C26000 Cartridge Brass 70/30 (CDA 260)
ASTM B36 (Bar, Sheet, and Plate), ASTM B135 (Tubing), SAE J461, EN equivalent for this alloy CuZn30
At Sunflex Metal Industries, we supply C26000 Cartridge Brass 70/30, a highly versatile alloy known for its excellent formability, strength, and corrosion resistance. This brass is composed of 70% copper and 30% zinc, offering an ideal balance of properties that make it suitable for a wide range of applications. Whether you’re manufacturing ammunition casings, electrical components, or decorative hardware, C26000 delivers consistent performance with its easy machinability and excellent ductility.
C26000 Cartridge Brass is also prized for its ability to maintain its integrity in harsh environments, making it a top choice for applications requiring durability and reliability. With its bright, attractive finish, this alloy is often used in architectural and decorative items as well. For inquiries or to discuss how C26000 can meet your specific project needs, contact Sunflex Metal Industries at sales@sunflexfittings.com. Let us help you source the perfect brass alloy for your applications.
C26000 Cartridge Brass 70/30 uses:
C26000 Cartridge Brass “70/30” is widely used in various industries due to its excellent properties. Typical uses include:
- Ammunition Casings: Known for its high ductility and ability to withstand the high pressures generated during firing.
- Electrical Components: Used in connectors, terminals, and other electrical parts due to its good electrical conductivity and ease of forming.
- Decorative Hardware: Popular in architectural elements and decorative items for its bright finish and ease of machining.
- Heat Exchanger Tubes: Employed in HVAC systems and other applications where thermal conductivity and corrosion resistance are essential.
- Fasteners and Fittings: Used in various mechanical and plumbing applications due to its strength and resistance to wear.
- Automotive Radiators: Utilized in vehicle cooling systems for its ability to conduct heat effectively and resist corrosion.
Specifications
| End Product | Specification |
| Bar | ASTM B36, B19, SAE J463, J461 |
| Brazing Filler Metal | FEDERAL QQ-B-650 |
| Cups, Cartridge Case | ASTM B129, MILITARY MIL-C-10375, |
| Disk | ASTM B19 |
| Plate | AMS 4507, 4505, ASTM B19, B36 |
| Rod | SAE J463, J461 |
| Sheet | AMS 4507, 5408, 4505, ASTM B19, B36, SAE J463, J461 |
| Shim Stock, Laminated | MILITARY MIL-S-22499 |
| Strip | AMS 4507, 4505, ASTM B36, B569, B19, B888, SAE J463, J461 |
| Tube, Seamless | ASTM B135, FEDERAL WW-T-791, MILITARY MIL-T-20219, SAE J463, J461 |
| Tube, Welded | ASTM B587, B587 |
| Wire | ASTM B134, SAE J463, J461 |
Chemical Composition
| Cu | Fe | Pb | Zn | |
| Min/Max | 68.5 – 71.5 | 0.05 | 0.07 | Rem |
| Nominals | 70.0000 | – | – | 30.0000 |
Temper
| Product Type | Temper Type |
| BAR, ROLLED | H02, OS070, OS100 |
| SHEET | H01, H02, OS035, OS050, OS070 |
| STRIP, ROLLED | H01, H02, H04, H06, H08, H10, OS015, OS025, OS035, OS050, OS070, OS100 |
| WIRE, DRAWN | H02, OS050 |
| WIRE, ROLLED | H02, H04, H06, OS035, OS050, OS070, OS100 |
| SHAPES | M30 |
| TUBE | H58, H80, OS025, OS050 |
| WIRE | H00, H01, H06, H08, OS015, OS025, OS035, OS050 |
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 |
| FLAT PRODUCTS | |||||||||||||||||||
| OS015 | 0.04 | 68 | 53 | 22 | – | – | – | – | – | – | – | – | – | – | 35 | 14 | |||
| OS015 | 1 | 0 | TYP | 20 | 365 | 152 | – | – | 54 | – | – | 78 | 43 | – | – | – | 241 | 97 | 0 |
| H02 | 0.04 | 68 | 62 | 52 | – | – | – | – | – | – | – | – | – | – | 40 | 18 | |||
| H02 | 1 | 0 | TYP | 20 | 427 | 359 | – | – | 25 | 70 | – | – | 65 | – | – | – | 276 | 124 | 0 |
| H06 | 0.04 | 68 | 86 | 65 | – | – | – | – | – | – | – | – | – | – | 46 | – | |||
| H06 | 1 | 0 | TYP | 20 | 593 | 448 | – | – | 5 | 88 | – | – | 76 | – | – | – | 317 | – | 0 |
| OS100 | 0.04 | 68 | 44 | 11 | – | – | – | – | – | – | – | – | – | – | – | 2 | |||
| OS100 | 1 | 0 | TYP | 20 | 303 | 76 | – | – | 66 | – | – | 54 | 11 | – | – | – | – | 13 | 0 |
| OS035 | 0.04 | 68 | 49 | 17 | – | – | – | – | – | – | – | – | – | – | 34 | 14 | |||
| OS035 | 1 | 0 | TYP | 20 | 338 | 117 | – | – | 57 | – | – | 68 | 31 | – | – | – | 234 | 97 | 0 |
| H04 | 0.04 | 68 | 76 | 63 | – | – | – | – | – | – | – | – | – | – | 44 | 21 | |||
| H04 | 1 | 0 | TYP | 20 | 524 | 434 | – | – | 8 | 82 | – | – | 73 | – | – | – | 303 | 145 | 0 |
| H08 | 0.04 | 68 | 94 | 65 | – | – | – | – | – | – | – | – | – | – | 48 | 23 | |||
| H08 | 1 | 0 | TYP | 20 | 648 | 448 | – | – | 3 | 91 | – | – | 77 | – | – | – | 331 | 159 | 0 |
| OS070 | 0.04 | 68 | 46 | 14 | – | – | – | – | – | – | – | – | – | – | 32 | 13 | |||
| OS070 | 1 | 0 | TYP | 20 | 317 | 97 | – | – | 65 | – | – | 58 | 15 | – | – | – | 221 | 90 | 0 |
| OS050 | 0.04 | 68 | 47 | 15 | – | – | – | – | – | – | – | – | – | – | – | – | |||
| OS050 | 1 | 0 | TYP | 20 | 324 | 103 | – | – | 62 | – | – | 64 | 26 | – | – | – | – | – | 0 |
| H10 | 0.04 | 68 | 99 | 65 | – | – | – | – | – | – | – | – | – | – | – | – | |||
| H10 | 1 | 0 | TYP | 20 | 683 | 448 | – | – | 3 | 93 | – | – | 78 | – | – | – | – | – | 0 |
| H01 | 0.04 | 68 | 54 | 40 | – | – | – | – | – | – | – | – | – | – | 36 | – | |||
| H01 | 1 | 0 | TYP | 20 | 372 | 276 | – | – | 43 | 55 | – | – | 54 | – | – | – | 248 | – | 0 |
| ROD | |||||||||||||||||||
| H02 | 1 | 68 | 70 | 52 | – | – | – | – | – | – | – | – | – | – | 42 | 22 | |||
| H02 | 25.4 | 20 | TYP | 20 | 483 | 359 | – | – | 30 | 80 | – | – | – | – | – | – | 290 | 152 | 0 |
| OS050 | 1 | 68 | 48 | 16 | – | – | – | – | – | – | – | – | – | – | 34 | – | |||
| OS050 | 25.4 | 0 | TYP | 20 | 331 | 110 | – | – | 65 | – | – | 65 | – | – | – | – | 234 | – | 0 |
| H00 | 1 | 68 | 55 | 40 | – | – | – | – | – | – | – | – | – | – | 36 | – | |||
| H00 | 25.4 | 6 | TYP | 20 | 379 | 276 | – | – | 48 | 60 | – | – | – | – | – | – | 248 | – | 0 |
| TUBE | |||||||||||||||||||
| H80 | 0 | 68 | 78 | 64 | – | – | – | – | – | – | – | – | – | – | – | – | |||
| H80 | 0 | 35 | TYP | 20 | 538 | 441 | – | – | 8 | 82 | – | – | 73 | – | – | – | – | – | 0 |
| OS025 | 0 | 68 | 52 | 20 | – | – | – | – | – | – | – | – | – | – | – | – | |||
| OS025 | 0 | 0 | TYP | 20 | 359 | 138 | – | – | 55 | – | – | 75 | 40 | – | – | – | – | – | 0 |
| OS050 | 0 | 68 | 47 | 15 | – | – | – | – | – | – | – | – | – | – | – | – | |||
| OS050 | 0 | 0 | TYP | 20 | 324 | 103 | – | – | 65 | – | – | 64 | 26 | – | – | – | – | – | 0 |
| WIRE | |||||||||||||||||||
| OS035 | 0.08 | 68 | 50 | – | – | – | – | – | – | – | – | – | – | – | 34 | – | |||
| OS035 | 2 | 0 | TYP | 20 | 345 | – | – | – | 60 | – | – | – | – | – | – | – | 234 | – | 0 |
| H08 | 0.08 | 68 | 130 | – | – | – | – | – | – | – | – | – | – | – | 60 | 22 | |||
| H08 | 2 | 0 | TYP | 20 | 896 | – | – | – | 3 | – | – | – | – | – | – | – | 414 | 152 | 0 |
| OS025 | 0.08 | 68 | 52 | – | – | – | – | – | – | – | – | – | – | – | – | – | |||
| OS025 | 2 | 0 | TYP | 20 | 359 | – | – | – | 58 | – | – | – | – | – | – | – | – | – | 0 |
| OS015 | 0.08 | 68 | 54 | – | – | – | – | – | – | – | – | – | – | – | – | – | |||
| OS015 | 2 | 0 | TYP | 20 | 372 | – | – | – | 56 | – | – | – | – | – | – | – | – | – | 0 |
| OS050 | 0.08 | 68 | 48 | – | – | – | – | – | – | – | – | – | – | – | – | – | |||
| OS050 | 2 | 0 | TYP | 20 | 331 | – | – | – | 64 | – | – | – | – | – | – | – | – | – | 0 |
| H00 | 0.08 | 68 | 58 | – | – | – | – | – | – | – | – | – | – | – | 38 | – | |||
| H00 | 2 | 0 | TYP | 20 | 400 | – | – | – | 35 | – | – | – | – | – | – | – | 262 | – | 0 |
| H01 | 0.08 | 68 | 70 | – | – | – | – | – | – | – | – | – | – | – | – | – | |||
| H01 | 2 | 0 | TYP | 20 | 483 | – | – | – | 20 | – | – | – | – | – | – | – | – | – | 0 |
| H06 | 0.08 | 68 | 124 | – | – | – | – | – | – | – | – | – | – | – | – | – | |||
| H06 | 2 | 0 | TYP | 20 | 855 | – | – | – | 4 | – | – | – | – | – | – | – | – | – | 0 |
Physical Properties
| Product Property | US Customary | Metric |
| Coefficient of Thermal Expansion | 11.1 ÌÎ?̴ÌÁ10-6 per ÌÎ?̴åÁF (68-572 ÌÎ?̴åÁF) | 20.0 ÌÎ?̴ÌÁ 10 6? per ÌÎ?̴åÁC (20-300 C) |
| Density | 0.308 lb/in3 @ 68 F | 8.53 gm/cm3 @ 20 C |
| Electrical Conductivity | 28 %IACS @ 68 F | 0.164 MegaSiemens/cm @ 20 C |
| Electrical Resistivity | 37.0 ohms-cmil/ft @ 68 F | 6.15 microhm-cm @ 20 C |
| Melting Point Liquid US | 1750 F | 954 C |
| Melting Point Solid US | 1680 F | 916 C |
| Modulas of Elasticity in Tension | 16000 ksi | 110000 MPa |
| Modulas of Rigidity | 6000 ksi | 41370 MPa |
| Specific Gravity | 8.53 | 8.53 |
| Specific Heat Capacity | 0.09 Btu/lb/ÌÎ?̴åÁF @ 68 F | 377.1 J/kg ÌÎ?̴ÌÁ ÌÎ?̴åÁK at 293 K |
| Thermal Conductivity | 70.0 Btu ÌÎ?̴ÌÁ ft/(hr ÌÎ?̴ÌÁ ft2 ÌÎ?̴ÌÁÌÎ?̴åÁF) @ 68 F | 121.2 W/m ÌÎ?̴ÌÁ ÌÎ?̴åÁK at 20 C |
Fabrication
| Joining Technique | Suitability |
| Brazing | Excellent |
| Butt Weld | Good |
| Capacity for Being Cold Worked | Excellent |
| Capacity for Being Hot Formed | Fair |
| Coated Metal Arc Welding | Not Recommended |
| Gas Sheilded Arc Welding | Good |
| Machinability rating | 30 |
| Oxyacetylene Welding | Good |
| Seam Weld | Not Recommended |
| Soldering | Excellent |
| Spot Weld | Fair |
Applications & Industries where our C26000 Cartridge Brass 70/30 are used
Sunflex Metal Industries is a prominent supplier & exporter of C26000 Cartridge Brass 70/30 which is widely used in the following industries & applications:
C26000 Cartridge Brass 70/30 are mainly used in Ammunition Casings, Electrical Components, Decorative Hardware, Heat Exchanger Tubes, Fasteners and Fittings, Automotive Radiators, etc.
Prominent Countries Where We Export C26000 Cartridge Brass 70/30
Exporting C26000 Cartridge Brass 70/30 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