Screw display

Screw display

Material Treatment

Quenching & Tempering Hardness: HB260-290

Nitriding Depth: 0.50mm-0.80mm

Nitriding Hardness: 900-1000HV

Nitriding Brittleness: ≤1 Level

Advantages:

Extreme Wear Resistance: Nitrided layer hardness exceeds 900HV,Industrial-Grade Core, Built for Decades

Corrosion Resistance: Deep nitriding protects against acidic melt erosion

Surface Engineering

Surface Roughness: Ra 0.32

Alloy Layer Thickness: 2-3mm

Alloy Layer Hardness: HRC58-65

Advantages:

Low Friction: Ra 0.32 ultra-smooth surface minimizes material adhesion for stable extrusion.

Thermal Stability: High-hardness alloy layer prevents deformation at 400°C.