1 Nitrided Hardness : HV950~1000 2 Nitrided Case Depth : 0.55~0.7mm 3 Nitrided Brittleness :Less Than Grade 1

Technical Specification

1 Hardness After Hardending&Tempering : HB240~280

2 Nitrided Hardness : HV900~950

3 Nitrided Case Depth : 0.55~0.7mm

4 Nitrided Brittleness :Less Than Grade 1

5 Surface Roughness :Ra 0.4

6 Surface Chromium-Plating’s Hardness After  Nitriding≥900HB

7  Chromium –plating Depth :0.05~0.10mm

8 Material&Processes

9 Quality 38CrMoALA

10 GH3#Steel

11 Quality Powder Metallurgy Raw Materials

12 Cold/Thermal Spray Hard Metal Process

13 Advanced nitriding Process

14 Corrosion & Abrasion Resistance Bimetal Spraying Process

Barrel screw for rubber extruder machine