SPN Part & Suppy Co., LTD., Our key customer, bought 2344 dia 254x685-2pcs. (ref IV5810665 and IV5811126) to make Shot Sleeve. They informed the tool life is too short. After that user changed the spare one. It also the same result. Pouring area of sleeves was worn and corroded as the photos. This size they never use our material before, normally they bought 2344 from Special Steel and Services to make Shot Sleeve. Now they ordered new one from Special Steel and Services and doing the replacement to customer.
These are processing data
-Machining by CNC lathe themselves
-Hardening, Tempering at 45-48HRC and Nitriding at Air Water Co., Ltd., heat treatment plant at Amata Nakorn.
I requested heat treatment condition to them.
-Use in die-casting injection with aluminium temperature about 650-700 degree celcius only under 10,000 shots.
They need us to investigate the material. They will let us bring the material back to make failure analysis after Air Water have analyzed the material. We can cut to test or do anything with it.