Type Plain / Smooth, Serrated /teeth, I bar, serrated-I bar
Steel flat size 20X3,25X3,25X5,30X3,30X4,30X5,32X3,32X5�?�120X10mm,.etc.
Bearing bar pitch 12.5,15,20,25,30,35,40,50;120mm
Cross bar pitch 38,50,80,100mm
material aluminum alloy
Surface treatment Untreated, oxidation
Grating Standard China: YB/T 4001.1-2007
USA: ANSI/NAAMM(MBG531-88)
UK: BS 4592-1987
Australia: AS 1657-1985
Material standard China: GB 700-88
UK: BS 4360:1990
USA: ASTM A36/A36M-96
AUSTRALIA: AS 3679
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