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RPZ Valve
RPZ Valve
Size: 0.35mm - 50.8mm | Hardness: HRC56-58 | Magnetic: Yes
Passivated to remove iron contaminants. High precision and strong rust resistance. Ideal for hydraulic parts, aerospace, and precision instruments.
Size: 0.35mm - 50.8mm | Hardness: HRC50-55 | Magnetic: Yes
High hardness and good anti-rust ability. Commonly used in household appliances, auto parts, and precision machinery.
304: Non-magnetic, strong rust resistance. Used in perfume bottles and valves.
316L: Non-magnetic, excellent corrosion resistance (ideal for chemical and medical equipment).
| Material | C | Cr | Si | Mn | P | S | Mo | Ni |
|---|---|---|---|---|---|---|---|---|
| AISI 440C | 0.95-1.2 | 16-18 | ≤0.80 | ≤0.80 | ≤0.04 | ≤0.03 | ≤0.75 | ≤0.6 |
| AISI 420C | 0.26-0.43 | 12-14 | ≤0.80 | ≤1.25 | ≤0.035 | ≤0.03 | ≤0.6 | ≤0.6 |
| AISI 304 | ≤0.08 | 18-22 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | -- | 8-10 |
| AISI 316L | ≤0.08 | 16-18 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | 2.0-3.0 | 12-15 |
1 Raw Material: Rod or wire inspection via metallurgical testing.
2 Heading: High-speed heading to form rough spheres.
3 Flashing: Cleaning and smoothing the headed balls.
4 Heat Treatment: Hardening balls in industrial ovens at high temperatures.
5 Grinding & Lapping: Achieving the final sphere size and grade tolerance.
6 Final Inspection: Accurate measurement and testing for quality assurance.
