1.2344 material

1.2344 material

1.2344 material

Supply of 1.2344 material

		Sheet	Plate	Flat	Diameter

Applications of 1.2344 material

Typical applications include die casting dies for aluminium, magnesium and zinc, extrusion dies for aluminium and brass, liners, mandrels, pressure pads, followers, bolsters, die cases, die holders and adaptor rings for copper and brass extrusion. 1.2344 material is used to produce hot stamping and press forge dies, split hot heading dies, gripper dies, hot punching, piercing and trimming tools. Other applications include plastic moulds, shear blades for hot work and hot swaging dies.

Forging of 1.2344 material

Preheat slowly to 750°C then increase the temperature more rapidly to 1050-1100 °C. Do not forge below 850°C. It is essential to cool the 1.2344 material slowly after forging, either in a furnace or in vermiculite.

When tools made from 1.2344 material tool steel are heavily machined or ground , the relief of internal strains is advisable before hardening to minimise the possibility of distortion. Stress relieving should be done after rough machining. To stress relieve, heat the component carefully to 700°C, allow a good soaking period (two hours per 25mm of ruling section). Cool in the furnace or in air. The tools may then be finish machined before hardening.

Hardening of 1.2344 material

Martempering  of 1.2344 material

Heat uniformly to the required temperature allowing a soaking time of two hours per 25mm of ruling section. Withdraw from the furnace and allow to cool in air. A second tempering is strongly recommended, the H13 tool being allowed to cool to room temperature between tempers. The usual tempering range is 530-650°C depending on the hardness requirements and the operating temperature of the tool.

Temperature [°C] 400   500    550     600     650

Hardness [HRc]    54      56      54      49       47

Tempering of 1.2344 material

Double tempering is recommended. Tempering of 1.2344 material should be done with the least possible delay after hardening, preferably when the tools are still hand warm. Select a suitable tempering temperature, bearing in mind the service requirements. Heat slowly and uniformly. When the 1.2344 material component has reached the desired temperature, soak for at least one hour per 25mm of section. The second tempering should be a repetition of the first. 

Heat treatment of 1.2344 material

Final Grinding of 1.2344 material

Select the correct grade of wheel in consultation with the grinding wheel manufacturer. Ensure the grinding wheel is in good condition by means of a suitable dressing tool. Wet grinding is a preferable option using a copious supply of coolant. If dry grinding is resorted to then use a very soft wheel.

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