Descriptions:
Screw Diameter: Φ10mm-Φ300mm
Material: 38CrMoAlA; SKD61; SKD11; 40Cr; 42CrMo; high quality alloy steel
Technology: nitriding treatment, alloy coating spraying, heat-treatment
Appliance: PVC, PP, PE, PA, PC, ABS, AS etc
Material List:
| JINYI | Chinese | Japan | America | German | Treatment | Hardness | Appliance |
| GB | JIS | AISI/SAE | DIN | ||||
| JYN1 | 38CrMoAl | SACM645 | 6470E | 41CrAlMo7 | Gas Nitrition | HV 950-1000 | Common Use |
| JYN2 | 40Cr | SCr440 | 5140 | 1.7035 | Chrome-plate | HRC 42-55 | |
| JYN3 | 42CrMo | SCM440 | 4140 | 1.7223 | Chrome-plate | HRC 48-58 | |
| JYN4 | 45# | S45C | 1045 | 1.1191 | Hardening | HRC 42-46 | |
| JYH5 | Cr12Mo1V | SKD11 | D2 | 1.2379 | Hardening | HRC 62-65 | |
| JYH6 | 4Cr5MoSiV1 | SKD61 | H13 | 1.2344 | Hardening | HRC 60-65 | |
| JYH7 | 9Cr18MoV | SUS440B | 440B | 1.4112 | Hardening | HRC 56-58 | |
| JYG1 | (Confidential) | <35% GF | |||||
| JYG2 | <40% GF | ||||||
| JYG3 | <40% GF | ||||||
| JYG4 | <45% GF | ||||||
| JYG5 | <50% GF | ||||||
| JYG6 | >50% GF | ||||||
| JYG7 | Optical Glass | ||||||
| JYG8 | >300℃ Temp. | ||||||
Treatment:
1.Nitriding
2.Bimetallic Spraying
3.Chrome-Plating
4.Full Hardening
5.TiN coating
...
Technical Index:
Depth of Nitrated Layer: 0.5-0.8mm
Hardness of nitration: 900-1020Hv
Fragility of nitration: Less than grade 1
Surface Hardness of Nitrated Cr coating layer: ≥950Hv
Hardness of Bimetallic Layer: HRC55°-72°
Thickness of Cr-coating Layer: 0.03-0.08mm
Depth of Bimetallic Layer: >2mm
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