655M13 bearing steel bar

655M13 is a 3.25% nickel-chromium high hardenability case hardening steel, characterised by high core strength, excellent toughness and fatigue resistance, with case hardnesses up to 62HRC when carburised, hardened and tempered. Material 655M13 is usually supplied in the annealed condition upto 255HB.

655M13 is a carburising steel grade suitable for roller and ball bearings of extra light section, aeroplane and motor crankshafts requiring hard surfaces for roller paths, connecting rods with case-hardened ends, as well as highly stressed gudgeon pins, gears and certain types of collets.

655M13 case hardening steel is available with BS EN 10204 3.1 mill certificate, please request when placing any orders.

655M13 Chemical composition %:

Notes:
1,655M13 specification: DIA 80-1200mm(forged round bar), 80-1200mm(square bar) Length 3-16 meters
2, 655M13 heat treatment: Quenching,Annealing,Normalizing and Tempering.
3, 655M13 tolerance: 0-+3mm(DIA), 0-+10mm(Length)

Our company, KUNFENG can produce all sizes of 655M13 forged steel round bar, 655M13 forged square bar, 655M13 forged shafts and 655M13 forged blocks.