The molybdenum and vanadium provide the strength in this grade while the chromium aids in softening the material when it's being used in high temperatures.
H is able to withstand rapid cooling and even premature heat checking. Characteristics include good machining and welding capabilities as well as good ductility. Other Shock Resisting Tool Steel from Alro When considering steel for a shock resisting or shock absorbing application, grades S-5 and S-7 , stocked by Alro Steel may also be considered.
Properties H is typically bought to meet chemistry requirements rather than physical requirements. For that reason, physical properties are generally not provided unless requested prior to production. Under heat treatment H11 tool steel has good surface stability. In die-casting, press grinding, extrusion operations etc. Although there are multiple methods for creating and forming hot metals including such stamping, cutting, marking, shredding, upsetting and flipping to effectively work at high temperatures, the tools must have a mixture of strength, wear resistance as well as hardness.
H13 is an air hardening chromium die steel - it could be used in a variety of applications. The greater vanadium concentration assures improved heat-checking strength and all round compounds development at higher temperatures. Molybdenum and vanadium serve as reinforcing agents whereas the material of chromium allows the steel tool H to resist softening when used at elevated heat.
The H13 tool steel provides high durability, excellent mechanical properties and improvement in the overall and can be produced using traditional techniques. So applications for H13 steel are of broad range in toughnes. Hot working tool steel is used to make iron and nonferrous metals as well as hot forming of the work-piece at high temperature of the alloy derivative. They are also used in the manufacturing of pressure die casting, extrusion and forging, as well as in the process of pipe and glass manufacturing.
By heat as tool steel tool not only by the use of continuous high temperature, but also occurs in the heat load fluctuation in the tool is in contact with the materials to be processed. Products Application 1. H 1. Large sections may be quenched in oil.
To reduce scaling or decarburisation, we recommend isothermal molten salt bath treatment. Allow to equalise, withdraw and cool in air. Alternatively, this tool steel may be vacuum hardened or pack hardened. Tools should be tempered as soon as they become hand warm. Tempering 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. In general, we do not advise the welding of tool steel but users sometimes prefer to weld in order to avoid the cost of retooling. Cracking is likely to occur during cooling unless proper precautions are taken.
Popular methods of welding are atomic hydrogen and argon arc. We recommend you contact your welding consumables supplier who should provide you full assistance and information on welding tool steels. Nitriding H13 tool steel can be nitrided to give a hard surface case. The steel is then very resistant to wear and erosion. Nitriding also increases resistance to corrosion. It is important to note that with increase in penetration of the nitriding, there is a reduction in resistance to thermal shock and an increase in embrittlement.
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