모델 번호
steel grating stairs
층계 물자
stainless steel, low carbon steel, aluminum alloy
certificate:
ISO 9001-2008
mesh size:
19-w-4,15-w-2,30/50,30/100,40/50,40/100,60/50 and all
surface:
hot dip galvanized, untreated, painting, spray coating.
welding way:
electrical forged welding, hand welding
Grating Standard:
BS 4592-1987, AS 1657-1985, YB/T 4001.1-2007
Material standard:
BS 4360:1990, ASTM A36/A36M-96, AS 3679
HDG standard:
BS729, ASTM A123/A123M-97a, ASTM A36/A36M-96