Name: 4JB1 forged crankshaft
Vehicle Type: used for Isuzu
OE Number: 8944436620


| Crankshaft Mechanical Character | |
| Material | Ductile cast QT800-6 |
| Strength of extension | ≥800 MPA |
| Strike | ≥25 J/CM2 |
| Hardness(before strengthen) | HB250-310 |
| Hardness(after strengthen) | HRC46-52 |
| Elongation | ≥5.5% |
Accept OEM Service | Technical Specification | |||||||
Devlopment according to samples / drawings | Term: 90 days | Manufacturing | TS16949 certificated | |||||
| Spec | stroke: 150 mm | Permanent molds | ||||||
| Weight<200kg | Fillet rolling processing, nitriding, induction hardening | |||||||
| Length<1500mm | Flexibility of production | |||||||
| Min qty : 300 pcs/year | Fatigue test according to performance in engine | |||||||








| Advantage of HC | ||
| Manufacturing capability | advanced facilities for casting and machining, including CNC machining centers | |
| Quality control | scientific management, refined manufacture, advanced technique and quality improvement | |
| Our quality systerm is ISO/ TS16949 | ||
| OE quality | Techniques and Equipment | |
| experience over many years | Crankshaft ports development | |
| cold core casting technology | ||
persistent investment on the expansion of products | techniques of vermicular cast iron | |
| flexible processing line | ||
strict supervision on the production process | automatic static-press modelling line | |
| mould making and tooling | ||