Hot Runner Valve Pin:

1. Material: SKH51, SKD61 (can be custom-made according to customer requirements).

2. Hardness: HRC59-61 (SKH51), HRC50-55 (SKD61).

3. Tolerance: ±0.001 mm

4. Surface treatments: Titanium nitride (TiCN) coating, chromium nitride coating, hard chrome plating, aluminum titanium nitride coating, nitriding, and nanoscale coatings (nARo2), among others—each achieving a surface hardness of HV2400 or higher (coatings available upon customer request).

5. Concentricity: 0.002mm

6. Precision: The precision of the effective mating area for the valve needle is within 0.002 mm, and valve needles of the same specification can be interchangeably matched with their corresponding valve sleeves.

7. Common valve needle size machining range: Diameter 2–13.5 mm; length 100–1500 mm.
Brand
Ruiying
Product Alias
Valve sleeve, guide sleeve, bushing, elbow
Standard
Industry Standards
Injection molding material
PE
Is it a dedicated supply source for cross-border exports?
Is
Head material
SKD51
Coat material
SKD51
Type
Mold Hot Runner System
Heated Nozzle Body Material
4CR13
Applicable Mold Type
Plastic mold
Material/Ingredients
High-speed steel/SKH51/SKH-9/SKD61
Surface Treatment
Aluminum Titanium Nitride / Titanium Nitride / Chromium Nitride / Titanium Carbonitride
Entity Processing
High-temperature heat treatment + cryogenic treatment

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