ASTM A36 / SA36 Round Bar (UNS K02600)
ASTM A36 / SA36 Round Bar is a low-carbon structural steel bar known for its excellent strength, toughness, and weldability. It is widely used in general fabrication, construction, and structural applications where reliable mechanical performance and cost efficiency are required.
Key Features
- Good strength and ductility
- Excellent weldability and formability
- Easy machinability for general fabrication
- Cost-effective structural carbon steel
- Suitable for structural and non-pressure applications
- Good impact resistance at ambient temperatures
Equivalent Grades
| Standard | Equivalent |
|---|---|
| ASTM | A36 |
| ASME | SA36 |
| EN | EN S235JR |
| DIN | St37-2 |
| IS | IS 2062 E250 |
Sizes
- Diameter: 6 mm to 300 mm
- Length: Random, Cut Length, or as per customer requirement
ASTM A36 / SA36 Chemical Composition
| Element | Percentage (%) |
|---|---|
| Carbon (C) | ≤ 0.29 |
| Manganese (Mn) | 0.80 – 1.20 |
| Phosphorus (P) | ≤ 0.040 |
| Sulfur (S) | ≤ 0.050 |
| Silicon (Si) | ≤ 0.40 |
| Iron (Fe) | Balance |
UNS K02600 Mechanical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength | 400 – 550 MPa |
| Yield Strength | ≥ 250 MPa |
| Elongation | ≥ 20% |
| Hardness | ~ 120 HB |
SA36 Physical Properties
| Property | Value |
|---|---|
| Density | 7.85 g/cm³ |
| Melting Point | ~1425 °C |
| Modulus of Elasticity | 200 GPa |
| Thermal Conductivity | 50 W/m·K |
Types of A36 / SA36 Round Bar
- Hot Rolled Round Bar
- Black Finish Round Bar
- Cut-to-Length Bar
- Machined Structural Bar
Applications
- Structural fabrication and construction
- Bridges and building frameworks
- Base plates and anchor bolts
- Machinery parts and shafts
- General engineering applications
- Automotive and industrial components
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