single screw
| Min. Order: | 1 Set/Sets |
|---|---|
| Trade Term: | FOB |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 500sets/Month |
| Place of Origin: | Zhejiang |
Company Profile
| Location: | Zhoushan, Zhejiang, China (Mainland) |
|---|---|
| Business Type: | Manufacturer, Trading Company |
| Main Products: | Screw Barrel, Extrude Single Screw, Parallel Twin Barrel |
Product Detail
| Model No.: | SC-65 |
|---|---|
| Means of Transport: | Ocean, Land |
| Brand Name: | Vanscrew |
| Hardness After Hardening &Tempering: | HB240 -280 |
| Nitrided Hardness: | Hv850-1000 |
| Nitrided Depth: | 0.45-0.7mm |
| Nitrided Brittleness: | ≤Grade 2 |
| Surface Roughness: | Ra0.4 |
| Screw straightness: | 0.015mm |
| Production Capacity: | 500sets/Month |
| Packing: | wooden case |
| Delivery Date: | 30days |
Product Description
Material:
manufactured with high-quality nitro alloy steel, applying the method of hardening and tempering and nitriding, thus it enjoys
Alloy-Steel of High-quality
1)38CrMoALA(JIS SACM645)
2)42CrMo(JIS SCM440)
3)SKD61
Heat-treatment
Nitriding treatment
Electroplated hard-chrome finish
High-frequency quenching
Spray coating Bimetallic-alloy
Vacuum quenching
Technical data
Hardness After Hardening &Tempering: | HB240 -280 |
Nitrided Hardness: | Hv850-1000 |
Nitrided Depth: | 0.45-0.7mm |
Nitrided Brittleness: | ≤Grade 2 |
Surface Roughness: | Ra0.4 |
Screw straightness: | 0.015mm |
Surface Chromate-plating's Hardness After Nitrided: | ≥900Hv |
Chromate-plating Depth: | 0.05-0.10mm |
Bimetallic-alloy Hardness: | HRC56 -65 |
Alloy Depth: | 0.8-2.0mm |
Standards of single screw and cylinder of extruder machine:
Φ20mm~Φ300mm
ratio of length to diameter L/D=15~55
