ASTM A519 Grade 1018 Seamless Mechanical Tubing
ASTM A519 1018 seamless mechanical tubing is a low-carbon steel grade known for its excellent weldability, superior machinability, and good surface finish. Manufactured using the hot-finished or cold-finished process, A519 Grade 1018 tubing is widely used in precision mechanical applications, automotive components, industrial equipment, axles, sleeves, hydraulic cylinders, and general engineering purposes. Its uniform grain structure and dimensional accuracy make it ideal for parts requiring close tolerances and high performance.
Key Features
- Low carbon content for excellent formability & weldability
- High machinability suitable for CNC & precision parts
- Superior dimensional accuracy
- Smooth surface finish for improved performance
- Suitable for heat treatment & case hardening
- Ideal for structural & mechanical applications
ASTM A519 1018 Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.15 – 0.20 |
| Manganese (Mn) | 0.60 – 0.90 |
| Phosphorus (P) | ≤ 0.040 |
| Sulfur (S) | ≤ 0.050 |
| Iron (Fe) | Balance |
ASTM A519 1018 Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 440 MPa (min) |
| Yield Strength | 370 MPa (min) |
| Elongation | 15% – 25% |
| Hardness | 126 – 180 HB |
| Modulus of Elasticity | 205 GPa |
Sizes
- Outside Diameter (OD): From 10 mm to 323.9 mm (or 1/2 inch to 12 3/4 inches)
- Wall Thickness: From 1 mm to 40 mm (or 0.040 inch to 1.575 inches)
- Length: Supplied in cut-to-length, single random length (SRL), and double random length (DRL) up to 12 meters
Available Types
- Hot Finished Seamless Tubing (HFS)
- Cold Drawn Seamless Tubing (CDS)
- Annealed / Normalized Tubes
- Stress Relieved Tubes
- Precision Mechanical Tubing
Applications
- Automotive components
- Shafts, axles & spindles
- Cylinders & hydraulic tubes
- Machinery parts
- Bushings & bearings
- Precision mechanical components
- Structural applications
Reviews
There are no reviews yet.