
CZ121 Brass Hexagonal & Flat Bars
IS 319 Type I · BS CZ121 · UNS C38500 (approx.) · EN CuZn39Pb3 (CW614N)
Brass Hexagonal & Flat Bars in ready stock at our Madurai godowns, extruded / drawn, Hex 6–60 A/F · flats to 100×25. Band-saw cut to your sizes with mill test certificates on request.
I. Sizes & weights
Nominal weights at 8.5 g/cm³ · Hex 6–60 A/F · flats to 100×25| A/F mm | kg / metre | kg / 6 m bar | |
|---|---|---|---|
| 8 | 0.47 | 2.83 | |
| 10 | 0.74 | 4.42 | |
| 13 | 1.24 | 7.46 | |
| 17 | 2.13 | 12.8 | |
| 19 | 2.66 | 15.9 | |
| 22 | 3.56 | 21.4 | |
| 24 | 4.24 | 25.4 | |
| 27 | 5.37 | 32.2 | |
| 32 | 7.54 | 45.2 | |
| 36 | 9.54 | 57.2 | |
| 41 | 12.4 | 74.2 | |
| 46 | 15.6 | 93.5 | |
| 50 | 18.4 | 110.4 | |
| 55 | 22.3 | 133.6 | |
| 60 | 26.5 | 159.0 |
II. Chemical composition (% by weight)
| Element | Cu | Pb | Fe | Sn | Zn |
|---|---|---|---|---|---|
| Min | 56.0 | 2.0 | – | – | rem. |
| Max | 59.0 | 3.5 | 0.30 | 0.40 | – |
Typical standard ranges. Every mill lot ships with its own test certificate on request.
III. Mechanical properties
- Tensile
- 400–500 MPa
- Hardness
- 100–160 HV
- Elongation
- 10–20%
- Machinability
- 100% (benchmark)
IV. Supply condition
- Condition
- Extruded / drawn
- Machinability
- Excellent
- Forms
- hex, flat
- Cutting
- Band saw ±1 mm
- SKU
- SST-NFM-03
V. Weigh it, then request it.
Locked to CZ121CZ121 · 8.5 g/cm³
W = 0.866025 × A/F² × L × ρ ÷ 1,000,000 · ρ = 8.5 g/cm³ · rounded to 0.1 kg. Theoretical weight; actual mill weight can vary by ±2–3%.
Nuts, unions, terminals
About CZ121
Can you cut CZ121 to my sizes?
Yes. CZ121 is band-saw cut to ±1 mm. Send piece sizes and quantities with your request; cutting is quoted with the material.
Is a mill test certificate provided with CZ121?
An MTC is supplied with mill material on request, traceable to the heat number.
What sizes are in stock?
Hex 6–60 A/F · flats to 100×25. For large tonnage, message us to reserve material.
What are the equivalents of CZ121?
IS 319 Type I, BS CZ121, UNS C38500 (approx.), EN CuZn39Pb3 (CW614N). Equivalents are close matches; confirm against your drawing's specification.

