AISI 1040 Carbon Steel
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SAE/AISI 1040 Carbon Steel Composition, AISI 1040 Carbon Steel Properties, 1040 carbon steel mechanical properties, 1040 carbon steel equivalent, 1040 carbon steel pipe & Tube, 1040 hr steel yield strength, 1040 steel heat treatment.
Solitaire Steel is recognized as a highly reliable supplier of ASTM A519 Grade 1040 Carbon Steel Seamless Tubes from India. These medium carbon steel tubes contain 0.37-0.44% carbon and 0.60-0.90% manganese, making them strong, ductile, and durable for general-purpose applications worldwide. Manufactured to meet ASTM specifications, these tubes are also known as carbon steel tubings.
The ASTM A519 Grade 1040 specification covers various carbon and alloy steel seamless mechanical tubing. For welding, the technique must suit the grade and intended service. To get the best results, include a print or sketch of the required part, and we will assess the grade, chemical composition, and surface condition to recommend the ideal tube size.
AISI 1040 is a medium carbon steel known for its excellent hardness, strength, and ductility, making it suitable for manufacturing gears, shafts, and axles. Its outstanding heat resistance makes it ideal for applications requiring extreme temperatures, withstanding up to 800°C without losing its mechanical properties.
This combination of durability, heat resistance, and strength makes ASTM A519 Grade 1040 tubes a reliable choice for various engineering and industrial applications.
Carbon Steel AISI 1040 Specification
- ASTM A29 (1040)
- ASTM A513
- ASTM A546 (1040)
- ASTM A682 (1040)
- ASTM A830
- MIL S-16788
- SAE J1397 (1040)
- SAE J412 (1040)
- ASTM A510 (1040)
- ASTM A519 (1040)
- ASTM A576 (1040)
- ASTM A827
- MIL S-11310 (CS 1040)
- MIL S-46070
- SAE J403 (1040)
- UNS G10400
1040 Steel Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.37 – 0.44 |
| Manganese (Mn) | 0.60 – 0.90 |
| Phosphorus (P) | 0.040 max |
| Sulfur (S) | 0.050 max |
| Silicon (Si) | 0.15 – 0.35 |
1040 Carbon Steel Physical Properties
| Property | Value |
|---|---|
| Density | 7.85 g/cm³ |
| Melting Point | 1425 – 1540°C (2597 – 2804°F) |
| Thermal Conductivity | 49.8 W/m·K (at 100°C) |
| Thermal Expansion Coefficient | 10.4 x 10^-6 /°C (20-100°C) |
| Electrical Conductivity | 1.42 x 10^6 S/m (at 20°C) |
| Modulus of Elasticity | 205 GPa (29.7 x 10^6 psi) |
| Poisson’s Ratio | 0.29 |
1040 Steel Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 620 – 700 MPa (90,000 – 101,500 psi) |
| Yield Strength (0.2% offset) | 355 – 430 MPa (51,500 – 62,300 psi) |
| Elongation at Break | 15 – 25% |
| Modulus of Elasticity | 205 GPa (29.7 x 10^6 psi) |
| Hardness (Brinell) | 179 – 235 HB |
| Impact Toughness | 35 J (at 20°C) |
1040 Steel Equivalent
AISI 1040 as round drawn/turned, round hot rolled, hexagon, square, flats and plate.
AISI | BS 970 1955 EN | BS 970 1991 | Werkstoff |
1040 | EN8 | 080M40 | 1.1186 |
Applications of 1040 Carbon Steel
AISI 1040 carbon steel is widely used across various industries due to its strong mechanical properties and versatility. Common applications include:
- Machinery Components
- Automotive Parts
- Fasteners
- Hand Tools
- Construction Hardware
- Industrial Equipment:
- Agricultural Equipment
- Railway Components
- Oil and Gas Industry
- Sporting Goods
- General Manufacturing
- Forging and Blacksmithing
This steel’s versatility and balanced properties make it a popular choice for many industrial applications.
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