JimaFor
Cutting-Edge Metal Components and Assembly Powered by R&D: From Idea to Final Product.
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Designed for use in extreme hydrogen sulphide (H₂S) environments, our C17200 beryllium-copper alloy oil drilling tool couplings combine superb strength, hydrogen embrittlement resistance and corrosion resistance, making them ideal for use in deep-sea drilling, high-acid gas fields, and high-temperature, high-pressure downhole operations.
2, Features
1. Superior Material Properties of C5191 Phosphor Bronze
Composition & Performance (ASTM B103 compliant):
Sn 6.0-7.0%, P 0.1-0.25%, Cu balance
Hardness: HV 180-220 (cold-rolled hardened)
Elastic Modulus: 110 GPa | Fatigue Limit ≥300 MPa (10⁷ cycles, ISO 12106 tested)
Wear Resistance: Coefficient of friction ≤0.15 (dry conditions), offering 3x lifespan vs. standard brass valve plates.
2. Extreme Condition Adaptability
Temperature Range: -50°C (low-temperature refrigerants) to +150°C (high-pressure discharge) with no brittleness or creep.
Corrosion Resistance: Resists ammonia (NH₃), Freon (R134a/R404A), and ester-based lubricants, passing 1,000hr salt spray tests (ASTM B117).
3, Technical Specifications
Dimensions: Diameter 10-150mm, thickness 0.1-0.5mm
Dynamic Performance:
Operating frequency: ≤200 Hz
Sealing leakage rate: ≤0.1 mL/min (ANSI/ASHRAE 23 standard).
Certifications: ISO 2206 (elastic components), UL 60335-2-34 (appliance safety), RoHS/REACH.
4, Applications
Residential HVAC: Inverter compressor valve plates for R32/R410A eco-friendly refrigerants.
Commercial Refrigeration: High-durability valve plates for cold storage screw compressors.
Industrial Freezing: CO₂ transcritical cycle compressor valve plates for high-pressure resistance.
Medical Cooling: Non-magnetic copper alloy valve plates for MRI cooling systems.