25Cr3MoA

Alloy Steel

Mechanical Properties

QT: Rm ≥1100 MPa, Rp0.2 ≥950 MPa, A ≥12%

Chinese Standard

GB/T 3077

Equivalent Standards

EN40B

Applications

Shank adapter

Available Forms

Bar

Uses

Shafts, gears, axles, connecting rods, bolts, machinery structural parts, automotive and engineering components.

Heat Treatment

Normalized at 850-900°C, air cooled. Quenched + tempered at 550-650°C for improved strength. Specific treatment per grade standard (GB/T 3077, ASTM A29).

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