4140 Steel Flat Bar
4140 Steel Flat Bar is a cold drawn annealed steel flat bar. It provides a combination of hardness, strength, abrasion resistance, and high impact stress-resistant properties. It has excellent toughness and good ductility and wear-resistance. It is considered suitable for heavy-duty industrial applications due to its physical and mechanical properties. It is used in various applications such as
- Shafts
- Blades
- Tools holder
- Dies
- Jigs
- Bolts
- Fittings and fixtures
- Piston rods
- Automobile
- Pressure vessels
- Aircrafts
- Axles
- Machine parts
- Ammunition
- Construction
- Railways
- Sprockets
- Hinges etc.
Metalsnet maintains extensive stocks of different diameters and lengths of 4140 Steel Flat bars that can be ordered online. We ensure delivery of good quality products at market competitive prices.
Specifications:
4140 Steel Flat Bar, ASTM A331, A108-13, AISI 4140
Chemical Composition
Element | Percentage |
Carbon, C | 0.380-0.430% |
Manganese, Mn | 0.75-1.00% |
Silicon, Si | 0.15-0.30% |
Chromium, Cr | 0.80-1.10% |
Molybdenum, Mo | 0.15-0.25% |
Sulfur, S | 0.040% |
Phosphorous, P | 0.035% |
Iron, Fe | Balance |
Mechanical Properties
Tensile Strength, Ultimate | 95000 psi |
Tensile Strength, Yield | 60200 psi |
Elongation at break (in 50 mm) | 25.70% |
Brinell Hardness | 197 |
Melting Point | 2580?F |
Density | 7.85 g/cm? |
Physical Characteristics
Machinability | Good |
Weldability | Good |
Formability | Fair |
*Data provided for the purpose of reference only.
