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60WCrV8 Steel

60WCrV8 / 1.2550 / AISI S1 steel suppliers delivering throughout the Middle East. Nifty Alloys LLC are suppliers of grade 60WCrV8 in round bar. As a shock resisting steel it is suited for both hot and cold work applications. The tungsten content of this steel grade confers fatigue resistance, the chromium content provides depth of hardness and resistance to abrasion. It is suitable for cold work tools subject to heavy shock. 60WCrV8 is also used with great success for chisels and punches required for heavy work on hard and tough materials. Suitable for hot work applications where high fatigue strength with medium hot hardness is desirable. Tools made from this steel can be water cooled in service with minimal risk of cracking.

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Applications

Analysis

Forging

Annealing

Stress Relieving

Hardening

Tempering

Applications

Typical applications include mandrel bars for drawing steel tubes, swaging, forming and gripper dies, also punching, piercing, trimming dies and shear blades.

Analysis

Carbon	0.55-0.65%	Chromium	0.90-1.20%
Manganese	0.15-0.45%	Silicon	0.70-1.00%
Tungsten	1.70-2.20%	Phosphorous	0.03% max
Vanadium	0.10-0.20%	Sulphur	0.03% max

Forging

Heat the steel carefully to a temperature of 1000-1050°C and forge with light rapid blows. Reheat when temperature falls below 900°C if further work remains to be done. After forging, cool slowly, preferably in a furnace.

Annealing

Heat the component slowly and uniformly to 800-810°C. Soak thoroughly for two to three hours and cool slowly in the furnace. As 60WCrV8 is supplied in the annealed and machineable condition re-annealing will only be necessary if the steel has been forged or hardened.

Stress Relieving

If the machining operations have been severe, we recommend stabilising just before the tools are finish machined to relieve machining strains. Heat slowly to a temparature of 700°C, allow to cool in the air.

Hardening

Preheat at 650°C followed by rapid increase of temperature to 900-950°C. Quench in oil. Tempering is always recommended after hardening.

Tempering

Heat slowly to the required tempering temperature, soak thoroughly for two hours per 25mm section and allow to cool in air. For hot work applications, a minimum tempering temperature of 550°C should be used.