Cincinnati Parallel Twin Screw and Barrel
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**Basic Specifications:**
- **Model No.:** Dia 40-220mm
- **Nitrided Layer Depth:** 0.5–0.8mm
- **Nitrided Brittleness:** Less than Grade 1
- **Screw Linearity:** 0.015mm
- **Certification:** ISO 9001:2008
- **HS Code:** 84779000
**Product Features:**
- **Screw Barrel:** Cincinnati Parallel Twin Screw and Barrel
- **Nitrided Hardness:** 900–1000HV
- **Surface Roughness:** Ra 0.4
- **Trademark:** Zhongyang
- **Origin:** Zhejiang, China
**Technical Details:**
- **Diameter:** Φ 45mm – Φ 200mm
- **L/D Ratio:** 16–35
- **Compression Ratio:** Customizable based on product and material requirements
**Base Materials Available:**
1. 38CrMoAlA (JIS SACM645)
2. 42CrMo (AISI 4140)
3. 4Cr5MoSiV1 (JIS SKD-61)
4. 9Cr18MOV
5. HPT
**Bimetallic Alloy Options:**
1. Fe-based alloy
2. Ni-based alloy / Deloro alloy
3. Co-based alloy
4. NiCo-based alloy
5. Tungsten carbide / Wolfram carbide
**Manufacturing Processes:**
- Heat treatment
- High-frequency quenching
- Nitriding treatment
- Hard-chrome electroplating
- Bimetallic alloy welding
- Bimetallic alloy centrifugal casting
**Technical Parameters:**
- **Nitrided Layer Depth:** 0.5–0.8mm
- **Nitrided Hardness:** 900–1000HV
- **Nitrided Brittleness:** Less than Grade 1
- **Surface Roughness:** Ra 0.4
- **Screw Linearity:** 0.015mm
- **Hard-chrome Plating Hardness (after nitriding):** ≥ 950HV
- **Chrome-plating Layer Depth:** 0.025–0.085mm
- **Bimetallic Layer Depth:** 3mm
**Warranty & Service:**
- 1-year warranty
- Custom manufacturing available upon customer request
**About Zhongyang (ZY):**
1. **Strong Team:** We have professional teams in sales, design, production, inspection, and customer service to ensure the best experience for our clients.
2. **High-Quality Products:** We use advanced equipment such as CNC machines and Stellite PTA welding systems to guarantee product quality.
3. **Global Market:** With over 5 years of international trade experience, we have a mature foreign trade system and a wide range of global customers.
4. **Strategic Location:** Located in Jintang Town, Zhoushan City, near Ningbo Port and Shanghai Port, giving us excellent logistics access.
5. **Professional Attitude:** We are committed to providing reliable and high-quality solutions with a serious and responsible approach.
Welcome to contact us! Let’s build a long-term partnership together.