Bottom roller detail:
Material: 40MN2
Technique: Forging
Hardness: Quenching 26--30HRC, rolling surface medium frequency quenching 48--55HRC , hardened depth 4--8mm
Production technology:
Blanking→ Forging → Rough Machining → Heat Treatment → Welding → Finish Machining → Warehouse Entry
Warranty: two years or 4000 hours
Package: wooden pallets or steel pallets
Delivery: 15-20 days
Trade terms:FOB, CIF, CFR
Payment terms: T/T
Warranty: two years
