Available sizes:

Round: Dia. 20 – 300mm

Flat: Thickness 20 – 200mm, width 60 – 610mm

Delivery condition: EAF or ESR, Hot rolled or forged, Peeled or black surface, normally annealed.

 

Properties :

High carbon and high chromium, ledeburitic 12% Cr alloyed cold work tool steel, high compressive strength, fairly good dimensional stable during heat treatment, extremely resistant to wear against abrasive and adhesive, low distortion, deep hardenability, non-deforming, medium toughness and good edge-holding properites. Not suitable for nitriding and electrical discharge machining.

 

Applications :

Heavy duty and highly stressed all type of blanking, cutting and punching tools up to 4 mm sheet thickness with excellent edge holding properties, cold forming tools, woodworking tools, thread rolling dies, shaping, flanging and beading dies, punches and dies for cold nut manufacture, deburring tools, tools for spinning, deep drawing dies, sand blasting nozzles, press tools for the ceramic, sinters, pharmaceutical, brick and refractory industries, scraping and trimming dies, powder pressing tools, shear blades for plastic, paper, cardboard and metal, cold extrusion for light alloys and steel, knurling tools, wire drawing dies, profile rolls, measuring tools, moulds for plastic materials.

 

Heat Treatment :

Annealing : 800 - 850 °C

Hardness after annealing : Max. 248 HB

Stress relieving : Approx. 650 °C

Hot forming : 1050 - 850 °C

Hardening : 940 - 970 °C

Quenching media : Oil, Salt bath ( 220 - 250 °C or 500 - 550 °C )

Air or compressed air up to 25 mm thickness

Hardness after quenching : 63 - 65 HRC

Hardness after tempering :