Hot Dip Galvanized Outdoor Steel Ladder

mobile/wechat/whatsapp 008615122904795 dora.ren at jwgrating dot cn
1. galvanized metal steps
we manufacture different styles of stair ladders that used in family,industry and construction.
Material: mill steel black and hot dip galvanizing and stainless grating
usage: ladder, flooring walkway, platform ,steel structures, stair tread, well cover, trench cover, sump cover,compound gratings, storage shelves,fences and handrail so on for construction project, oil project, seaport, power plant, water plant, defense project, chemical factory and so on.
2stair tread types: galvanized metal steps
1)there are four kinds of stair treads t1,t2,t3,t4.
t1 welded fixing and without nosing
t2 bolted fixing and without nosing,easy to installation and teardown.
t3 welded fixing and with checkered plate nosing, can be skid.
t4 bolted fxing and with checkered plate nosing, easy be installation,
teardown and can be skid.
2) material: mild steel (low carbon steel) or stainless steel
4) steel grating standards:
a) china: ybt4001-1998
b) usa: ansinaamm (mbg531-88)
c) uk: bs4592-1987
d) australia: as1657-1988
e) japan: jjs
3. Galvanized metal steps specification
pitch of bearing bar
cross-bar pitch
specification of bearing bar load(width×thickness)
32×5
40×5
45×5
50×5
55×5
60×5
30
100
g32530100
g40530100
g45530100
g50530100
g55530100
g60530100
50
g3253050
g4053050
g4553050
g5053050
4. .our company review
hebei jiuwang metal wire mesh co.,ltd.(original anping county jintai metal mesh co.,ltd.).established in 1992,our company is a manufacturer