ISPL - Indian stranded plates
Thickness - 5 mm to 80 mm
Size - 900 X 2200 X 63 mm to 2500 X 13,500 X 25 mm (W * L * T)
ISSH - Indian stranded sheets
Thickness - 0.40 mm to 4.65 mm
Size - 1800 X 600 X 0.40 mm to 4000 X 1500 X 4.65 mm (W * L * T)
ISST - Indian stranded strips
Thickness - 1.6 mm to 10 mm
Size - 100 X 1.6 mm to 1550 X 10 mm
ISF - Indian stranded flats
Thickness - 3 mm to 50 mm
Size - 10 mm to 400 mm
For more details : https://law.resource.org/pub/in/bis/S03/is.1730.1989.pdf
Thank you..
The grace of the Lord Jesus be with God's people.