Properties
Dimension
| Property | Value |
|---|---|
Diameter | 25.4 - 508 mm Show Supplier Material materials with Diameter of 25.4 - 508 mm |
Mechanical
| Property | Temperature | Value |
|---|---|---|
Charpy impact energy, V-notch | -46.0 °C | 27 J Show Supplier Material materials with Charpy impact energy, V-notch of 27 J |
Elongation | 23.0 °C | 20 % Show Supplier Material materials with Elongation of 20 % |
Hardness, Brinell | 23.0 °C | 217 - 235 [-] Show Supplier Material materials with Hardness, Brinell of 217 - 235 [-] |
Tensile strength | 23.0 °C | 690 MPa Show Supplier Material materials with Tensile strength of 690 MPa |
Yield strength Rp0.2 | 23.0 °C | 551 - 665 MPa Show Supplier Material materials with Yield strength Rp0.2 of 551 - 665 MPa |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.38 - 0.43 % Show Supplier Material materials with Carbon of 0.38 - 0.43 % |
Chromium | 0.9 - 1.2 % Show Supplier Material materials with Chromium of 0.9 - 1.2 % |
Iron | Balance |
Manganese | 0.75 - 1 % Show Supplier Material materials with Manganese of 0.75 - 1 % |
Molybdenum | 0.15 - 0.35 % Show Supplier Material materials with Molybdenum of 0.15 - 0.35 % |
Phosphorus | 0.03 % Show Supplier Material materials with Phosphorus of 0.03 % |
Silicon | 0.15 - 0.35 % Show Supplier Material materials with Silicon of 0.15 - 0.35 % |
Sulfur | 0.025 % Show Supplier Material materials with Sulfur of 0.025 % |
Technological properties
| Property | ||
|---|---|---|
| Application areas | AISI 4140 modified is a low alloy hardened and tempered steel suitable for the manufacture of oil and gas downhole tools used in production and completion processes. General Engineering applications include construction components exposed to heavy strain, such as shafts, gear, bolts etc. AISI 4140 can also be used in hardened condition as machine parts exposed to heavy wear. | |
| Heat Treatment | Hardened at 850°C followed by water quenching. Tempering at min. 650°C, cooled in air. | |
| Welding | Moderate, can be welded. | |