ASTM A519 1050 Seamless Carbon Steel Mechanical Tubing (UNS G10500)
ASTM A519 1050 seamless tubing is a high-carbon mechanical steel grade known for its superior tensile strength, excellent machinability, and enhanced wear resistance. Manufactured through a hot-finished or cold-drawn process, A519 1050 tubes are widely used in automotive components, hydraulic cylinders, machinery parts, shafts, and structural applications where durability and hardness are essential.
Key Features
- UNS G10500 high-carbon steel with excellent strength
- High wear resistance & surface hardness after heat treatment
- Good machinability for precision components
- Suitable for quenching & tempering operations
- Superior dimensional accuracy in cold-drawn tubes
- Ideal for mechanical, automotive & structural uses
Equivalent Grades
| Standard |
Grade |
| UNS |
G10500 |
| AISI / SAE |
1050 |
| JIS |
S50C |
| EN |
C50E / C50 |
| DIN |
C50E / 1.1206 |
Available Sizes
Outside Diameter (OD):
Wall Thickness (WT):
Lengths:
- 3 meters, 6 meters, 9 meters, 12 meters
- Custom cut lengths available
ASTM A519 1050 Chemical Composition
| Element |
Content (%) |
| Carbon (C) |
0.48 – 0.55 |
| Manganese (Mn) |
0.60 – 0.90 |
| Phosphorus (P) |
≤ 0.040 |
| Sulfur (S) |
≤ 0.050 |
| Silicon (Si) |
0.15 – 0.35 |
| Iron (Fe) |
Balance |
ASTM A519 1050 Mechanical Properties
| Property |
Value |
| Tensile Strength |
620 – 760 MPa |
| Yield Strength |
350 – 460 MPa |
| Elongation |
10 – 20% |
| Hardness (HBW) |
167 – 217 |
| Impact Strength |
Good (varies by heat treatment) |
Physical Properties
| Property |
Value |
| Density |
7.85 g/cm³ |
| Melting Point |
~1510°C |
| Modulus of Elasticity |
205 GPa |
| Thermal Conductivity |
51 W/m-K |
| Electrical Resistivity |
0.14 µΩ·m |
Types of Grade 1050 Tubing
- Hot Finished Seamless Tubes
- Cold Drawn Seamless Tubes
- Annealed Tubes
- Normalized Tubes
- Quenched & Tempered Tubes
- Precision Mechanical Tubes
- Hydraulic Cylinder Tubes
- Boiler & Heat-Exchange Tubes
Applications
- Automotive Parts
- Machinery & Machine Components
- Shafts, Axles, Pins, Studs
- Hydraulic Cylinder Tubes
- Structural & Mechanical Applications
- Agricultural Equipment
- Gear Components
- Industrial Rollers
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