubes used in precision applications to large-diameter tubes for heavy-duty applications. The thickness of the walls can also vary, depending on the application’s requirements. This versatility makes A519 tubes suitable for a broad spectrum of industries.

High Strength and Durability：

These tubes are designed to offer excellent mechanical properties. They are made from high-quality carbon and alloy steel, which provides superior strength, wear resistance, and overall durability. The high tensile strength of A519 tubes makes them particularly well-suited for applications involving high pressures or harsh operating conditions.

Precision in Manufacturing：

The A519 specification requires that the mechanical tubes be manufactured to precise dimensional tolerances. This ensures that the tubes will fit well in their intended applications, whether used for structural components or machinery parts. The tubes are also heat-treated to optimize their properties, including toughness and strength.

Applications:

Applications of A519 Mechanical Structure Tubes：

A519 mechanical structure tubes are used in a variety of industries due to their high strength and excellent mechanical properties. Some common applications include:

Automotive Industry：

In the automotive industry, A519 tubes are used in the production of components that need to endure high stresses and temperatures. These include exhaust systems, suspension components, and chassis parts. The high strength-to-weight ratio of these tubes makes them ideal for lightweight yet durable automotive parts.

Aerospace Industry：

The aerospace sector demands materials that offer high strength, low weight, and the ability to perform in extreme environments. A519 mechanical structure tubes are used in the manufacturing of aircraft parts such as fuselages, wings, and engine components. These tubes meet stringent performance standards required for aerospace applications.

Construction and Structural Applications：

A519 tubes are widely used in construction for creating structural frames, columns, and beams. Their ability to handle heavy loads and resist wear makes them suitable for use in both commercial and industrial construction projects. Additionally, they are often used for pipelines in construction, offering a reliable solution for transferring fluids or gases.

Oil and Gas Industry：

The oil and gas sector requires materials that can withstand extreme pressures and temperatures. A519 tubes are used in drilling operations, pipelines, and in other oilfield equipment. Their resistance to corrosion and high pressure makes them ideal for environments where reliability and performance are critical.

Company profile:

Since its establishment in 2014, Wuxi Hengxin Zhicheng Co., Ltd. has rapidly grown into a leading enterprise in the steel manufacturing industry. We focus on the research, production and sales of seamless steel pipes, Special-shaped steel pipes and hydraulic cylinders, and are committed to providing customers with high-quality, customizable products that fully meet diverse application needs.

Our products are exported to global markets such as the Middle East, South America, Africa, and Southeast Asia, and are highly trusted by large purchasers and customers in the steel industry. We always prioritize quality, reliability and customer service, and attach great importance to establishing long-term and stable cooperative relationships with customers. We provide each customer with tailor-made solutions.

We continuously promote technological innovation and improve service capabilities and production efficiency. Through an efficient online platform, you can browse our best-selling products at any time and communicate with the sales and support teams in real time to conveniently obtain the information you need. We sincerely invite partners from all countries to visit, exchange and provide guidance, and jointly explore more possible cooperation opportunities!

Certification:

Packaging and Transportation:

【Package standard】

We use steel bands to tightly package the products into hexagonal bundles. The structure is stable and not prone to deformation. Each bundle is equipped with two high-strength nylon straps to ensure the safety and convenience of the lifting operation.

To meet various maritime transportation needs, we offer a range of customized packaging options, including full coverage with oilcloth, moisture-proof wooden boxes, and high-strength protective frame packaging, to ensure the maximum safety of goods during transportation.

【Guarantee for transportation】

We offer 20-foot and 40-foot standard container transportation services. Each container can carry up to 25 tons of goods and we can accept trial orders with a minimum of 5 tons. This allows for flexible adaptation to your purchasing scale. All packaging complies with maritime shipping standards to ensure that the goods are delivered to the destination efficiently and safely.

Why us?

We focus on the research, development, production and sales of seamless steel pipes, special-shaped steel pipes and hydraulic cylinders. We have a complete production chain and an advanced equipment system, including piercing machines, cold drawing machines, hot rolling machines, high-precision flaw detection and testing equipment. The company has passed multiple authoritative certifications such as ISO9001, API, SGS, CCS, DNV, ABS, CE, RoHS, etc., ensuring that each product complies with international standards. We are committed to providing customers with high-quality, customizable solutions to meet diverse application needs.

Relying on our own built processing base and modern workshops, combined with multiple branches and storage centers across the country, we have achieved sufficient inventory and efficient logistics coordination, significantly shortening the delivery cycle and ensuring the rapid delivery of orders.

We have established a complete service and support system. After the order is signed, the professional after-sales team can provide timely and safe on-site guidance and technical support to ensure that customers are at ease throughout the process from procurement to use.

FAQ：

1. Do you support customized design and production?

Sure. We have a professional engineering team that can conduct customized design and production with special sizes, control systems or OEM according to your requirements.

2. How fast can you deliver?

In stock sizes, it takes 3-5 days. For customized sizes, it takes 30-35 days.

3. What payment methods do you support?

We support TT payment. Generally, 30% to 50% of the payment is made in advance, and the remaining amount is paid before shipment.

4. Can you provide material certification (MTC)?

Yes, we will provide MTC to you after production is completed to ensure that the material quality meets the standards.

5. What is the minimum order quantity?

Generally, we accept trial orders. The minimum order quantity is 1-3 tons, which can be determined according to different products.