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

Technical Data Sheet

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.

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

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

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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.