Successful Cases

Types of Casting Alloys Used

Aluminum alloy, magnesium alloy, copper alloy, gray cast iron, ductile iron, special cast iron (high-chromium cast iron, abrasion-resistant cast iron, corrosion-resistant cast iron), ordinary carbon steel, medium/high carbon low-alloy wear-resistant steel, special cast steel (high manganese steel, Ni-Cr heat-resistant steel, corrosion-resistant steel), stainless steel, etc.

(2) Typical Successfully Commercialized Castings

① Wear-resistant castings: chrome-based grinding balls, high manganese steel liners, high-chromium cast iron hammer heads, excavator bucket teeth (bainitic steel, high-chromium cast iron), etc. ② Heat-resistant castings: heat-resistant cast iron & cast steel furnace grates, heat treatment base plates, material bins, storage racks, etc. ③ Pipe fittings: full-spec gray iron and ductile iron fittings, composite steel rolling pipes lined with high-chromium cast iron. ④ Valve castings: valve bodies & bonnets of cast steel ZG25, ZG35 and ductile iron. ⑤ Construction machinery parts: bucket teeth, gears, gear racks, cast steel for forklifts, ADI ductile iron castings. ⑥ Housing castings: gearbox housing, differential housing, steering gear housing, motor housing, fire hydrant housing, artillery shell housing, etc. ⑦ Automotive brake components: brake drums, brake discs. ⑧ Crankshafts: compressor crankshafts, automotive engine crankshafts. ⑨ Intake & exhaust manifolds: aluminum intake pipes, 4-cylinder ductile iron automotive exhaust pipes, 6-cylinder gray iron diesel exhaust pipes, etc. ⑩ Rear axle castings: cast steel & cast iron rear axle housings. ⑪ Bracket castings: Grade 25 steel railway support plates, automotive spring brackets, highway guardrails, ZG35 steel brackets, etc. ⑫ Cylinder block & head castings: compressor cylinder blocks, single-cylinder engine blocks, 4-cylinder automotive engine blocks and heads. ⑬ Other components: sewing machine heads, foot pedals, brackets, agricultural machinery crank supports, plow shares, plow guide plates, etc.

Industry Terminology Note

• ADI: Austempered Ductile Iron（贝氏体球墨铸铁，国际通用缩写）
• ZG25/ZG35: Retain original Chinese standard steel grades for international trade convention