Here at Hemi Metals, our workshop in Hamilton is where quality meets craftsmanship. We take immense pride in producing and supplying premium Copper Round Bar, sourced directly from our New Zealand base. Known for its distinctive warm hue and exceptional performance, our copper bar is crafted for professionals and creators who demand reliability. We ensure every length meets the high standards our customers trust for their most important projects, making us a go-to supplier for those who value local manufacturing and superior materials.
C10100 copper, the grade we primarily use, is known for its excellent conductivity and purity. This material is not only highly ductile and easy to machine but also offers impressive strength and resistance to corrosion. These properties make it a dependable choice in demanding environments. Its natural antimicrobial qualities are an added benefit, ensuring hygiene and longevity in sensitive applications. Essentially, you get a material that is both versatile and incredibly durable.
| Grade | Copper – UNS C12200 |
|---|---|
| Specification | ASTM B62 UNS C12200 |
| Standard | ASTM, ASME, API, GB, AISI, DIN, EN, SUS, UNS, ASTM B62 / ASME SB62 |
| Copper Round bar size | Diameter: 3mm~800mm |
| Copper Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Copper Square bar size | 4mm*4mm~100mm*100mm |
| Copper Flat bar size | Thickness: 2mm~100mm |
| Width: 10mm~500mm | |
| Copper Hex Bar size | 2mm~100mm |
| Copper Billet Size | 1/2″ to 495mm Diameter |
| Copper Rectangles Size | 33mm x 30mm to 295mm x 1066mm |
| LENGTHS | 12 RANDOM LENGTHS AND LONG BARS:15 20 RANDOM LENGTHS |
| Finish | Bright, Polish, Bright, Rough Turned, Grinding, Centreless Ground & Black |
| Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Surface | Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Polished, Hairline |
| Condition | Cold Drawnd Pulished Cold Drawn Centreless Ground & Polished, Annealed round bar |
| Technique | Copper Hot Rolled, Cold Rolled, Cold Drawn, Forged Round Bar, Rod |
| Form | Round, Rod, Precision Ground Bar, Square, Round Rod, Hollow, Hex (A/F), Triangle, Rectangle, Threaded, T-Bar, Half Round Bar, Flat Bar, Rings, Blocks, Billet, Ingot, I/H Bar, Angle, Channel Bar, Profiles, Forging Etc. |
| Our Copper round bar conforms to NACE MR0175/ISO 15156 | |
|
Standard |
Copper NO. |
Chemical Composition |
|
|
CU% |
P% |
||
|
ASTM
B280/62 |
C12200 |
>99.9 |
0.015 to 0.040 |
|
Mechanical Properties |
|||
|
Temper |
Tensile strength (Mpa) |
Elongation (%) |
Average Grain Size (mm) |
|
>60 |
>205 |
>40 |
>0.040 |
|
>50 |
>245 |
||
|
BS EN NUMBER |
TITLE |
NEAREST OLD BS EQUIVALENT |
|---|---|---|
|
Unwrought Products |
||
|
1976 |
Cast unwrought copper products |
6017 |
|
1977 |
Copper drawing stock (wire rod) |
6926 |
|
1978 |
Copper cathods |
6017 |
|
1981 |
Master Alloys |
– |
|
1982 |
Ingots and castings |
1400 |
|
Copper Rod / Bar, Wire, Profiles |
||
|
12163 |
Rod for general purposes |
2874 |
|
12164 |
Rod for free machining purposes |
2874 |
|
12165 |
Wrought and unwrought forging stock |
2872 |
|
12167 |
Profiles and rectangular bar for general purposes |
2874 |
|
12168 |
Hollow rod for free machining purposes |
– |
|
13347 |
Rod and wire for welding and braze welding |
1453, 1845, 2901 |
|
Copper Electrical Purposes |
||
|
13601 |
Copper rod, bar and wire general electrical purposes |
1433, 1432, 4109 |
|
13605 |
Copper profiles for electrical purposes |
|
Copper Ann- Round * CG – Centerless Ground | 3/16 CG Copper Bar 1/4 CG Copper Bar 5/16 CG Copper Bar 3/8 CG Copper Bar 1/2 CG Copper Bar 5/8 CG Copper Bar 3/4 CG Copper Bar 13/16 CG Copper Bar 7/8 CG Copper Bar 1 CG Copper Bar 1-1/8 CG Copper Bar 1-1/4 CG Copper Bar 1-3/8 CG Copper Bar 1-1/2 CG Copper Bar 1-3/4 CG Copper Bar | 2 CG Copper Bar 2-1/4 CG Copper Bar 2-1/2 CG Copper Bar 2-3/4 CG Copper Bar 3 CG Copper Bar 3-1/4 CG Copper Bar 3-1/2 CG Copper Bar 4 HR RT Copper Bar 4-1/2 HR RT Copper Bar 5 HR RT Copper Bar 6 HR RT Copper Bar 7 HR RT Copper Bar 8 HR RT Copper Bar 9 HR RT Copper Bar 10 HR RT Copper Bar |
Type | SIZES (mm) | SIZES (Inches) | ISO Tolerance |
|---|---|---|---|
Cold Drawn and Polish | 3.00 – 75.00 | 1/8” – 3.00” | h8-h9-h10-h11, ASTM B62 |
Cold Drawn and Ground | 10.00 – 75.00 | 5/6” – 2.50” | h8-h9-h10-h11 |
Peeled and Polished | 40.00 – 150.00 | 1.50” – 6.00” | h11, ASTMA-484 h11-DIN 1013 |
Peeled and Ground | 20.00 – 50.00 | 3/4″ – 2.00” | h9-h10-h11, ASTM B62 |
|
Round Bar |
||||||||
|---|---|---|---|---|---|---|---|---|
|
Size |
Kgs / Foot |
Kgs / Mtr |
Size |
Kgs / Foot |
Kgs / Mtr |
Size |
Kgs / Foot |
Kgs / Mtr |
|
3mm |
0.017 |
0.055 |
20mm |
0.753 |
2.470 |
3″ |
10.900 |
35.762 |
|
1/8″ |
0.019 |
0.062 |
22mm |
0.908 |
2.979 |
3-1/4″ |
12.800 |
41.996 |
|
5/32″ |
0.029 |
0.095 |
7/8″ |
0.926 |
3.038 |
3-1/2″ |
14.850 |
48.772 |
|
4mm |
0.030 |
0.098 |
24mm |
1.080 |
3.543 |
3-3/4″ |
17.001 |
55.780 |
|
3/16″ |
0.043 |
0.141 |
25mm |
1.180 |
3.871 |
4″ |
19.306 |
63.340 |
|
5mm |
0.047 |
0.154 |
1″ |
1.210 |
3.970 |
4-1/4″ |
21.908 |
72.249 |
|
7/32″ |
0.058 |
0.190 |
26mm |
1.271 |
4.170 |
4-1/2″ |
24.4487 |
80.340 |
|
6mm |
0.068 |
0.223 |
27mm |
1.368 |
4.490 |
4-3/4″ |
27.366 |
90.249 |
|
1/4″ |
0.076 |
0.249 |
1-1/8″ |
1.534 |
5.033 |
5″ |
30.461 |
99.940 |
|
7mm |
0.091 |
0.298 |
30mm |
1.691 |
5.548 |
5-1/2″ |
36.690 |
121.000 |
|
5/16″ |
0.118 |
0.387 |
1-1/4″ |
1.924 |
6.349 |
6″ |
43.860 |
143.900 |
|
8mm |
0.120 |
0.398 |
32mm |
1.894 |
6.314 |
6-1/2″ |
51.093 |
167.630 |
|
9mm |
0.152 |
0.498 |
1-3/8″ |
2.303 |
7.550 |
7″ |
59.432 |
196.000 |
|
3/8″ |
0.170 |
0.557 |
35mm |
2.390 |
7.553 |
7-1/2″ |
68.226 |
225.000 |
|
10mm |
0.189 |
0.620 |
36mm |
2.438 |
7.999 |
8″ |
77.586 |
254.55 |
|
11mm |
0.228 |
0.748 |
38mm |
2.792 |
8.903 |
10″ |
121.048 |
397.140 |
|
7/16″ |
0.232 |
0.761 |
1-1/2″ |
2.715 |
8.951 |
|||
|
12mm |
0.271 |
0.889 |
40mm |
3.009 |
9.872 |
|||
|
1/2″ |
0.303 |
0.994 |
1-5/8″ |
3.200 |
10.449 |
|||
|
13mm |
0.318 |
1.043 |
1-3/4″ |
3.712 |
12.179 |
|||
|
14mm |
0.368 |
1.207 |
45mm |
3.807 |
12.555 |
|||
|
9/16″ |
0.383 |
1.256 |
1-7/8″ |
4.260 |
13.977 |
|||
|
15mm |
0.424 |
1.391 |
48mm |
4.330 |
14.205 |
|||
|
5/8″ |
0.473 |
1.551 |
50mm |
4.698 |
15.414 |
|||
|
16mm |
0.481 |
1.578 |
2″ |
4.848 |
15.906 |
|||
|
17mm |
0.543 |
1.791 |
2-1/8″ |
5.475 |
17.963 |
|||
|
11/16″ |
0.573 |
1.880 |
2-1/4″ |
6.135 |
20.128 |
|||
|
18mm |
0.610 |
2.001 |
60mm |
6.768 |
22.205 |
|||
|
3/4″ |
0.682 |
2.237 |
2-3/8″ |
6.838 |
22.435 |
|||
|
2-1/2″ |
7.576 |
24.856 |
||||||
|
2-5/8″ |
8.354 |
27.409 |
||||||
|
2-3/4″ |
9.169 |
30.083 |
||||||
Copper Round Bars typically do not require corrosion protection coatings due to their inherent corrosion resistance, but coatings may be used in specific environments for added protection.
Yes, Copper Round Bars can be welded using appropriate techniques, such as TIG or MIG welding, with careful control of heat to prevent oxidation.
To choose the right Copper Round Bar, consider factors such as required strength, conductivity, corrosion resistance, and the specific application needs.
The uses for our Copper Round Bar are incredibly diverse, spanning from critical industrial components to beautiful artistic creations. It’s essential for machining custom bushings, bearings, and electrical conductors where efficiency is paramount. Plumbers and HVAC specialists value it for its reliability in plumbing fittings and heat exchanger tubes. Beyond industry, artists and metalworkers transform it into stunning sculptures and architectural details. Its combination of function and beauty makes it a truly versatile material for building, creating, and innovating across countless fields.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Hemi Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hamilton New Zealand
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