REFLECTIVE SIGNS:
GENERAL : ATE MANUFACTURE REFLECTIVE SIGNS IN ACCORDANCE WITH SPCIFICATION OF TRAFFIC ENGINEERING
DEPARTMENT OF MINATRY OF COMMUNICATION IN THE KINGDOM OF SAUDI ARABIA AND APPOOROVED INTERNATIONAL
STANDERS.
STANDARD SIGNS :
A- SIGN PANEL ALUMINUM SHEET 3 MM THICKNESS . ALUMINUM SHEET ALLOY 6061-T6 CONFORMING TO ASTM
B209-89 TENSILE STRENGTH 42KSI/YIELD STRENGTH 35KSI. CHEMIACL COMPOSITION % . SILICON 0.40-0.8;
IRON 0.70; COPPER 0.15 – 0.40 , MAGNESIUM 0.80-1.2 ; CHROMIUM 0.04-0.34, ZINC 0.25; TITANIUM 0.15
OTHER ELEMENTS 0.05; TOTAL 0.015 AND THE REMAINDER IS ALUMINUM
B- BIND FASTENER CHANNEL : – EXTRUDED ALUMINUM ALLOY 6063-T6 CONFORMING TO ASTM B221 TENSILE
STRENGTH 30-KSI, YIELD STRENGTH 25 KSI.
CHERMICAL COMPOSITION % :
SILICON 0.20 – 0.60; IRON 0.35 COPPER 0.10 MANGANESE O. 45 – 0.90 CHROMIUM O.10. ZINC 0.10,
TITANIUM O . 10 , OTHER ELEMENT EACH 0.10. TOTAL 0.15 AND THE REMAINDER IS ALUMINUM