ate requirements of Clause 1201 of these Specifications.
Materials for Aluminum Railing
a. Cast aluminium railing posts shall conform to the requirements of AASHTO M193M and ASTM B108, alloy S7A T4 (A444 T4).
b. Aluminium alloy extruded rail shall conform to the requirements of ASTM B221 alloy, 6061-T6 or 6351-T5 with a minimum yield strength of 2466 kg/cm2 , a minimum tensile strength of 2677 kg/cm2 and as elongation of 10% in 50 mm.
c. Stainless steel hardware for aluminium railings shall be