BRASS & COPPER
Brass
We are pleased to inform you that we manufacturer close tolerance Brass Strips, Coil/Foils 63/37, 65/35, 70/30 Alloy. The above alloys can be supplied in 4 to 366 mm width in Soft, Half Hard, Full Hard and Spring Hard.
Our Strips are precision rolled on imported Sendzimir Mill to a close tolerance. We offer a Gauge tolerance of ±0.01 mm for thick material (0.30 – 0.60) ±0.005 mm for thin strips (less than 0.30 mm).
Our Strips are especially suited manufacture of small precision components requiring bending, drawing and punching operations.
Using Devimetal quality Brass Strip, Coil/Foils is economical in terms of material saving, fewer rejections as well as longer life of dies and punches all due to a very precise gauge control.
Applications: Used in Automobiles Radiators, Bulb and Lamp Caps, Imitation Jewelry, Eyelets, Thimbles, Clocks, Pens and Various sheet metal pressed components.
Ordering: Please mention the Alloy Grade, Temper, Thickness, Width & Quantity in your enquiries.
|
Brass Strips |
|
| Alloy |
Regular -
Brass 63/37, 70/30
On Request - Brass 60/40, 64/36, 65/35, 85/15, 90/10 |
| Width |
4 mm
to 375 mm
|
| Thickness |
2.00 mm to 0.025 mm
|
| Temper |
Vicker 60 to 200 HV |
|
Brass
Temper |
|
Soft
|
QH |
HH
Low |
HH
High |
EH
Low |
EH
High |
FH |
|
Hardness
(HV) |
(Low) (High) |
60-70 -- |
70-75 75-85 |
110-135 |
130-150 |
140-160 |
155-185 |
180-210
|
Tolerances:
|
Thickness |
Width |
||||
|
|
1.2
– 0.6 mm |
0.6
– 0.10 mm |
0.10-0.04
mm |
Nominal
|
Maximum
|
|
Tolerance |
±0.02
mm |
±0.01
mm |
±0.005
mm |
±0.10
mm |
±0.15
mm |
Coil
Wt - Max 1.5 Kg / MM Width
Finish -
Mill, Brushed, Polished
|
ALLOY |
70 / 30 |
63/37 |
||
Commercial Name |
Cartridge Brass |
Yellow Brass |
||
|
Chemical Properties (%) |
|
|
||
|
Copper |
68.5 – 71.5 |
61.5 – 64.5 |
||
|
Zinc |
Remainder |
Remainder |
||
|
Lead |
0.05 (Max) |
0.05 (Max) |
||
|
Iron |
0.05 (Max) |
0.05 (Max) |
||
|
|
||||
|
PROPERTIES |
SOFT |
HARD |
SOFT |
HARD |
|
Tensile (TSI) |
20 |
35 |
22 |
38 |
|
Strength |
|
|
|
|
|
Proof (TSI) |
6 |
30 |
7 |
31 |
|
Strength |
|
|
|
|
|
Elongation % |
50 |
10 |
50 |
7 |
|
Hardness (VPN) |
60 |
170 |
65 |
180 |
|
|
||||
|
Tensile (KG – MM2) |
33 – 60 |
34 – 63 |
||
|
Tensile (PSI) |
44000 – 99000 |
46000 – 91000 |
||
|
Density |
8.55 |
8.45 |
||
|
|
||||
|
Indian Standard |
IS – 3168/IS-410 of 1967 |
IS-3168/IS – 410 of 1967 |
||
|
British Standard |
BS–2870– CZ106/BS-267-CZ-106 |
BS-2870-CZ108/BS-265-CZ-108 |
||
|
ASTM |
B-36-260 |
B-36/272/B-134 |
||
Copper
|
Copper Strips |
|
| Alloy | ETP & Tin Bearing |
| Width | 5 mm to 360 mm |
| Thickness | 0.03mm to 2mm ± 0.1mm |
| Temper | Soft, QH, HH & EH & SH |