Iron Cone Valve Ni Hard Liners Castings With Ni hard 4 Standard And HRc56 Quick Details 1. Hardness:More than HRc56; 2. International Standard:AS 2027-2002/Ni hard 4; 3. Specific weight or density:7.3~7.5g/mm2. Ni-hard Iron Cone Valve CastingsDescription: 1. Hardness:More than HRC56. 2. International Standard: AS 2027-2002/Ni hard 4. 3. Microstructure: Eutectic Carbide + Martensite + Residual Austenite 4. Specific weight or density:7.3~7.5g/ 5. Break Point:25~40kg/mm2. TechnicalParameters Ourfoundryhascompletemelting,heattreatmentandtestequipments,suchasmid-frequencyinductionelectricalfurnaces,quenchingandtemperingfurnaces,blastshot,spectrometer,RockwellandBrinellHardnesstester,impactor,UTtesterandmetallographicmicroscope.WeachievedthecertificateofqualitymanagementsystemISO9001:2000.Wehavebeenexportingcastingstooverseamarkets,suchasBrazil,AustraliaandSouthAfrica. FoundryPhoto .
