Products we Trade in

Lamp Cap Stock

Manufactured at modern and well-equipped mills, the lamp cap stock can be rolled to very fine tolerances,

Specification
Lamp Cap Stock

Manufactured at modern and well-equipped mills, the lamp cap stock can be rolled to very fine tolerances, allowing more caps per tonne of coil and enabling uninterrupted operations of high-speed forming presses.

Hindalco's lamp cap stock combines strength and high formability with high resistance to softening in vitriting. Manufactured at modern and well-equipped mills, it can be rolled to very fine tolerances, allowing more caps per tonne of coil and enabling uninterrupted operations of high-speed forming presses.

Dimensions
Parameter Stock for bulb caps Stock for Tube caps
Range Tolerance Range Tolerance
Thickness (mm)  0.25 — 0.40   +/-0.02   0.30 — 0.40   +/-0.02
Width (mm)   50 — 500   +/-0.30   50 — 500   +/-0.30
Coil I.D (mm)   without core 203 -   without core 203  -
Coil density (kg/mm)   1.80 max -   1.8 max -

 

Mechanical properties
Type Alloy (AA) Temper UTS (mpa) %E (min)
(50 mm gauge length)
Min Max
Stock for
bulb caps
L8S* O 170 205 13
3004 O 150 200 13
5251 O 165 210 13
Stock for
tube caps
8011 H14 125 160 1
H16 150 180 1
*L8S is a Hindalco innovation

 

 

Chemical composition
Alloy (%) Stock for bulb caps Stock for tube caps
L8S AA 3004 AA 5251 AA 8011
Fe 0.70 0.70 0.50 0.60 — 1.00
Si 0.30 0.30 0.40 0.50 — 0.90
Mg 1.20 — 1.60 0.80 — 1.30 1.80 — 2.40 0.05
Mn 0.80 — 1.30 1.00 — 1.50 0.10 — 0.50 0.20
Cu 0.10 0.25 0.15 0.10
Zn 0.25 0.25 0.15 0.10
Ti - - 0.15 0.08
Cr 0.25 - 0.15 0.05
Each (Others) 0.05 0.05 0.05 0.05
Total (Others) - 0.15 0.15 0.15
Al Remainder Remainder Remainder Remainder

 

Surface quality

Surface has a corrosion resistant oil coating.

Applicable standards

ASTM - B - 209M, Aluminium association — aluminium standards and data, Hindalco manufacturing limits (as applicable).

L8S is a Hindalco innovation.

Packing

Lamp cap stock is placed on wooden skids in an eye-to-wall position. It is wrapped in HDPE fabric and hardboard and strapped with hoop iron. Moisture protection is ensured with silica gel packets and the entire packed product is placed in a wooden box.

Applications :
  • GLS lamps and tube lights
Copyright © 2016 Angel's Aluminium Corporation | Legal disclaimer | Sitemap