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light duty steel grating Specifications | |||
Item | Description | ||
Materials | Q235 / Stainless Steel / Aluminium | ||
Material standard | Low carbon steel (ASTM A36, A1011, A569, S275JR, SS304, SS400,UK: 43A) | ||
Type | Welded steel grating, pressure-locked, socket-welding | ||
Bearing bar | 20x5, 25x3, 25x4, 25x5, 30x3, 30x4, 30x5, 32x3, 32x5, 40x5, 50...75x8mm, etc. | ||
Bearing Bar's Type | F- Plain style | ||
S-Serrated style (tooth-like) | |||
I- I-section style | |||
Beraing Bar Pitch | 25, 30, 30.16, 32.5, 34.3, 40, 50, 60, 62, 65mm, etc. | ||
Cross Bar | 5x5, 6x6, 8x8mm (twisted bar or round bar) | ||
Cross bar pitch | 40, 50, 60, 65, 76, 100, 101.6, 120, 130mm or as customers' requirement. | ||
Surface Treatment | Black, Hot dip galvanized, Cold dip galvanized, Painted, Powder coated, or as customers' requirement. | ||
Galvanizing standard | CN: GB/T13912 | ||
US: ASTM (A123) | |||
UK: BS729 | |||
Standards | China: YB/T 4001.1-2007 | ||
USA: ANSI/NAAMM(MBG531-88) | |||
UK: BS4592-1987 | |||
Australia: AS 1657-1988 | |||
Japan: JJS |
Series No. | Verticle Bar Spacing | Horizontal Bar Spacing | Specification of Supporting Flat Steel (Width X Thickness) | ||||||
| | | 20¡Á3 | 25¡Á3 | 32¡Á3 | 40¡Á3 | 20¡Á5 | 25¡Á5 | |
1 | 30 | 100 | G203/30/100 | G253/30/100 | G323/30/100 | G403/30/100 | G205/30/100 | G255/30/100 | |
| | 50 | G203/30/50 | G253/30/50 | G323/30/50 | G403/30/50 | G205/30/50 | G255/30/50 | |
2 | 40 | 100 | G203/40/100 | G253/40/100 | G323/40/100 | G403/40/100 | G205/40/100 | G255/40/100 | |
| | 50 | G203/40/50 | G253/40/50 | G323/40/50 | G403/40/50 | G205/40/50 | G255/40/50 | |
3 | 60 | 50 | - | G253/60/50 | G253/60/50 | G403/60/50 | G205/60/50 | G255/60/50 | |
Series No. | Verticle Bar Spacing | Horizontal Bar Spacing | Specification of Supporting Flat Steel (Width X Thickness) | ||||||
| | | 32¡Á5 | 40¡Á5 | 45¡Á5 | 50¡Á5 | 55¡Á5 | 60¡Á5 | |
1 | 30 | 100 | G325/30/100 | G405/30/100 | G455/30/100 | G505/30/100 | G555/30/100 | G605/30/100 | |
| | 50 | G325/30/50 | G405/30/50 | G455/30/50 | G505/30/50 | G555/30/50 | G605/30/50 | |
2 | 40 | 100 | G325/40/100 | G405/40/100 | G455/40/100 | G505/40/100 | G555/40/100 | G605/40/100 | |
| | 50 | G325/40/50 | G405/40/50 | G455/40/50 | G505/40/50 | G555/40/50 | G605/40/50 | |
3 | 60 | 50 | G325/60/50 | G405/60/50 | G455/60/50 | G505/60/50 | G555/60/50 | G605/60/50 |