Durable Special Profile Phosphor Bronze Sleeves

Short Description:

Product Specifications
Name： Custom Shaped Phosphor Bronze Bushing
Standard： ASTM B139 / B103, UNS C51000 / C51900 / C52100, RoHS Compliant, REACH Compliant
Material： C51000 (Phosphor Bronze, 5% Tin), C51900 / C52100 Variants
Surface： Precision Machined, Smooth Finish, Optional Oil Grooves or Graphite Plugs
Inner Diameter (ID)： 10mm – 200mm (custom shaped profiles)
Outer Diameter (OD)： 20mm – 300mm
Length： 20mm – 500mm (fully customizable per drawing)
Product Features: Excellent wear and fatigue resistance · Superior corrosion resistance in harsh conditions · High strength and elasticity for heavy loads · Good electrical conductivity · Low friction with self-lubricating options · Precise custom shaping for perfect fit · Long service life under vibration and shock
Application Field: Heavy machinery and construction equipment, Automotive suspension and transmission, Marine and offshore hardware, Pumps, valves, and compressors, Agricultural machinery, Industrial gearboxes and actuators, Precision instruments, Hydraulic cylinders, Mining and quarrying tools

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Custom Shaped Phosphor Bronze Bushing – Process & Quality Assurance Statement
Our custom shaped phosphor bronze bushings are manufactured to your exact drawings, providing tailored solutions that combine the inherent resilience of phosphor bronze with precise geometry for optimal performance in demanding mechanical environments.

Key process features

Production follows a flexible, client-focused workflow to ensure every part meets specific requirements:
●Design Review: Your drawings are analyzed to confirm feasibility and recommend any material or tolerance optimizations.
●Material Casting: Certified phosphor bronze is melted and cast into blanks with controlled tin and phosphorus levels for consistent properties.
●Rough Forming: Blanks are hot worked or machined to near-net custom shape, reducing waste and preserving material strength.
●Precision Machining: CNC turning, milling, and boring achieve exact inner/outer profiles and surface finish.
●Optional Enhancements: Oil grooves, graphite inserts, or surface treatments added as specified for lubrication or wear improvement.
●Heat Treatment: Annealing or tempering optimizes hardness and elasticity balance.
●Final Cleaning & Packaging: Parts are ultrasonically cleaned and individually protected to arrive ready for assembly.

Quality control system

● Full traceability from raw material batch to finished custom bushing
● Detailed inspection reports and material certificates provided with each shipment ● Sample retention ≥3 years for third-party verification (SGS, BV, TÜV, etc.)
● 100% inspection of key parameters:
• Chemical composition (optical emission spectrometry)
• Mechanical properties (hardness, tensile, and fatigue testing on samples)
• Dimensional accuracy (CMM and profile gauges; typical tolerance ±0.02mm on critical features)
• Surface finish and shape conformity (profilometer + 3D scanning)
• Functional checks (fit testing with provided mating parts where applicable)
● Internal standards exceed ASTM B139 requirements. Typical C51000 custom properties: Tensile strength ≥500 MPa, Excellent spring-back and wear resistance, Proven reliability in custom high-stress configurations.
● ISO 9001:2015 certified manufacturing ensures every custom shaped phosphor bronze bushing delivers the precise fit, durability, and performance your specialized applications require.