Introduction to ASTM A519 Tubes
Perfect mechanical tubing made for high-performance industrial uses needing strength, toughness, and dimensional correctness, ASTM A509 tubes are seamless. Either hot-finished or cold-finished techniques make these tubes from carbon and alloy steels. Applications including automobile parts, industrial components, fluid power systems, and structural uses call for ASTM A518 seamless tubes. Their great mechanical qualities and dependability under duress make them a preferred choice in many different fields.
ASTM A519 Tubes Standards and Specifications
| Standard | Description | Application |
|---|---|---|
| ASTM A519 | Mechanical tubing for seamless carbon and alloy steel standard specification. | Applied in structural, mechanical, and automotive spheres. |
| SAE J524 / J525 | Specifications for smooth low carbon steel tubing meant for hydraulic system application. | Perfect for fluid power systems, hydraulic and pneumatic uses. |
| ASME SA519 | ASTM A510 version accepted by ASME fit for boiler and pressure vessel parts. | Often found in pressure vessels, boilers, and high-stress settings. |
| ISO / EN / DIN | International standards accessible upon demand to satisfy regional compliance criteria. | Applied by clients worldwide needing conformance to European or international standards. |
All materials comply with relevant standards and are tested for dimensional, mechanical, and chemical compliance.
ASTM A519 Chemical Composition
ASTM A509 tubes have different chemical compositions depending on the grade—commonly AISI 1018, 1020, 1045, 4130, 4140). Typical compositions consist of:
| Element | Composition Range (%) |
|---|---|
| Carbon (C) | 0.15 – 0.48 |
| Manganese (Mn) | 0.60 – 1.35 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.040 |
| Chromium (Cr) | 0.40 – 1.10 (in alloys) |
| Molybdenum (Mo) | 0.15 – 0.25 (in alloys) |
High strength, stress resistance, and great machinability are guaranteed by the precise chemical composition.
ASTM A519 Tubes Mechanical Properties
ASTM A519 tubes offer superior mechanical properties, making them ideal for demanding mechanical and structural applications:
| Property | Typical Values | Notes |
|---|---|---|
| Tensile Strength | Up to 850 MPa | Varies by grade and heat treatment; ensures high structural integrity. |
| Yield Strength | Up to 600 MPa | Provides excellent resistance to deformation under stress. |
| Hardness | Brinell 140 – 280 HB | Depends on grade and processing method (annealed, normalized, etc.). |
| Elongation | Typically 10% – 25% | Indicates ductility and ability to withstand forming operations. |
These properties can be tailored through heat treatment processes such as annealing, normalizing, quenching, and tempering.
ASTM A519 Tube Manufacturing Process
ASTM A519 tubes are manufactured using either hot-finished or cold-drawn methods. The manufacturing process includes:
| Stage | Description |
|---|---|
| 1. Billet Heating | High-quality steel billets are heated to the appropriate temperature for forming. |
| 2. Hot Piercing | Billets are pierced to form a hollow shell using rotary piercing or extrusion techniques. |
| 3. Cold Drawing | Tubes are cold drawn to refine dimensions, surface finish, and mechanical properties. |
| 4. Heat Treatment | Optional processes like annealing, normalizing, quenching, or tempering to achieve desired specs. |
| 5. Straightening & Cutting | Tubes are straightened and cut to specific lengths with tight dimensional tolerances. |
| 6. Inspection & Testing | Non-destructive tests (e.g., eddy current, ultrasonic) and dimensional checks ensure quality. |
This process ensures that each tube meets dimensional accuracy, surface finish, and mechanical performance standards.
Applications of ASTM A519 Tubes
ASTM A509 tubes find application in many sectors where dependability and performance are of great importance:
- Automotive Industry: Axle shafts, suspension parts, and steering components
- Oil & Gas: Hydraulic cylinders, drill collars, and pump housings
- Mechanical Engineering: Machine frames, press columns, and precision equipment
- Construction: Structural members and load-bearing components
- Aerospace: Landing gear components and structural tubes
Available Grades & Sizes
Commonly supplied grades include AISI 1018, 1020, 1045, 4130, 4140.
Available sizes range from:
- Outer Diameter: 6 mm to 350 mm
- Wall Thickness: 0.5 mm to 50 mm
- Length: Custom lengths up to 12 meters
Have questions about A519 Corten steel Tube? Get in touch with us for more information!
Trusted Global Supplier of ASTM A509 Tubes
Consumers from more than eighty countries rely on us globally as their consistent supply of ASTM A509 tubes. Certified under ISO 9001:2015, our production facility is completely ready to generate products satisfying high worldwide standards. Every tube guarantees quality by passing thorough Third-Party Inspections (TPI) and being supplied with comprehensive Material Test Reports (MTRs), thus providing absolute traceability and assurance. You must need tubes right now. Our extensive range of ready stock in many sizes allows fast delivery. Standard won’t always cut it either, so we also provide custom solutions for some alloys, dimensions, and tolerances. This mix of speed, versatility, and quality makes us the best friend for your significant technical and structural needs.
FAQs
ASTM A509 tubes find mechanical applications in hydraulic systems, structural supports, automotive components, oil and gas apparatus.
ASTM A509 does, in fact, cover seamless mechanical tubes generated without welds for maximum strength and performance.
 Hot-finished tubes have a rougher surface and are more affordably priced, even if cold-drawn tubes offer tighter tolerances and a better finish.
Common grades based on use and required strength fall between AISI 1018 and 4140.
Common grades fall from AISI 1018 to 4140 depending on the application and required strength.
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