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C52100 Phosphor Bronze
The bronze alloy is made by pure copper(red copper) after adding tin or plumbum alloys. Compared with pure copper (red copper), bronze has high strength and low melting point (25% tin bronze's melting point is 800℃).The melting point of pure copper (red copper) is 1083℃.Bronze has good performance in casting, abrasion resistance and stability of chemical properties. Beryllium bronze, aluminum bronze, tin bronze and CuNi2Si bronze are popular alloy types of bronze.
| General Specifications & Dimensions | ||
| Parameter | Specification / Range | Notes |
| Common Alloy Types | Phosphor Bronze, Aluminum Bronze, Silicon Bronze, Leaded Tin Bronze, Manganese Bronze | Different alloys provide distinct mechanical properties for bearing, structural, and corrosion-resistant applications. |
| Common UNS Grades | C51000, C52100, C54400, C61300, C63000, C65100, C65500, C86300, C93200 (SAE 660), C95400 | Grade selection depends on required strength, wear resistance, and machinability. |
| Shape Types | Round, Square, Hexagonal, Rectangular (Flat Bar) | Various cross-sections available for different machining and fabrication needs. |
| Diameter (Round Bar) | 0.2 in – 6 in (5 mm – 150 mm) | Diameter range varies significantly depending on alloy and manufacturing process. |
| Width (Rectangular Bar) | 0.2 in – 6 in (5 mm – 150 mm) | / |
| Thickness (Rectangular Bar) | 0.125 in – 3.15 in (3 mm – 80 mm) | / |
| Length | 6 ft – 20 ft (2000 mm – 6000 mm) standard; custom lengths available | Longer or shorter lengths available upon request. |
| Diameter Tolerance | Ground: ±0.001 in (±0.025 mm); Drawn: ±0.002 in (±0.05 mm); Extruded: ±0.010 in (±0.25 mm) | Tolerances vary by finishing process and applicable standard. |
| Length Tolerance | <100 mm: ±1 mm; ≥100 mm: +5 / -1% | Per typical supplier tolerances for precision rods. |
| Applicable Standards | ASTM B505, ASTM B139, ASTM B150, ASTM B98, SAE 841, SAE 660, ISO 9001 | Standards govern chemical composition, mechanical properties, and dimensions. |
| Manufacturing Process | Continuous Cast, Centrifugal Cast, Extruded, Drawn | Continuous casting provides uniform grain structure; drawn bars offer tighter tolerances. |
| Surface Finish | Mill Finish, Drawn (Bright), Turned, Ground, Polished, Pickled | Finish depends on alloy and application requirements. |
| Dimensional Tolerances | ||
| Parameter | Tolerance Specification | Notes |
| Diameter Tolerance (Drawn) | ±0.05 mm (±0.002 in) | Tight tolerances for precision applications. |
| Diameter Tolerance (Ground) | ±0.025 mm (±0.001 in) | Highest precision finish. |
| Diameter Tolerance (Extruded) | ±0.25 mm (±0.010 in) | Standard mill finish tolerances. |
| Diameter Tolerance (≤10 mm) | ±10% | Per typical supplier specifications. |
| Diameter Tolerance (>10 mm) | ±5% | Per typical supplier specifications. |
| Length Tolerance (<100 mm) | ±1 mm | For precision-cut lengths. |
| Length Tolerance (≥100 mm) | +5 / -1% | For longer length bars. |
| Mechanical Properties (By Alloy & Temper) | ||||
| UNS Number / Grade | Temper / Condition | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
| C93200 (SAE 660) | Continuous Cast | 240 min (35,000 psi) | 138 min (20,000 psi) | 10 min |
| C95400 | As Cast | ≥ 500 | ≥ 260 | ≥ 10 |
| C95400 | TQ50 Temper | 620 | 310 | 8 |
| C63000 | As-Manufactured | 655 – 862 | 290 – 552 | 13 – 20 |
| CuSn5 (C51000) | As Rolled | 320 – 740 | / | 60 max |
| C86300 | Cast | ≥ 750 | ≥ 450 | ≥ 12 |
| CuAl10Ni5Fe5 | Cast | ≥ 500 | ≥ 260 | ≥ 10 |
| Oilite (SAE 841) | Sintered | / | 76 MPa (11,000 psi) | / |
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