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Home » Product List » 2011 Hot-sales Product » Screw Injection Head/Twin Single Screw Cylinder Tips
Product Details
Screw Injection Head/Twin Single Screw Cylinder Tips
| Packing: | Wooden Case |
|---|---|
| Standard: | International Standard |
| Productivity: | 30, 000sets/Year |
| Unit Price: | Negotiable |
| Shipment Terms: | Container by Sea |
| Payment Terms: | L/C,T/T,Western Union |
| Minimum Order: | 1 set |
| Price Valid Time: | From Oct 11,2011 To Oct 11,2012 |
| HS Code: | 84779000 |
| Trademark: | JH |
| Origin: | Zhejiang of China |
| Export Markets: | North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe |
Technical Parameter:
1. Material is 38CrMoAlA, tempering hardness: 260-290HBS,
Nitridation layer depth: 0.4-0.7,
Nitridation rigidity on surface: 940-1050HV, Thickness: 2.6-3mm;
2. Material is 3Cr2W8V, H13(injection chamber), the whole body quenching hardness: HRC60± 2, nitridation hardness: 1050HV, inner hold for fine grinding Ra value 0.4
3. Material: Cr12molvl, the whole body quenching hardness: HRC60± 2, inner hole for fine grinding Ra value 0.4;
4. Diffluencece combing, backflow parts material: Imported SKD61 quenching hardness: Above HRC55 or double alloy structure;
5. Can proceed to plate hard chrome after nitriding screw surface; The thickness for chromeplate is 0.03-0.04mm;
6. The passagewaypart for all kinds of mould, the thickness for plating hard chrome is 0.05-0.08, Polishing fine-coarse degree reach Ra value 0.4-0.2;
