GNEE can provide the form
Customer Visit & Project Reference – India
We successfully supplied ASTM B111 C68700 aluminum brass tubes to a customer in India for shell & tube condenser applications. During the project, the customer visited our facility for production inspection and quality verification. All tubes were manufactured in accordance with ASTM B111 requirements and delivered with complete Material Test Certificates (MTC), ensuring full heat number traceability and verified chemical and mechanical properties.
Download ASTM B111 C68700 MTC (PDF)
Aluminum Brass Tubes C68700 Useful information
We carry a wide range of brasses including Red Brass, Yellow Brass, Leaded Brass, Naval Brass & Free Machining Brass.
Chemical Composition
(%max., unless shown as range or min.)
|
Cu |
Fe |
Pb |
Zn |
|
|---|---|---|---|---|
|
Min./Max. |
62.0-65.0 |
.07 |
.07 |
Rem. |
|
Nominal |
63.5 |
- |
- |
36.5 |
Admiralty Brass Technical Specifications
|
Chemical Composition of Admiralty Brass |
|||||
|---|---|---|---|---|---|
| Cu | 70.0-73.0 | ||||
| Zn | rem. | ||||
| Pb | 0.07 max | ||||
| Fe | 0.06 max | ||||
| Sn | 0.9-1.2 | ||||
| As | 0.02-0.08 | ||||
Related Standards
| ISS | Cuzn28Sn | ||||
|---|---|---|---|---|---|
| KS | D5301 C4430 |
||||
| JIS | H3300 C4430 |
||||
| ASTM | B111 C44300 |
||||
| BS | 2871 CZ111 |
||||
| DIN | 1785 CuZn28Sn |
||||
Admiralty Brass Mechanical Properties
| Classification | Temper | Designation | Outside diameter (mm) | Thickness (mm) | Tensile Strength Kgf/mm2 | Elongation (%) | Yield Strength (kg/mm2) | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| ASTM JIS Admiralty Brass Aluminum Brass |
061 061 |
C4430T-O C4431TS-O |
5mm and over upto and incl 250mm | 0.8mm and over upto and incl 10mm | 32 min | 30min | 11min | ||||
| C6870T-O C6870TS-O |
5mm and over upto and incl 50mm | 0.8mm and over upto and incl 10mm | 36min | 40min | 13min | ||||||
| C6871T-O C6871TS-O C6872T-O |
Over 50mm upto and incl 250mm | 0.8mm and over upto and incl 10mm | 36min | 40min | 13min | ||||||
| C6872TS-O | |||||||||||
Why choose GNEE for C68700 aluminum brass tubing, copper, and brass products?
We are ISO 9001:2008 certified.
We offer a wide selection of C68700 aluminum brass tubing.
We offer a wide product range with custom capabilities.
We are a leader in copper, brass, and copper-nickel.
We have a long history of providing tubing/pipe, straight tubing, lightweight coated tubing, coils, fittings, rods, strip, and flat stock.
We offer custom tubing, pipe, fittings, and more.
We have modern, state-of-the-art facilities and equipment.
We offer wholesale prices for C68700 aluminum brass tubing.
Grades: T1, T2, T3, TP2, Tu1, TU2, TU3, H59, H62, H63, H65.
We ship C68700 aluminum brass tubing worldwide with fast delivery.
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) |
