Ferro Silicon is mainly used as a deoxidizer in the steel making industry, in order to obtain chemical composition of qualified steel and to improve the quality of steel.Also used as inoculants and nodulizers in the cast iron industry and reducing agent in ferro alloy production. And used as welding electrode coating in the electrode manufacturing industry.
Ferro Silicon,Ferrosilicon Low Al Silicon,Silicon Alloy Ferrosilicon,Ferrosilicon Silicon Alloy ANYANG GUOQI SILICON INDUSTRY CO.,LTD , https://www.siliconxg.com
ZY produces planetary screw and barrel in full specifications, pls find detailed info as below:
Base Materials:
(1)38CrMoAlA(JIS SACM645)
(2)42CrMo(AISI 4140)
Technics:
Heat treatment
Nitriding treatment
Technical parameter:
Nitrided layer depth: 04-0.6mm
Nitrided hardness: 850-950HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Terms and conditions:
Production time: 35 days
Packing: Export standard wooden case
Trade terms: FOB, CNF, CIF, etc
Payment terms: T/T, L/C