GARBA 177 Premium

Precipitation hardenable stainless spring wire. Shaved and EC-tested. For applications demanding high fatigue properties.

GARBA 177 Premium is a semi-austenitic precipitation-hardenable stainless steel with high relaxation resistance at elevated temperatures and excellent fatigue properties. This material has good formability and good form stability during the precipitation hardening heat treatment and a moderate level of corrosion resistance. The shaved surface improves the fatigue resistance as compared to GARBA 177PH.

Corrosion resistance
High tensile
High fatigue
Heat resistance

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Product information

Technical specification

Mechanical properties

Chemical composition

Surface conditions

Physical properties



Property Value
E modulus of elasticity Abt. 190 kN/mm2 in drawn condition. Abt. 200 kN/mm2 after heat treatment.
G modulus of shear Abt. 73 kN/mm2 in drawn condition. Abt. 78 kN/mm2 after heat treatment.
Density 7.90 kg/dm3

Steel grades and product standards

Nearest equivalent product standards EN ISO 6931-1 ASTM A313 AMS 5678 BS 2056 301 S81 JIS G4314
Nearest equivalent steel grades EN/DIN 1.4568 AISI/SAE 631 JIS SUS 631