We are committed to the industries and are constantly enhancing our business model in support of our core mission of highest quality seamless boiler tubes, rectangular steel tube, DIN2391 1045 Seamless Steel Tubes, lowest cost and shortest delivery time. We will continue to improve the company's management level and business quality, and provide users with more complete services and quality products. In terms of product selection and after-sales service, customers can enjoy professional services. We firmly believe that 'continuous customer satisfaction' is the key to enterprise development, so we take the lead in using advanced customer service solutions and establishing industry-leading quality service standards to achieve customer satisfaction and reputation. We will continue to adhere to the company's business philosophy, continue to provide users with better service, welcome new and old customers to contact us and establish long-term, friendly cooperation.
ASTM A519 Seamless Automotive Steel Tube
Material, Specification, Key Features
ASTM A519 is a standard specification for seamless carbon and alloy steel mechanical tubing used in various automotive applications. This specification covers several grades of carbon and alloy steel seamless mechanical tubing.
Material:
Carbon Steel
Alloy Steel
ASTM A519
Seamless
Cold drawn or hot finished
Key Features:
Seamless construction ensures uniformity and strength
Wide range of sizes and shapes available
Suitable for high-stress applications in automotive engineering
Excellent machinability and weldability
Chemical Composition
| Element | Composition (%) |
| Carbon (C) | 0.18-0.23 |
| Manganese (Mn) | 0.30-0.60 |
| Phosphorus (P) | 0.040 max |
| Sulfur (S) | 0.040 max |
| Silicon (Si) | 0.15-0.35 |
Mechanical Properties
| Property | Minimum Values |
| Tensile Strength | 580 MPa |
| Yield Strength | 420 MPa |
| Elongation | 10% (50mm gauge) |
| Hardness (Brinell) | 150-200 HB |
Physical Properties
| Property | Value |
| Density | 7.85 g/cm³ |
| Thermal Conductivity | 46.6 W/mK |
| Specific Heat Capacity | 486 J/kg-K |
Process Performance
| Property | Performance |
| Weldability | Excellent |
| Machinability | Good |
| Formability | Good |
| Heat Treatment | Hardenable |
Steel Grade
ASTM A519 Grade 1020
ASTM A519 Grade 1026
ASTM A519 Grade 4130
ASTM A519 Grade 4140
Application
The ASTM A519 seamless automotive steel tube finds application in various automotive components such as:
Suspension systems
Drive shafts
Steering columns
Chassis components
Hydraulic cylinders
Possible Alternative Grades
While ASTM A519 offers a comprehensive range of grades suitable for automotive applications, some alternative grades that may be considered include:
SAE J524 for low-carbon steel tubing
DIN 2391 for precision steel tubes
JIS G3445 for carbon steel tubes for machine structural purposes
Based on our years of experience and expertise, we are able to provide high quality ASTM A519 Gr. B Seamless Cold Drawn Steel Pipe and the best service to our customers. The company is determined to bring you a comfortable and harmonious living environment. The design style focuses on the four principles of fashion, elegance, comfort and practicality, and brings quiet and comfortable home enjoyment to modern people who live in stress. Strengthening the brand culture construction is the key to build a well-known brand.
Hot Tags: astm a519 seamless automotive steel tube, China, suppliers, manufacturers, factory, customized, wholesale, price, OEM, mill, producer, for sale, astm a213 t91, cold drawn pipe, SAE 4140 Mechanical Precision Steel Tubes, seamless carbon steel, seamless precision steel tube, 310S Seamless Stainless Steel Tube