AISI 4130 MODIFIED Quenched & Tempered Bar
AISI 4130 MODIFIED Quenched & Tempered Bar introduction
AISI 4130 is a low alloy C-steel containing chromium and molybdenum as strengthening agents. It has low carbon content, and hence it can be welded easily. It is supplied as round bar commonly in the hardened and tempered condition with a hardness of 18-22 HRc.
Equivalent material: EN 1.7220, UNS G41300, ASTM 4130
AISI 4130 MODIFIED Quenched & Tempered Bar general
| Property |
Value |
| Diameter |
Diameter of 76.2 - 508 mm |
AISI 4130 MODIFIED Quenched & Tempered Bar chemical
| Property |
Value |
| Carbon |
Carbon of 0.28 - 0.33 % |
| Chromium |
Chromium of 0.8 - 1.1 % |
| Iron |
Balance |
| Manganese |
Manganese of 0.4 - 0.6 % |
| Molybdenum |
Molybdenum of 0.15 - 0.25 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 0.15 - 0.35 % |
| Sulfur |
Sulfur of 0.035 % |
AISI 4130 MODIFIED Quenched & Tempered Bar mechanical
| Property |
Temperature |
Value |
| Charpy impact energy, V-notch |
-32.0 °C |
Charpy impact energy, V-notch of 42 J |
| Elongation |
23.0 °C |
Elongation of 17 - 18 % |
| Hardness, Rockwell C |
23.0 °C |
Hardness, Rockwell C of 22 [-] |
| Tensile strength |
23.0 °C |
Tensile strength of 585 - 655 MPa |
| Yield strength Rp0.2 |
23.0 °C |
Yield strength Rp0.2 of 414 - 517 MPa |
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