India's Leading Brass & Bronze Alloys Machined Components, Pipes & Tubes, Rods Manufacturer
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C53400 Phosphor Bronze (B-1) Manufacturer, Supplier & Exporter

ASTM B139, QQ-B750

C53400 Phosphor Bronze Manufacturer in India, C53400 Phosphor Bronze Round Bars Supplier, Phosphor Bronze Instrumentation Fittings Manufacturer, C53400 Phosphor Bronze Forged Elbow Exporter, C53400 Phosphor Bronze Machined Components Manufacturer.

Cunimet Alloys Pvt. Ltd. is a leading C53400 Phosphor Bronze manufacturer in India, offering premium-quality phosphor bronze products known for excellent corrosion resistance, high strength, and superior wear properties. Our C53400 grade is ideal for applications requiring durability, electrical conductivity, and precision machining.

We supply C53400 Phosphor Bronze in various shapes and forms including bars and rods, as well as machined components such as instrumentation fittings, flanges, forged elbows, tees, rings, and circles. Each product is manufactured under strict quality standards to ensure dimensional accuracy, mechanical performance, and long-term reliability in demanding industrial environments.

C53400 Phosphor Bronze Manufacturer

C53400 Phosphor Bronze (B-1)

Our C53400 Phosphor Bronze products find applications in marine, electrical, instrumentation, automotive, and industrial machinery sectors, where strength, corrosion resistance, and machinability are critical. At Cunimet Alloys, we also provide custom solutions and machining services to meet specific project requirements.

For enquiries or orders, contact us at sales@cunimetalloys.com. Whether you need standard stock items or precision-engineered components, Cunimet Alloys Pvt. Ltd. is your trusted partner for high-quality C53400 Phosphor Bronze in India.

Typical Uses for C53400 Phosphor Bronze:

  • Industrial: Bushings, Bearings, Fasteners
  • Instrumentation Fittings: Used for valves, nuts, ferrules, and adapters in fluid and gas instrumentation systems.

C53400 Phosphor Bronze Rods Stockist in India, C53400 Phosphor Bronze Flanges Stockist, C53400 Phosphor Bronze Forged Tee Manufacturer, C53400 Phosphor Bronze Fittings Manufacturer, C53400 Phosphor Bronze Forged Ring Exporter, and C53400 Phosphor Bronze Forged Circle Manufacturer in India.

Product Specifications
End Product Specification
Bar ASTM B103, B139
Bearings and Bushings MILITARY MIL-B-13501
Plate ASTM B103
Rod ASTM B139
Shapes ASTM B139
Sheet ASTM B103
Strip ASTM B103
Available Shapes & Sizes For C52400 Phosphor Bronze
Product Form Size Range
C53400 Phosphor Bronze Bars & Rods Round, Square & Hex from Ø6 mm to Ø300 mm
C53400 Phosphor Bronze Instrumentation Fittings 1/8” to 2” (As per drawings & applicable standards)
C53400 Phosphor Bronze Flanges ½” to 24” (Class 150 to 2500 / PN 10 to PN 420)
C53400 Phosphor Bronze Forged Elbows & Tees ½” to 24” (Seamless / Forged Construction)
C53400 Phosphor Bronze Forged Rings Outside Diameter up to 2500 mm
Thickness up to 300 mm
C53400 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.
Material Designation & Standards
UNS C53400 (Phosphor Bronze – 5% Tin, 5% Phosphorus alloy)
AMS Not commonly specified under AMS for Phosphor Bronze C53400
ASTM Standards ASTM B103 / B103M – C53400 (Plate, Sheet & Strip),
ASTM B139 / B139M – C53400 (Wire)
SAE Standards SAE J461, SAE J463 (Wrought copper alloy products – equivalent)
British Standard BS 2870 – PB105 (Phosphor Bronze – closest equivalent to 5% tin, 5% phosphorus)
European Standard (EN) EN 1652 – CW451K (CuSn5P – equivalent)
DIN Standard DIN 17662 – CuSn5P (equivalent)
French Standard (AFNOR) NF A 51-102 – CuSn5P (equivalent)
Japanese Standard JIS H 3100 – C5340 (Phosphor Bronze – equivalent)
ISO / Chemical Designation CuSn5P
Common Names C53400 Phosphor Bronze, Phosphor Bronze 5% Tin, 5% Phosphorus, CuSn5P, C5340
C52400 Phosphor Bronze Chemical Composition
  Cu Fe Pb P Sn Zn
Min/Max Rem 0.1 0.8 - 1.2 0.03 - 0.35 3.5 - 5.8 0.3
Nominals 94.2000 - 1.0000 0.1900 4.6000 -
C52400 Phosphor Bronze Mechanical Properties
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
BAR
H02 0     68 70 - - - - - - - - - - - - -  
H02 0 0 SMAX 20 483 - - - - - - - - - - - - - 0
O60 0     68 55 - - - - - - - - - - - - -  
O60 0 0 SMAX 20 380 - - - - - - - - - - - - - 0
H08 0     68 104 - - - - - - - - - - - - -  
H08 0 0 SMAX 20 720 - - - - - - - - - - - - - 0
H06 0     68   - - - - - - - - - - - - -  
H06 0 0 TYP 20   - - - - 91 - - - - - - - - 0
H06 0     68 99 - - - - - - - - - - - - -  
H06 0 0 SMAX 20 685 - - - - - - - - - - - - - 0
H02 0     68 55 - - - - - - - - - - - - -  
H02 0 0 SMIN 20 380 - - - - - - - - - - - - - 0
M20 0     68 60 - - - - - - - - - - - - -  
M20 0 0 SMAX 20 415 - - - - - - - - - - - - - 0
H02 0     68   - - - - - - - - - - - - -  
H02 0 0 TYP 20   - - - - 70 - - - - - - - - 0
H10 0     68 109 - - - - - - - - - - - - -  
H10 0 0 SMAX 20 750 - - - - - - - - - - - - - 0
H04 0     68 72 - - - - - - - - - - - - -  
H04 0 0 SMIN 20 496 - - - - - - - - - - - - - 0
O60 0     68 40 - - - - - - - - - - - - -  
O60 0 0 SMIN 20 275 - - - - - - - - - - - - - 0
O60 0     68   - - - - - - - - - - - - -  
O60 0 0 TYP 20   - - - - 28 - - - - - - - - 0
M20 0     68 40 - - - - - - - - - - - - -  
M20 0 0 SMIN 20 275 - - - - - - - - - - - - - 0
H10 0     68   - - - - - - - - - - - - -  
H10 0 0 TYP 20   - - - - 94 - - - - - - - - 0
H08 0     68 91 - - - - - - - - - - - - -  
H08 0 0 SMIN 20 625 - - - - - - - - - - - - - 0
H04 0     68 87 - - - - - - - - - - - - -  
H04 0 0 SMAX 20 600 - - - - - - - - - - - - - 0
H08 0     68   - - - - - - - - - - - - -  
H08 0 0 TYP 20   - - - - 94 - - - - - - - - 0
H06 0     68 84 - - - - - - - - - - - - -  
H06 0 0 SMIN 20 580 - - - - - - - - - - - - - 0
H04 0     68   - - - - - - - - - - - - -  
H04 0 0 TYP 20   - - - - 86 - - - - - - - - 0
FLAT PRODUCTS
H06 0     68 91 - - - - - - - - - - - - -  
H06 0 0 TYP 20 627 - - - - 91 - - - - - - - - 0
H08 0     68 98 - - - - - - - - - - - - -  
H08 0 0 TYP 20 676 - - - - 94 - - - - - - - - 0
H04 0     68 80 - - - - - - - - - - - - -  
H04 0 0 TYP 20 552 - - - - 86 - - - - - - - - 0
H02 0     68 62 - - - - - - - - - - - - -  
H02 0 0 TYP 20 427 - - - - 70 - - - - - - - - 0
O60 0     68 47 - - - - - - - - - - - - -  
O60 0 0 TYP 20 324 - - - - 28 - - - - - - - - 0
H10 0     68 102 - - - - - - - - - - - - -  
H10 0 0 TYP 20 703 - - - - 94 - - - - - - - - 0
M20 0     68 49 - - - - - - - - - - - - -  
M20 0 0 TYP 20 338 - - - - - - - - - - - - - 0
C52400 Phosphor Bronze Physical Properties
Product Property US Customary Metric
Coefficient of Thermal Expansion 9.9 · 10-6 per oF (68-572 F) 17.14 · 10-6 per oC (20-300 C)
Density 0.322 lb/in3 @ 68 F 8.91 gm/cm3 @ 20 C
Electrical Conductivity 15 %IACS @ 68 F 0.087 MegaSiemens/cm @ 20 C
Electrical Resistivity 69.1 ohms-cmil/ft @ 68 F 11.4 microhm-cm @ 20 C
Melting Point Liquid US 1620 F 1049 C
Melting Point Solid US 1750 F 954 C
Modulas of Elasticity in Tension 16000 ksi 110300 MPa
Modulas of Rigidity 6000 ksi 41300 MPa
Specific Gravity 8.91 8.91
Thermal Conductivity 40.0 Btu · ft/(hr · ft2 · oF) @ 68 F 69.28 W/m · oK at 20 C
C52400 Phosphor Bronze Fabrication
Joining Technique Suitability
Brazing Good
Butt Weld Good
Capacity for Being Cold Worked Good
Capacity for Being Hot Formed Poor
Coated Metal Arc Welding Poor
Gas Sheilded Arc Welding Fair
Machinability rating 70
Oxyacetylene Welding Poor
Seam Weld Fair
Soldering Excellent
Spot Weld Fair
C52400 Phosphor Bronze Equivalent Grades
Standard Equivalent Specification / Designation
UNS C53400 (Phosphor Bronze – 5% Tin, 5% Phosphorus)
ASTM ASTM B139 – C53400 (Wire),
ASTM B103 – C53400 (Plate, Sheet & Strip)
SAE SAE J461, SAE J463 (equivalent wrought copper alloy products)
British Standard BS 2870 – PB105 (Phosphor Bronze – closest equivalent to 5% tin, 5% phosphorus)
European Standard (EN) EN 1652 / EN 12166 – CW451K (equivalent)
German Standard (DIN) DIN 17662 – CuSn5P (equivalent)
Japanese Standard (JIS) JIS H 3110 – C5340 (equivalent phosphor bronze)
ISO / Chemical Designation CuSn5P
Common Names C53400 Phosphor Bronze, Phosphor Bronze 5% Tin 5% Phosphorus, CuSn5P, CW451K, C5340
Types of C52400 Phosphor Bronze Instrumentation Fittings
C53400 Phosphor Bronze Male Connector C53400 Phosphor Bronze Male Connector
C53400 Phosphor Bronze Bulk Head Male Connector C53400 Phosphor Bronze Male Elbow
C53400 Phosphor Bronze 45 Deg Male Elbow C53400 Phosphor Bronze Male Branch Tee
C53400 Phosphor Bronze Male Run Tee C53400 Phosphor Bronze Female Connector
C53400 Phosphor Bronze Bulkhead Female Connector C53400 Phosphor Bronze Female Elbow
C53400 Phosphor Bronze Female Run Tee C53400 Phosphor Bronze Female Branch Tee
C53400 Phosphor Bronze Union C53400 Phosphor Bronze Reducer Union
C53400 Phosphor Bronze Bulkhead Union C53400 Phosphor Bronze Union Elbow
C53400 Phosphor Bronze Union Tee C53400 Phosphor Bronze Union Cross
C53400 Phosphor Bronze Reducer C53400 Phosphor Bronze Bulkhead Reducer
C53400 Phosphor Bronze Port Connector Tube Fittings C53400 Phosphor Bronze Male Adapter
C53400 Phosphor Bronze Female Adapter C53400 Phosphor Bronze Tube End Cap
C53400 Phosphor Bronze Plug (Port Ends) (TP) C53400 Phosphor Bronze Tube Socket Weld Union
C53400 Phosphor Bronze Male Pipe Weld Connector C53400 Phosphor Bronze Tube Socket Weld Elbow
C53400 Phosphor Bronze Male Pipe Weld Elbow C53400 Phosphor Bronze Back Ferrule
C53400 Phosphor Bronze Front Ferrule
Types of C52400 Phosphor Bronze Fittings
C53400 Phosphor Bronze Threaded Square Head Solid Plug C53400 Phosphor Bronze Threaded Counter Sunk Square Plug
C53400 Phosphor Bronze Threaded Floor Flange C53400 Phosphor Bronze Threaded Lock Nut
C53400 Phosphor Bronze Blind Flange C53400 Phosphor Bronze Threaded Flange
C53400 Phosphor Bronze 45 Degree Elbow C53400 Phosphor Bronze 45 Deg Street Elbow
C53400 Phosphor Bronze 45 Deg. Y Branch C53400 Phosphor Bronze 90 Degree Elbow
C53400 Phosphor Bronze 90 Deg. Street Elbow C53400 Phosphor Bronze Cap
C53400 Phosphor Bronze Cored Plug C53400 Phosphor Bronze Coupling
C53400 Phosphor Bronze Hex Bushing C53400 Phosphor Bronze Coupling Reducer
C53400 Phosphor Bronze Street Tee C53400 Phosphor Bronze Tee
C53400 Phosphor Bronze Union C53400 Phosphor Bronze Locknut
C53400 Phosphor Bronze Companion Flange C53400 Phosphor Bronze Extension Piece
Industries & Applications We Serve
Exporting C52400 Phosphor Bronze Worldwide
We export C52400 Phosphor Bronze to countries across the globe, including Afghanistan, Albania, Andorra, Austria, Bahrain, Bangladesh, Bhutan, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal, North Korea, Netherlands, Norway, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, Singapore, South Korea, South Africa, Sri Lanka, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, United States, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen
We supply C52400 Phosphor Bronze to cities including Mumbai, Delhi, Kolkata, Chennai, Bengaluru, Hyderabad, Ahmedabad, Pune, Surat, Jaipur, Kanpur, Lucknow, Nagpur, Ghaziabad, Indore, Coimbatore, Kochi, Patna, Kozhikode, Bhopal, Thrissur, Vadodara, Agra, Malappuram, Thiruvananthapuram, Kannur, Ludhiana, Nashik, Vijayawada, Madurai, Varanasi, Meerut, Faridabad, Rajkot, Jamshedpur, Srinagar, Jabalpur, Asansol, Vasai-Virar City, Allahabad, Dhanbad, Aurangabad, Amritsar, Jodhpur, Ranchi, Raipur, Kollam, Gwalior, Durg-Bhilainagar, Chandigarh, and Tiruchirappalli.