Aircraft Steel BS S132 / 3S132D


Technical Data Sheet

BS S132 is a 3% chrome-moly-vanadium steel suitable for nitriding. It offers high strength and hard wear resistance after surface treatment, making it widely used in gearbox shafts and crankshafts. It is supplied in as bright bar in the softened and cold drawn/ground condition, designated S132D.

Chemical Composition Limits
Weight% C Si Mn P+S max Cr Mo Ni Other
3S132 0.35-0.43 0.10-0.35 0.40-0.70 P 0.020
S 0.020
3.0-3.5 0.80-1.10 0.30 max V 0.15 – 0.25
Sn 0.030



Typical Mechanical Properties

Grade Treatment Tensile Strength Rm N/mm² Proof Stress Rp 0.2, N/mm² Elongation in 5.65 √Cross Sectional Area% Hardness HB Ruling Section
S132 Solution Annealed 277 max
S132 Hardened and Tempered 1320-1470 1130 8 388-429 2 3/4"

Availability
Alloy S132 is available in Bar. For all stock availability contact Sales.

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