C52400 Phosphor Bronze (10% D) Manufacturer, Supplier & Exporter
ASTM B139, QQ-B750, SAE J461
C52400 Phosphor Bronze Manufacturer in India, C52400 Phosphor Bronze Round Bars Supplier, Phosphor Bronze Instrumentation Fittings Manufacturer, C52400 Phosphor Bronze Forged Elbow Exporter, C52400 Phosphor Bronze Machined Components Manufacturer.
Cunimet Alloys Pvt. Ltd. is a trusted manufacturer and supplier of C52400 Phosphor Bronze, a high-performance copper–tin–phosphorus alloy widely used for demanding mechanical and electrical applications. C52400 is known for its excellent combination of strength, fatigue resistance, good formability, and superior wear and corrosion resistance, making it ideal for components exposed to continuous motion, vibration, and marine or industrial environments.
C52400 Phosphor Bronze offers reliable electrical conductivity along with outstanding spring properties, which makes it suitable for precision parts that require consistent mechanical performance over long service life. The controlled addition of phosphorus improves hardness, machinability, and resistance to deformation, while the higher tin content enhances overall durability and load-bearing capability.
C52400 Phosphor Bronze (10% D)
At Cunimet Alloys Pvt. Ltd., we manufacture and supply C52400 Phosphor Bronze in a wide range of engineered product forms, including bars & rods, tube sheets, and precision machined components such as instrumentation fittings, flanges, forged elbows, tees, rings, and circles. All products are produced in compliance with international quality standards and can be supplied as per customer drawings and technical specifications.
Our manufacturing expertise ensures tight dimensional tolerances, excellent surface finish, and consistent metallurgical quality for critical industrial applications.
For technical details, quotations, or customized requirements for C52400 Phosphor Bronze, contact us at sales@cunimetalloys.com.
Typical Uses for C52400 Phosphor Bronze:
- Industrial: Heavy bars and plates, fittings, expansion plates for bridges
C52400 Phosphor Bronze Rods Stockist in India, C52400 Phosphor Bronze Flanges Stockist, C52400 Phosphor Bronze Forged Tee Manufacturer, C52400 Phosphor Bronze Fittings Manufacturer, C52400 Phosphor Bronze Forged Ring Exporter, and C52400 Phosphor Bronze Forged Circle Manufacturer in India.
| End Product | Specification |
| Bar | ASTM B139, B103 |
| Plate | ASTM B103 |
| Rod | ASTM B139, SAE J463, J461 |
| Rod, Welding | AWS A5.13 |
| Shapes | ASTM B139 |
| Sheet | ASTM B103 |
| Strip | ASTM B103, SAE J463, J461 |
| Wire | ASTM B159 |
| Product Form | Size Range |
|---|---|
| C52400 Phosphor Bronze Bars & Rods | Round, Square & Hex from Ø6 mm to Ø300 mm |
| C52400 Phosphor Bronze Instrumentation Fittings | 1/8” to 2” (As per drawings & applicable standards) |
| C52400 Phosphor Bronze Flanges | ½” to 24” (Class 150 to 2500 / PN 10 to PN 420) |
| C52400 Phosphor Bronze Forged Elbows & Tees | ½” to 24” (Seamless / Forged Construction) |
| C52400 Phosphor Bronze Forged Rings | Outside Diameter up to 2500 mm Thickness up to 300 mm |
| C52400 Phosphor Bronze Forged Circles | Diameter up to 2500 mm Thickness up to 300 mm |
| Custom sizes, tolerances, and finishes are available as per customer drawings and specifications. | |
| UNS | C52400 (Phosphor Bronze – 10% Tin alloy) |
| AMS | Not commonly specified under AMS for Phosphor Bronze C52400 |
| ASTM Standards |
ASTM B103 / B103M – C52400 (Plate, Sheet & Strip), ASTM B139 / B139M – C52400 (Wire) |
| SAE Standards | SAE J461, SAE J463 (Wrought copper alloy products – equivalent) |
| British Standard | BS 2870 – PB104 (Phosphor Bronze – closest equivalent to 10% tin) |
| European Standard (EN) | EN 1652 – CW454K (CuSn10P – equivalent) |
| DIN Standard | DIN 17662 – CuSn10 (equivalent) |
| French Standard (AFNOR) | NF A 51-102 – CuSn10 (equivalent) |
| Japanese Standard | JIS H 3100 – C5240 (Phosphor Bronze – equivalent) |
| ISO / Chemical Designation | CuSn10P |
| Common Names | C52400 Phosphor Bronze, Phosphor Bronze 10% Tin, Phosphor Bronze 10% D, CuSn10P, C5240 |
| Cu | Fe | Pb | P | Sn | Zn | |
| Min/Max | Rem | 0.1 | 0.05 | 0.03 - 0.35 | 9.0 - 11.0 | 0.2 |
| Nominals | 90.0000 | - | - | - | 10.0000 | - |
| Temper | Sect. Size | Cold Work | Type Min | Temp | Tensile Strength | YS 0.05% UL |
YS 0.02% Offset |
YS 0.005% Offset |
Elong. | RH B |
RH C |
RH F |
RH 30T |
VH 500 |
BH 500 |
BH 3000 |
Shear Strgth |
Fatigue Strgth |
Izod Impact Strgth |
| - | in. | % | - | F | ksi | ksi | ksi | ksi | % | B | C | F | 30T | 500 | 500 | 3000 | ksi | ksi | ft-lb |
| - | mm. | - | - | C | MPa | MPa | MPa | MPa | - | - | - | - | - | - | - | - | MPa | MPa | J |
| FLAT PRODUCTS | |||||||||||||||||||
| H02 | 0.04 | 68 | 83 | - | - | - | - | - | - | - | - | - | - | - | - | - | |||
| H02 | 1 | 0 | TYP | 20 | 572 | - | - | - | 32 | 92 | - | - | - | - | - | - | - | - | 0 |
| H06 | 0.04 | 68 | 115 | - | - | - | - | - | - | - | - | - | - | - | - | - | |||
| H06 | 1 | 0 | TYP | 20 | 793 | - | - | - | 7 | 100 | - | - | - | - | - | - | - | - | 0 |
| OS035 | 0.04 | 68 | 66 | 28 | - | - | - | - | - | - | - | - | - | - | - | - | |||
| OS035 | 1 | 0 | TYP | 20 | 455 | 193 | - | - | 68 | 55 | - | - | - | - | - | - | - | - | 0 |
| H04 | 0.04 | 68 | 100 | - | - | - | - | - | - | - | - | - | - | - | - | - | |||
| H04 | 1 | 0 | TYP | 20 | 689 | - | - | - | 13 | 97 | - | - | - | - | - | - | - | - | 0 |
| H08 | 0.04 | 68 | 122 | - | - | - | - | - | - | - | - | - | - | - | - | - | |||
| H08 | 1 | 0 | TYP | 20 | 841 | - | - | - | 4 | 101 | - | - | - | - | - | - | - | - | 0 |
| H10 | 0.04 | 68 | 128 | - | - | - | - | - | - | - | - | - | - | - | - | - | |||
| H10 | 1 | 0 | TYP | 20 | 883 | - | - | - | 3 | 103 | - | - | - | - | - | - | - | - | 0 |
| WIRE | |||||||||||||||||||
| OS035 | 0.08 | 68 | 66 | - | - | - | - | - | - | - | - | - | - | - | - | - | |||
| OS035 | 2 | 0 | TYP | 20 | 455 | - | - | - | 70 | - | - | - | - | - | - | - | - | - | 0 |
| H04 | 0.08 | 68 | 147 | - | - | - | - | - | - | - | - | - | - | - | - | - | |||
| H04 | 2 | 0 | TYP | 20 | 1014 | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 |
| H02 | 0.08 | 68 | 118 | - | - | - | - | - | - | - | - | - | - | - | - | - | |||
| H02 | 2 | 0 | TYP | 20 | 814 | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 |
| H01 | 0.08 | 68 | 93 | - | - | - | - | - | - | - | - | - | - | - | - | - | |||
| H01 | 2 | 0 | TYP | 20 | 641 | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 |
| Product Property | US Customary | Metric |
| Coefficient of Thermal Expansion | 10.2 · 10-6 per oF (68-572 F) | 18.4 · 10-6 per oC (20-300 C) |
| Density | 0.317 lb/in3 @ 68 F | 8.77 gm/cm3 @ 20 C |
| Electrical Conductivity | 11 %IACS @ 68 F | 0.064 MegaSiemens/cm @ 20 C |
| Electrical Resistivity | 94.3 ohms-cmil/ft @ 68 F | 15.68 microhm-cm @ 20 C |
| Melting Point Liquid US | 1830 F | 999 C |
| Melting Point Solid US | 1550 F | 843 C |
| Modulas of Elasticity in Tension | 16000 ksi | 110000 MPa |
| Modulas of Rigidity | 6000 ksi | 41370 MPa |
| Specific Gravity | 8.78 | 8.78 |
| Specific Heat Capacity | 0.09 Btu/lb/oF @ 68 F | 377.1 J/kg · oK at 293 K |
| Thermal Conductivity | 29.0 Btu · ft/(hr · ft2 · oF) @ 68 F | 50.2 W/m · oK at 20 C |
| Joining Technique | Suitability |
| Brazing | Excellent |
| Butt Weld | Excellent |
| Capacity for Being Cold Worked | Good |
| Capacity for Being Hot Formed | Poor |
| Coated Metal Arc Welding | Fair |
| Gas Sheilded Arc Welding | Good |
| Machinability rating | 20 |
| Oxyacetylene Welding | Fair |
| Seam Weld | Fair |
| Soldering | Excellent |
| Spot Weld | Good |
| Standard | Equivalent Specification / Designation |
|---|---|
| UNS | C52100 (Phosphor Bronze – 8% Tin) |
| ASTM |
ASTM B139 – C52100 (Wire), ASTM B103 – C52100 (Plate, Sheet & Strip) |
| SAE | SAE J461, SAE J463 (equivalent wrought copper alloy products) |
| British Standard | BS 2870 – PB102 / PB103 (Phosphor Bronze – closest equivalent to 8% tin) |
| European Standard (EN) | EN 1652 / EN 12166 – CW453K (equivalent) |
| German Standard (DIN) | DIN 17662 – CuSn8 (equivalent) |
| Japanese Standard (JIS) | JIS H 3110 – C5210 (equivalent phosphor bronze) |
| ISO / Chemical Designation | CuSn8 |
| Common Names | C52100 Phosphor Bronze, Phosphor Bronze 8%, CuSn8, CW453K, C5210 |
| C52400 Phosphor Bronze Male Connector | C52400 Phosphor Bronze Male Connector |
| C52400 Phosphor Bronze Bulk Head Male Connector | C52400 Phosphor Bronze Male Elbow |
| C52400 Phosphor Bronze 45 Deg Male Elbow | C52400 Phosphor Bronze Male Branch Tee |
| C52400 Phosphor Bronze Male Run Tee | C52400 Phosphor Bronze Female Connector |
| C52400 Phosphor Bronze Bulkhead Female Connector | C52400 Phosphor Bronze Female Elbow |
| C52400 Phosphor Bronze Female Run Tee | C52400 Phosphor Bronze Female Branch Tee |
| C52400 Phosphor Bronze Union | C52400 Phosphor Bronze Reducer Union |
| C52400 Phosphor Bronze Bulkhead Union | C52400 Phosphor Bronze Union Elbow |
| C52400 Phosphor Bronze Union Tee | C52400 Phosphor Bronze Union Cross |
| C52400 Phosphor Bronze Reducer | C52400 Phosphor Bronze Bulkhead Reducer |
| C52400 Phosphor Bronze Port Connector Tube Fittings | C52400 Phosphor Bronze Male Adapter |
| C52400 Phosphor Bronze Female Adapter | C52400 Phosphor Bronze Tube End Cap |
| C52400 Phosphor Bronze Plug (Port Ends) (TP) | C52400 Phosphor Bronze Tube Socket Weld Union |
| C52400 Phosphor Bronze Male Pipe Weld Connector | C52400 Phosphor Bronze Tube Socket Weld Elbow |
| C52400 Phosphor Bronze Male Pipe Weld Elbow | C52400 Phosphor Bronze Back Ferrule |
| C52400 Phosphor Bronze Front Ferrule |
| C52400 Phosphor Bronze Threaded Square Head Solid Plug | C52400 Phosphor Bronze Threaded Counter Sunk Square Plug |
| C52400 Phosphor Bronze Threaded Floor Flange | C52400 Phosphor Bronze Threaded Lock Nut |
| C52400 Phosphor Bronze Blind Flange | C52400 Phosphor Bronze Threaded Flange |
| C52400 Phosphor Bronze 45 Degree Elbow | C52400 Phosphor Bronze 45 Deg Street Elbow |
| C52400 Phosphor Bronze 45 Deg. Y Branch | C52400 Phosphor Bronze 90 Degree Elbow |
| C52400 Phosphor Bronze 90 Deg. Street Elbow | C52400 Phosphor Bronze Cap |
| C52400 Phosphor Bronze Cored Plug | C52400 Phosphor Bronze Coupling |
| C52400 Phosphor Bronze Hex Bushing | C52400 Phosphor Bronze Coupling Reducer |
| C52400 Phosphor Bronze Street Tee | C52400 Phosphor Bronze Tee |
| C52400 Phosphor Bronze Union | C52400 Phosphor Bronze Locknut |
| C52400 Phosphor Bronze Companion Flange | C52400 Phosphor Bronze Extension Piece |















