28mm Screw And Barrel Assembly Sumitomo 230T Screw And Barrel
Price:
USD 1,080 / set
MOQ:
1 set
Delivery Time:
60 to 90 days
Brand:
KTL
Product Description
Sumitomo 230T Screw and Barrel Assembly
Screw & Barrel Technical Specifications
| Component | Material | Main Alloy Composition | Heat Treatment Process | Hardness | Additional Notes |
|---|---|---|---|---|---|
| Screw | KTL-404 All-Hard Alloy | W 6.2%, Mo 5.3%, V, Cr 4.2%, Co 2% | - High-temperature quenching: 1150–1180°C - High-temperature tempering: 580–620°C (≥4 times) - Tail annealed at high temperature |
— | Excellent wear resistance and strength |
| Screw Tip Assemblies | KTL-404 All-Hard Alloy | W 6.2%, Mo 5.3%, V, Cr 4.2%, Co 2% | - High-temperature quenching: 1150–1180°C - High-temperature tempering: 580–620°C (≥4 times) - Tail annealed at high temperature |
— | High durability under extreme working conditions |
| Barrel | KTL-ST20 Double Alloy (Fe-Ni Base) | Inner alloy: Fe, Ni, Cr, C, Wc, B | — | Base: HRC 26–28 Inner layer: HRC 58–60 |
- Alloy layer thickness: 1–2 mm (single side) - Low thermal expansion - High resistance to high-temperature softening |
| Nozzle | SKD61 | — | - Quenching: 1020–1050°C - Tempering: 550–570°C (≥2 times) |
HRC 50 ±2 | Good thermal fatigue resistance |
| Flange | Alloy Steel (Red Cross Grade) | — | - Quenching: 1020–1050°C - Tempering: 550–570°C (≥2 times) |
HRC 50 ±2 |
|
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Company
Suzhou Kotler Precision Machinery Co.,Ltd
Location
No. 5388, Wuzhong Avenue, Wuzhong District, Suzhou City, Jiangsu Province
Contact Person
Zhong