Back up roll
1. Reasonable structure;
2. Stable structure;
3. Good quality;
Specifications
1.D80~D1500mm
2.Cr 2%, Cr3%, Cr 5%, etc.
3.Induction Hardening
4.Work roll for cold rolling
5.High quality and performance...
1. Reasonable structure;
2. Stable structure;
3. Good quality;
Specifications
1.D80~D1500mm
2.Cr 2%, Cr3%, Cr 5%, etc.
3.Induction Hardening
4.Work roll for cold rolling
5.High quality and performance...
- Material:H13,4130,4140,4150,4340,1035,1045,EN9,EN19,EN24,EN31,51200,SUJ2,100Cr6,K310,34CrNiMo6,36CrNiMo4,42CrMo4,86CrMoV7,Cr 2%, Cr3%, Cr 5%, etc.
- Surface Hardness: max 100 HSD
- Ultrasonic Test: Sep 1921-84 - Test Group 3 Class D or ASTM A388 – FBH max 4mm
- Forging reduction ratio: ≥4
- Manufacturing process: steel ingot→forging→rough machining→QT→2th rough machining→induction quenching→finishing machining→packing→delivery
- Quality required: Surface defect and decarburization shall be free. All dimensions are 100% OK.
- Marking: Heat Number, Order Number, Made in China on bar end
- Packing: wooden box or metal pallet for protection against rust and damage.