Copper Square Bar Supplier in Singapore
C1100 ETP Copper Square Bar, available from ready stock and cut to your required length.

Overview
Seng Huat Metalplex supplies C1100 ETP Copper square bar from ready stock in Singapore. With a minimum Copper content of 99.94%, C1100 offers high electrical conductivity and excellent machinability, commonly used for precision-machined electrical components requiring flat, parallel faces.
Bars can be cut in-house to your required length. Send us your required size, length and quantity for pricing and availability.
Grades & Specifications
| Specification |
|---|
| JIS H3140 C1100 |
| Composition | |
|---|---|
| Cu | 99.94% min |
| Properties | |
|---|---|
| Melting point | 1083°C |
| Coefficient of thermal expansion | 17.6°C × 10− |
| Electrical conductivity | 98–101% IACS |
| Tensile strength | 250–310 MPa |
| Hardness | 80–110 HV |
Why Buy Copper Square Bar from Seng Huat Metalplex
- Ready stock, no long lead times
- In-house cutting to your required size
- Quotes returned within one business day
- Delivery across Singapore
- A trusted company in Singapore’s metal trade
- Singapore’s Metal Stockist
Industries we serve
Our metal is used by demanding industries across Singapore and the region, where getting the grade right and delivering on time matters most.
Frequently Asked Questions
What grade of Copper square bar do you supply?
We stock JIS H3140 C1100 ETP Copper square bar, with a minimum 99.94% Copper content.
What is Copper square bar used for?
Commonly used for precision-machined electrical components requiring flat, parallel faces.


