ASSAB 760 PDF

Gas cementation is a heat treatment surface process by means of carbon diffusing into steel. This process is carried out in a furnace in a fluidized bed by using media of liquid petroleum gas LPG and nitrogen gas at a temperature of K and various holding times of 7. The rapid quenching process is carried out in an oil media for sec. In order to remove the tension in the specimen, the tempering process is carried out in a furnace at a low temperature of K with holding time of 3.

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S45C Carbon Steel also known as AISI Steel is a medium tensile low hardenability carbon steel generally supplied in the cold drawn or turned and polished condition, with a typical tensile strength range — Mpa and Brinell hardness range — Characterised by good strength and impact properties, with good machinability and reasonable weldability in the as supplied condition.

It can however be successfully flame or induction hardened in the as supplied condition resulting in surface hardnesses of up to Rc 54 — Rc 60 depending upon quenching medium employed, type of set up, section size etc. Core strengths will remain as supplied. It does not however respond satisfactorily to nitriding due to a lack of suitable alloying elements. Preheat to o C — o C, then continue heating to o C — o C maximum, hold until temperature is uniform throughout the section and commence forging immediately.

Heat to o C — o C hold until temperature is uniform throughout the section, and cool in furnace. Following quenching to hand warm, most components should be tempered at o C — o C to remove quenching stresses in the case.

This will have little effect on case hardness. Temper immediately while still hand warm. Heat to o C — o C hold until temperature is uniform throughout the section, soak for 10 — 15 minutes and cool in still air. Reheat to o C — o C as required, hold until temperature is uniform throughout the section, soak for 1 hour per 25mm of section, and cool in still air. AISI Carbon Steel in the cold drawn or turned and the polished condition has very good machinability and all operations such as turning, drilling, broaching, milling and tapping etc.

Carbon Steel Supplier. Plastic Mould Steel Supplier. Structure Steel Supplier. Nickel Alloy Supplier. Stainless Steel Supplier. Duplex Stainless Steel Supplier. Titanium Supplier. S45C Carbon Steel in stock. Do not forge below o C Finished forgings may be air cooled.

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S45C Carbon Steel

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Hardenability of ASSAB 760 Steel during Tempering for Punch Holder Applications

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