With Over 20 years' history, JINYI is now among the biggest suppliers of screw barrel in China market, with sales to 50 foreign countries also. We provide all kinds of Single Screw Barrels for plastic & rubber machineries with long term.
Size Available:
Diameter Less than 400mm
Length Less than 12,000mm
Material Options:
1. Nitrided Steel like 38CrMoAla
2. Tool steel with high hardness like SKD61, SKD11
3. Powder steel with high strength
4. All kinds of Mold steel like 42CrMo, 40Cr
Surface Treatment:
1. Nitriding
2. Chrome-plating
3. Titinium Coating
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. | ||||||
