logo com4

Small Hammer Mill Vermiculture

P20 - 1.2311 - scm4 steel.1.2311 tool steels are tempered at 482-593c 900 to 1100f for a rockwell c hardness of 37 to 28.Annealing.Annealing for aisi p20 tool steels takes place at 760-788c 1400 to 1450f and then the steels are cooled slowly in the furnace at a temperature less than 4c 40f per hour.1.2311 steel quality certificate.

Copyright © 2020 Henan Mining Machinery Co., ltd. All rights reserved.Sitemap