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Aircraft Alloy Steel AISI 4330 Mod Vac Melt (AMS 6411/ AMS 6427)


Technical Data Sheet

 

Chemical Composition Limits
Weight% C Si Mn P S Cr Mo Ni V
4330V 0.30-0.34 0.15-0.35 0.75-1.00 0.025 max 0.010 max 0.75-1.00 0.40-0.50 1.65-2.00 0.05-0.10

Alloy 4330V is a NiCrMoV hardened and tempered high strength alloy steel for applications in the oil, gas and aerospace industries. Alloy 4330V is an high strength alloy that has exceptional low temperature impact properties. Alloy 4330V is used in the oil industry for oil tools and drill jar and in the aerospace industry for bolting, air frames etc.

Typical Mechanical Properties

 

Alloy 0.2% PS (ksi) UTS (ksi) Elongation (%) Reduction of area (%) Charpy V Notch@ room temp (ft lbs) Charpy V Notch @ -50°F (ft lbs)
Alloy 4330 Grade A 115 130 16 50 65 50
Alloy 4330 Grade B 135 150 14 45 50 30
Alloy 4330 Grade C 150 165 12 40 40 15

Availability
Alloy 4330 is available in Bars (Rounds bar).  For all stock availability contact Sales.

Specifications
AMS 6411- Bar, Forging, Tubing
AMS 6427 - Bar, Forging, Tubing
MIL-S-8699
AMS 2300
ASTM A646
UNS K23080
BMS 7-122
BMS 7-27
CE-0906
EMS-96242
FMS-1012
GM-1010

Services
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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.