Key alloys into categories, highlighting their unique advantages.

1. Red Brass & Semi-Red Brass Alloys

Ideal for plumbing, valves, and low-pressure hardware.

• C83600 (Red Brass/Composition Bronze):
  • Composition: 85% Cu, 5% Sn, 5% Pb, 5% Zn.
  • Properties: Excellent castability, good machinability (84/100), and moderate strength (37 ksi tensile).
  • Applications: Low-pressure valves, pipe fittings, and plumbing components.
• C84400 (Semi-Red Brass):
  • Composition: 81% Cu, 3% Sn, 7% Pb, 9% Zn.
  • Properties: Lightweight (0.314 lb/in³), excellent soldering, and high fluidity.
  • Applications: Hardware, fixtures, and low-pressure fittings.

2. High-Strength Manganese Bronze Alloys

Built for heavy-duty marine and industrial applications.

• C86300 (110,000 Tensile Manganese Bronze):
  • Properties: Exceptional strength (119 ksi tensile, 83 ksi yield), but poor corrosion resistance in marine settings.
  • Applications: Gears, cams, and hydraulic components.
• C86500 (65,000 Tensile Manganese Bronze):
  • Properties: Balanced strength (71 ksi tensile) with superior saltwater resistance.
  • Applications: Propeller hubs, marine gears, and freshwater systems.

3. Tin Bronzes

Perfect for bearings, bushings, and steam fittings.

• C90300 (Tin Bronze):
  • Composition: 88% Cu, 8% Sn.
  • Properties: High elongation (30%), excellent fatigue resistance.
  • Applications: Bearings, pump impellers, and steam fittings.
• C93200 (High-Leaded Tin Bronze):
  • Composition: 83% Cu, 7% Sn, 7% Pb.
  • Properties: Superior machinability (70/100) and wear resistance.
  • Applications: General-purpose bearings and bushings.

4. Aluminum Bronzes

For extreme environments requiring corrosion and fatigue resistance.

• C95400 (Aluminum Bronze):
  • Composition: 85% Cu, 11% Al.
  • Properties: High hardness (175 BHN), excellent strength (85 ksi tensile).
  • Applications: Pump impellers, rolling mill components, and non-sparking tools.
• C95500 (Nickel-Aluminum Bronze):
  • Composition: 81% Cu, 11% Al, 4% Ni.
  • Properties: Exceptional fatigue strength (31 ksi), corrosion resistance, and high-temperature performance.
  • Applications: Gun mounts, propeller blades, and heavily loaded bearings.

 & Compliance

Our alloys meet rigorous ASTM,  standards, ensuring reliability in critical applications. Whether you need:

• Tailored Shrinkage Allowances (e.g., 1.5–2.3% for precise casting).
• Optimized Joining Methods (soldering/brazing compatibility).
• Unique Mechanical Properties (e.g., C86200’s 95 ksi tensile for marine gears).

We specialize in custom bronze parts to meet your exact specifications.

Conclusion: Match Your Needs to the Right Alloy

Key Components & Their Alloy Recommendations

1. Custom Bronze Rings

Applications: Seals, spacers, wear rings, and hydraulic/pneumatic systems.

• C93200 (High-Leaded Tin Bronze):
  • Why: Excellent machinability (70/100 rating) and low friction due to 7% lead content.
  • Properties: 35 ksi tensile strength, 65 Brinell hardness.
  • Ideal For: Wear rings in pumps or compressors.
• C95400 (Aluminum Bronze):
  • Why: Superior corrosion resistance and high fatigue strength (28 ksi).
  • Properties: 85 ksi tensile, 175 Brinell hardness.
  • Ideal For: Rings in corrosive or high-temperature environments.

2. Flanged Bearings

Applications: Support rotating shafts in machinery, automotive, and marine systems.

• C86300 (Manganese Bronze):
  • Why: Extreme strength (119 ksi tensile) and load-bearing capacity.
  • Properties: 225 Brinell hardness, 18% elongation.
  • Ideal For: Heavy-duty flanged bearings in industrial gearboxes.
• C90300 (Tin Bronze):
  • Why: Balanced strength (45 ksi tensile) and wear resistance.
  • Properties: 70 Brinell hardness, 30% elongation.
  • Ideal For: Medium-load bearings in agricultural equipment.

3. Slide Plates

Applications: Low-friction sliding surfaces in construction, mining, and material handling.

• C95500 (Nickel-Aluminum Bronze):
  • Why: Exceptional hardness (195 Brinell) and resistance to galling.
  • Properties: 95 ksi tensile, 31 ksi fatigue strength.
  • Ideal For: Slide plates in high-stress mining equipment.
• C84400 (Semi-Red Brass):
  • Why: Cost-effective with good machinability (90/100 rating).
  • Properties: 34 ksi tensile, 55 Brinell hardness.
  • Ideal For: Light-duty slide plates in conveyor systems.

4. Thrust Washers

Applications: Axial load management in engines, turbines, and transmissions.

• C95200 (Aluminum Bronze):
  • Why: High wear resistance and thermal stability.
  • Properties: 80 ksi tensile, 110 Brinell hardness.
  • Ideal For: Thrust washers in high-speed rotating machinery.
• C93200 (High-Leaded Tin Bronze):
  • Why: Self-lubricating properties from lead content (7%).
  • Properties: 35 ksi tensile, 65 Brinell hardness.
  • Ideal For: Low-maintenance thrust washers in automotive systems.

From red brass for plumbing to aluminum bronze for extreme conditions, each alloy offers distinct advantages. Consider factors like:

• Load Requirements (e.g., C86300 for heavy loads).
• Environmental Exposure (e.g., C86500 for saltwater).
• Machining Complexity (e.g., C93200 for easy machining).

Need a custom solution? Contact us to discuss how our alloys can optimize your bearings, bushings, or specialized components.

Optimize performance with the right material—let’s engineer success together. 🛠️