AISI 4145 H MODIFIED Quenched & Tempered Tube
AISI 4145 H MODIFIED Quenched & Tempered Tube introduction
AISI 4145H is a chromium – molybdenum low alloy tempered steel. It has improved hardenability and is more is commonly used in the high strength condition with min.110 KSI yield.
Equivalent material: EN 1.7225, ASTM 4145H, UNS G41450
AISI 4145 H MODIFIED Quenched & Tempered Tube general
| Property |
Value |
| Diameter |
Diameter of 88.9 - 406.4 mm |
AISI 4145 H MODIFIED Quenched & Tempered Tube chemical
| Property |
Value |
| Carbon |
Carbon of 0.43 - 0.48 % |
| Chromium |
Chromium of 0.8 - 1.1 % |
| Iron |
Balance |
| Manganese |
Manganese of 0.75 - 1 % |
| Molybdenum |
Molybdenum of 0.15 - 0.35 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 0.15 - 0.35 % |
| Sulfur |
Sulfur of 0.025 % |
AISI 4145 H MODIFIED Quenched & Tempered Tube mechanical
| Property |
Temperature |
Value |
| Charpy impact energy, V-notch |
-20.0 °C |
Charpy impact energy, V-notch of 27 J |
| Elongation |
23.0 °C |
Elongation of 14.5 - 20 % |
| Hardness, Brinell |
23.0 °C |
Hardness, Brinell of 233 - 341 [-] |
| Tensile strength |
23.0 °C |
Tensile strength of 896 - 1068 MPa |
| Yield strength Rp0.2 |
23.0 °C |
Yield strength Rp0.2 of 689 - 758 MPa |
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