SEBON is a global casting manufacturer of precision casting valve bonnet. We are specialized in water glass casting process and silica sol casting process technology, producing precision casting valve bonnet with OEM and CNC machining service. Our investment casting products are widely used in many fields like instrument components, marine hardware, construction hardware, valve and pipe fittings, automotive parts, train and truck accessories, and mining machinery parts.
Product name: precision casting valve bonnet
Technique: Investment casting, Lost wax casting, Precision casting, Lost foam casting, Water glass casting, Silica sol casting, gravity casting
Specification: process with given samples or the drawings
Standard: ASTM, AISI, DIN, BS and JIS
Main precision casting materials: SUS304 (CF8), 304L, CF3, SUS316 (CF8M), 316L, 17-4ph, ZG1Cr18Ni9Ti, 42CrMo, 35CrMo, WCA, WCB, WCC, etc.
Equipment: Single station wax injection machine, horizontal automatic double station wax injection machine, slushing machine, dewaxing kettle, roaster, medium frequency induction furnace, CNC machining center, spectrum analyzer, coordinate measuring machine, etc.
Post-processing: noisy hand spray, pickling, heat treatment, precision machining, brushed or mirror polished, electro-polished
Test: impact test, chemical analysis, metallographic inspection, hardness test, elongation test
Product weight range: 0.5 kg to 100 kg
Dimension Tolerance: CT7
Surface Roughness: Ra6.4~12.5
Productivity: 5000 tons per year