conical twin screw and barrel - Ø45/90~Ø92/188 Specificaton & Trade Terms
| Model | Ø45/90~Ø92/188 |
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| Place Of Origin | China |
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| Price Term | EX-Work |
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| Payment Term | T/T |
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Technical Specification
1.hardness after hardening & tempering: HB240-280
2.nitrided hardness:HV850-1000
3.nitrided cass depth:0.45-0.7mm
4.nitrided brittleness:less than grade 2
5.surface roughness: Ra0.4
6.screw straightness:0.015mm
7.surgace chromium-plating's hardness after nitriding:>900HB
8.chromium-plating depth:0.05-0.10mm
9.alloy hardness:HRC56-65
10.alloy depth:0.8-2.0mm
Payment Terms: 30% TT IN ADVANCE + 70% TT THE BALANCE BEFORE SHIPMENT
