HS220-27 Steel

Steel name: HS220-27
Diagram No.: 1937
DIN designation: 34CrNiMo6V mod.
AMS designation: 6427
AISI/SAE designation: 4330 V mod.
Chemical composition in weight %: 0.30% C, 0.25% Si, 0.90% Mn, 0.012% P, 0.005% S, 0.90% Cr, 1.80% Ni, 0.43% Mo, 0.08% V, max. 20 ppm O2
Steel group: Alloy steels
Applications: Aircraft landing gears.
Comment: No data
Reference: Website TimkenSteel, 2017.

Heat Treatment
Hardening: Austenitize 1550-1600F (845-870C) water, oil or polymer quench
Tempering: Temper to desired strength
Note: No data

Diagram Tempering Temperature - Mechanical Properties

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