High-Strength Custom Phosphor Bronze Parts – C51000

Short Description:

Product Specifications
Name： Custom Phosphor Bronze Parts
Standard： ASTM B139 / B103, UNS C51000 / C51900 / C52100, RoHS Compliant, REACH Compliant
Material： C51000 (5% Tin Phosphor Bronze), C51900 / C52100 Variants
Surface： Precision Machined, Optional Oil Grooves or Coatings
Size Range： Diameter/Width 20mm – 500mm (custom per drawing)
Length/Height： 30mm – 1000mm (fully customizable)
Product Features:
Excellent corrosion resistance especially in marine environments · High tensile and fatigue strength · Superior wear and abrasion resistance · Good electrical and thermal conductivity · Outstanding elasticity and spring properties · Low friction surface characteristics · Reliable performance under vibration and shock
Application Field:
Heavy-duty bearings and bushings, Marine propeller shafts and hardware, Pump and valve components, Gear and worm wheel blanks, Electrical connectors and springs, Industrial machinery parts, Hydraulic cylinder rods, Chemical processing equipment, Precision instruments

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Custom Phosphor Bronze Parts – Process & Quality Assurance Statement
Our custom phosphor bronze parts are engineered for applications that require a combination of strength, durability, and resistance to harsh operating conditions.

Key process features

Manufacturing employs robust hot working techniques to deliver consistent material properties across substantial cross-sections:
●Alloy Melting: Premium ingots are carefully melted with controlled phosphorus and tin additions to achieve the desired temper.
●Continuous Casting: Sound billets are produced with slow cooling rates to ensure internal homogeneity.
●Hot Extrusion: High-tonnage presses extrude the heated billet into blanks, refining the grain structure and improving density.
●Heat Treatment: Annealing cycles optimize hardness, ductility, and eliminate extrusion stresses.
●Rough Machining: CNC turning and milling establish basic geometry with allowances for final finishing.
●Precision Machining: High-accuracy operations achieve exact dimensions, threads, grooves, or complex features per your drawings.
●Final Cleaning & Packaging: Parts are thoroughly cleaned and individually protected to arrive ready for assembly.

Quality control system

● Complete traceability from raw ingot batch to finished part
● Material test certificates and dimensional reports provided with each order
● Sample retention ≥3 years for third-party verification (SGS, BV, TÜV, etc.)
● 100% inspection of critical parameters:
• Chemical composition (optical emission spectrometry)
• Mechanical properties (tensile, yield, hardness on sample basis)
• Dimensional accuracy (CMM and gauges; typical tolerance ±0.05mm on key features)
• Surface finish and defects (profilometer and visual checks)
• Internal soundness (ultrasonic testing on larger sizes)
● Internal standards exceed ASTM B139 requirements. Typical C51000 properties:
Tensile strength ≥500 MPa, Excellent fatigue resistance, Superior performance in corrosive and wear environments.
● ISO 9001:2015 certified operations ensure every custom phosphor bronze part meets rigorous quality expectations for your critical projects.