Aircraft Steel 135 Mod / Nitriding (AMS 6470 / AMS 6472 / AMS 6471)
Technical Data Sheet
|Chemical Composition Limits|
|NITRALLOY 135™Modified VAC-ARC||0.40||0.60||0.30||1.60||0.35||1.20|
NITRALLOY 135™Modified VAC-ARC is a low alloy nitriding grade of steel with moderate hardenability. As will all nitriding steels NITRALLOY 135™Modified VAC-ARC provides a high case hardness without affecting the core properties of the metal. NITRALLOY 135™Modified VAC-ARC is generally used for aircraft gears, shafts, pinions, crankshafts, cams, camshafts and bolts.
Typical Mechanical Properties
|Material||Size in Section
|Ultimate Tensile Strength (Mpa)||Yield Strength (Mpa)||% Elongation||% Reduction of Area||Hardness HBW|
|NITRALLOY 135™Modified VAC-ARC||3.8||930||690||16||50||280-340|
|NITRALLOY 135™Modified VAC-ARC||3.8-7.6||860||620||15||40||280-340 on surface
269-321 on test specimen
|NITRALLOY 135™Modified VAC-ARC||7.6-12.7||760||580||15||40||269-321 on surface
240-300 on test specimen
AMS 6471 (Vac Melt)
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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.
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