GNEE can provide the form
C68700 Aluminum Brass Tubes Specification
| UNS No. | C68700 – BSI No. CZ110 – ISO Name CuZn22AI2 |
|---|---|
| Chemical Comp. (%) | Cu 76 ~ 79 / Al 1.8 ~ 2.5 / Pb 0.07 / Fe 0.06 max / Zn rem / As 0.02 ~ 0.06 |
| ASTM Spec. | B 111, B 395 |
| ASME Spec. | SB 111, SB 395 |
| Applications | Condenser, Evaporator and Heat Exchanger tubes; Distiller tubing. |
| Temper | O61 Annealed |
| Pipe / Tube Type | Nominal Pipe Size |
Schedule | |
|---|---|---|---|
| Aluminum Brass Tubes C68700 | 1/8" | sch 40 & others | Seamless / Welded |
| Aluminum Brass Tubes C68700 | 1/4" | ||
| Aluminum Brass Tubes C68700 | 3/8" | ||
| Aluminum Brass Tubes C68700 | 1/2" | ||
| Aluminum Brass Tubes C68700 | 3/4" | ||
| Aluminum Brass Tubes C68700 | 1" | ||
| Aluminum Brass Tubes C68700 | 1 1/4" | ||
| Aluminum Brass Tubes C68700 | 1 1/2" | ||
| Aluminum Brass Tubes C68700 | 2" | ||
| Aluminum Brass Tubes C68700 | 2 1/2" | ||
| Aluminum Brass Tubes C68700 | 3" | ||
| Aluminum Brass Tubes C68700 | 4" |


ASTM Standard Designation for Aluminum Brass Tubes C68700
Aluminum Brass Tubes C68700 related available grades
Brass: C21000, C22000, C22600, C23000, C24000, C26000, C26130, C26800, C27000, C27200, C27400, C2800, etc
Leaded brass: C31400, C31600, C32000, C33000, C33200, C33500, C34000, C34200, C34500, C35000, C35300, C35600, C36000, C36500, C37000, C37700, C38000, C38500, etc
Tin brass: C40500, C40800, C41100, C42200, C44400, C48200, C46400, C46200, etc
Aluminium bronze: C60600, C62300, C62400, C63000, C63200, C64200, etc
Nickel copper: C71000, C71500, C70400, C70600, C70250, C70260, C71520, C72200, C74500, C75200, C77400, etc
Phosphor bronze: C50500, C51100, C52100, C51980, etc
Grade Of Brass Tubes:
| Grade | USA | U.K | Germany | Japan | ||
|---|---|---|---|---|---|---|
| China BG | ASTM | CDA | BS | DIN | No. | JIS H |
| H85 | C23000 | 230 | CZ102 | CuZn15 | 2.0240 | C2300 |
| H80 | C24000 | 240 | CZ103 | CuZn20 | 2.0250 | C2400 |
| H70 | C26000 | 260 | CZ106 | CuZn30 | 2.0265 | C2600 |
| H68 | C26200 | / | / | CuZn33 | 2.0280 | C2680 |
| H65 | C26800 | 268 | CZ107 | CuZn36 | 2.0335 | C2680 |
| H63 | C27400 | 272 | CZ108 | CuZn37 | 2.0321 | C2720 |
Products provided by GNEE
| Product Category | Standard & Material | Available Forms | Thickness / Diameter Range | Width / OD Range | Length / Form | Temper / State | Surface Finish |
|---|---|---|---|---|---|---|---|
| Copper Sheet & Plate | ASTM B152, B187 Pure Copper (C11000) Phosphor Bronze, Brass |
• Coil • Sheet • Plate |
Sheet: 0.3 mm - 10.0 mm Plate: 10.0 mm - 100 mm |
100 mm - 2500 mm | Coil: Custom Sheet/Plate: 1000mm - 6000mm or Custom |
• O (Soft Annealed) • H02 (Half-Hard) • H04 (Hard) • H08 (Full-Hard) |
• Mill (Bare) • Clad • Brushed • Coated |
| Copper Rod & Bar | ASTM B133, B187 Pure Copper, Tellurium Copper Brass, Bronze |
• Round Rod • Square Bar • Hexagonal Bar • Flat Bar |
Rod Dia.: 2.0 mm - 300 mm Flat Bar Thk.: 3 mm - 50 mm |
Flat Bar Width: 10 mm - 400 mm | Straight: 1000mm - 6000mm Coil (for small dia.) |
• Annealed (Soft) • Half-Hard • Hard • As Drawn |
• Drawn (Smooth) • Turned (Peeled) • Ground (Polished) |
| Copper Wire | ASTM B1, B3 Bare Copper, Tinned Copper |
• Bare Wire • Tinned Wire • Stranded Wire • Braided Wire |
Solid Wire: 0.05 mm - 10.0 mm Stranded: Custom (e.g., 7/0.2mm) |
- | Coil, Spool, Reel Weight: Custom (e.g., 5kg, 25kg) |
• Soft (Annealed) • Hard Drawn • Medium-Hard |
• Bright Bare • Electrotinned • Oxidized-Resistant |
| Copper Tube & Pipe | ASTM B75, B88 Seamless, Welded DHP Copper (C12200) |
• Straight Tube • Coiled Tube • Capillary Tube • Square Tube |
OD: 3 mm - 300 mm Wall Thk.: 0.5 mm - 10.0 mm |
- | Straight: 1000mm - 8000mm Coil: Custom Length |
• Annealed (Soft, Bendable) • Hard Drawn (Straight) |
• Bare (Clean) • Polished • Plastic Capped |
| Copper Foil | ASTM B370 Rolled Annealed (RA) Electrodeposited (ED) |
• Roll / Coil • Strip |
Thickness: 0.01 mm - 0.50 mm (10 µm - 500 µm) |
10 mm - 1300 mm | Coil: Custom Length | • As Rolled (Hard) • Annealed (Soft, Ductile) • Laminated |
• Standard (One Side Bright) • Double Side Bright • Treated (for PCB) |




