Specifications

1 hot dipped galvanized steel bar grating
2.Material: ASTM A36 A1011 A569 Q235
3.Bearing bar pitch: 30, 40, 60mm etc.

hot dipped galvanized steel bar grating

Specifications of steel gratings
No	Item	Description
1	Bearing bar	20x5, 25x3, 25x4, 25x5, 30x3, 30x4, 30x5, 32x3, 32x5, 40x5, 50…75x8mm, etc.
2	Bearing bar pitch	25, 30, 30.16, 32.5, 34.3, 40, 50, 60, 62, 65mm, etc.
3	Cross bar	5x5, 6x6, 8x8mm (twisted bar or round bar)
4	Cross bar pitch	40, 50, 60, 65, 76, 100, 101.6, 120, 130mm or as customers’ requirement.
5	Surface treatment	Black, Hot dip galvanized, Cold dip galvanized, Painted, Powder coated,  or as customers’ requirement.
6	Flat bar type	Plain, Serrated (tooth-like), I bar (I section)
7	Material standard	Low carbon steel (ASTM A36, A1011, A569, S275JR, SS304, SS400,UK: 43A)
8	Galvanizing standard	CN: GB/T13912, US: ASTM (A123), UK: BS729
9	Steel grating standards	A. China: YB/T4001-1998
		B. USA: ANSI/NAAMM (MBG 531-88)
		C. UK: BS4592-1987
		D. Australia: AS1657-1988
		E: Japan: JJS

The size mainly according to the customer, Everything for the customer convenience.

usage

Widely used in electricity, petrochemical, chemical industry, metallurgy, machines, modeling, port, marine engineering, construction, papermaking, medicine, textile, well cover, suspended ceiling, ventilation and penetration of light, etc.

 

feature

 

1.Aesthetic outlook: Simple lines and silver appearance meeting the modern trend.

2.The best drainage: Leakage area of 83.3 percent, more than twice of cast iron products. Hot-dip galvanized treatment .Good rust-proof property, maintenance-free replacement.

3.Anti-theft design: The cover and the frame is joint with hinge safety and convenience

4.High strength: The strength and the toughness are much higher than cast iron. Can be used for terminals, airport and other large-span and heavy loading condition.