C27400 Yellow Brass 63/37
C27400 Yellow Brass, also known as 63/37 brass, is a highly versatile copper-zinc alloy that offers excellent strength, corrosion resistance, and formability. With 63% copper and 37% zinc, it is widely used in applications requiring both durability and a polished appearance. Its excellent machinability and ease of fabrication make it suitable for a variety of industries, including plumbing, electrical, and decorative applications. C27400 is also resistant to dezincification, making it a reliable choice for components exposed to water and moisture. It offers better hot formability and greater strength than C26000.
At Sunflex Metal Industries, we specialize in providing top-quality C27400 Yellow Brass products that meet the highest industry standards. Whether you need this alloy for manufacturing fittings, valves, or decorative hardware, our expert team is ready to assist you with your material requirements. Contact us today at sales@sunflexfittings.com to learn more about our C27400 offerings and how we can support your next project with precision and efficiency.
C27400 Yellow Brass 63/37 uses:
C27400 Yellow Brass (63/37) is a versatile alloy commonly used in various industries due to its excellent strength, corrosion resistance, and machinability. Typical uses include:
- Plumbing Fixtures: Ideal for valves, fittings, and faucets due to its resistance to corrosion and dezincification.
- Electrical Components: Used in connectors, terminals, and other electrical hardware because of its conductivity and ease of fabrication.
- Automotive Parts: Suitable for radiator cores, heat exchangers, and various components that require both strength and durability.
- Industrial Applications: Used in fasteners, bushings, and other machine parts due to its high machinability and formability.
- Decorative Hardware: Popular for making handles, knobs, and ornamental trim thanks to its polished appearance and ability to maintain a smooth surface finish.
- Musical Instruments: Utilized in the manufacture of brass instruments like trumpets and trombones for its acoustic properties and workability.
Specifications
| End Product | Specification |
| Tube | ASTM B135 |
| Wire | ASTM B134 |
Chemical Composition
| Cu | Fe | Pb | Zn | |
| Min./Max. | 61.0-64.0 | .05 | .09 | Rem. |
| Nominal | 62.5 | – | – | 37.5 |
Temper
| Product Type | Temper Type |
| TUBE | H55, H80, O50, O60 |
| WIRE | H01, H02, H03, H04, H06, H08, H10, OS015, OS025, OS035, OS050, OS070 |
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 |
| Tube | |||||||||||||||||||
| OS025 | 0.0 | 0 | TYP | 68 | 56 | 23 | – | – | 50 | – | – | 82 | – | – | – | – | – | – | 0.0 |
| 0.0 | 20 | 386 | 159 | – | – | 50 | – | – | 82 | – | – | – | – | – | – | 0.0 | |||
| H80 | 0.0 | 0 | TYP | 68 | 74 | 55 | – | – | 10 | 80 | – | – | – | – | – | – | – | – | 0.0 |
| 0.0 | 20 | 510 | 379 | – | – | 10 | 80 | – | – | – | – | – | – | – | – | 0.0 |
Physical Properties
| Product Property | US Customary | Metric |
| Melting Point – Liquidus | 1680 F | 916 C |
| Density | 0.305 lb/in3 at 68 F | 8.44 gm/cm3 @ 20 C |
| Specific Gravity | 8.440 | 8.44 |
| Electrical Conductivity | 27.60 %IACS @ 68 F | 0.161 MegaSiemens/cm @ 20 C |
| Thermal Conductivity | 67 Btu ̴ÌÁ ft/(hr ̴ÌÁ ft2̴ÌÁoF)at 68F | 116.0 W/m ̴ÌÁ oK at 20 C |
| Coefficient of Thermal Expansion | 11.40 ̴ÌÁ10-6 per oF (68-572 F) | 20.5 ̴ÌÁ10-6 per oC (20-300 C) |
| Specific Heat Capacity | 0.090 Btu/lb/oF at 68 F | 377.1 J/kg ̴ÌÁ oK at 293 K |
| Modulas of Elasticity in Tension | 15000 ksi | 103400 MPa |
| Modulus of Rigidity | 5600 ksi | 38610 MPa |
Fabrication
| Joining Technique | Suitability |
| Soldering | Excellent |
| Brazing | Excellent |
| Oxyacetylene Welding | Good |
| Gas Shielded Arc Welding | Fair |
| Coated Metal Arc Welding | Not Recommended |
| Spot Weld | Good |
| Seam Weld | Not Recommended |
| Butt Weld | Good |
| Capacity for Being Cold Worked | Excellent |
| Capacity for Being Hot Formed | Fair |
| Machinability Rating | 35 |
Applications & Industries where our C27400 Yellow Brass 63/37 are used
Sunflex Metal Industries is a prominent supplier & exporter of C27400 Yellow Brass 63/37, which is widely used in the following applications:
C27400 Yellow Brass 63/37 are mainly used in plumbing fixtures, electrical components, automotive parts, industrial applications, decorative hardware, musical instruments, etc.
Prominent Countries Where We Export C27400 Yellow Brass 63/37
Exporting C27400 Yellow Brass 63/37 to Singapore, Malaysia, Hongkong, Thailand, Indonesia, Taiwan. Other countries includes Australia, Afghanistan, Albania, Andorra, Austria, Bahrain, Bangladesh, Bhutan, Brunei, Belarus, Belgium, Bulgaria, Canada, Cambodia, China, Cyprus, Croatia, Czech Republic, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Mexico, Malta, Moldova, Monaco, Maldives, Mongolia, Myanmar (Burma), Nepal, North Korea, Netherlands, Norway, Oman, Poland, Portugal, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, South Korea, South Africa, Sri Lanka, Syria, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United States, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen
Send your requirement today. We respond to all enquiries within 4-5 business hours. You can email us your requirement on sales@sunflexfittings.com