Suzhou Hongyang Metal Hardware Co., Ltd.
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The normal material of Screw and Barrel
Material 38CrMoALA
Hardness after hardening and tempering HB260°~320°
Nitrided Hardness HV950°~1000°
Nitrided Depth 0.50~0.7mm
Nitrided Brittleness above 2 stage
Surface Roughness Ra0.4
Screw straightness 0.015mm
Hardess of surface chromium-plating after Nitriding HV≥950HV
Chromium-plating Depth 0.05~0.10mm
ALLoy Depth 0.8~2.0mm
Alloy hardness HRC56°~65°
Alloy iron,nickel,tungsten,molybdenum
Types of screw
[For good plasticizing effect , we have different design of screw barrel to meet customer’s demand]
Gradual type, mutant type, wave type, barrier type, double screen type, shunt type, separation type,exhaust type, pin type, mixed type, double- head type, three-head type, multi head type etc
stainless steel screw :Use Japan raw material HPM38, S136, SUS440, 9cr18mov,.etc .
specification parameter
Amount of injecton(g) | Screw diameter X length (mm) | Barrel diameter X length (mm) | Amount of injection9(g) | Screw diameter X length (mm) | Diameter X length (mm) |
30-90 | 30x90 | 85x860 | 800-1250 | 75x1825 | 170x1725 |
60-125 | 35x910 | 85x860 | 1000-1500 | 80x2000 | 180x1805 |
100-150 | 38x935 | 95x900 | 1250-2000 | 85x2300 | 190x1900 |
125-160 | 40x980 | 95x910 | 2000-3000 | 90x2700 | 210x2000 |
125-300 | 42x1030 | 105x8880 | 2500-5000 | 100x2600 | 230x2405 |
250-400 | 45x1210 | 115x1165 | 3000-6000 | 110x2600 | 256x2590 |
300-500 | 50x1300 | 125x1260 | 4000-10000 | 120x2800 | 256x2800 |
450-600 | 55x1335 | 130x1320 | 6000-8000 | 130x3010 | 256x2970 |
500-700 | 56x1350 | 130x1350 | 8000-10000 | 145x3010 | 256x3200 |
500-700 | 60x1380 | 140x1350 | 10000-15000 | 160x3500 | 270x3200 |
650-800 | 65x1415 | 150x1420 | 13000-25000 | 170x3415 | 317x3380 |
700-1000 | 70x1790 | 160x1685 |