| Steel Grating Standard | Steel Material Standard | Hot galvanizing Standard |
| China: YB/T4001.1-2007 | China: GB700-2006 | China: GB/T13912-2002 |
| U.S.A: ANSI/NAAMM | U.S.A: ASTM(A36) | U.S.A: ASTM(A123) |
| U.K: BS4592 | U.K: BS4360(43A) | U.K: BS729 |
| Australia: AS1657 | Australia: AS3679 | Australia: AS1650 |
1. Bearing bar pitches may be 12.5 to 15, 20, 30,32.5,34.3, 40,60mm,of which 30mm & 40mm are recommended.
2. Cross bar pitches may be 38,50,60, to 100mm, of which 50mm & 100mm are recommended.
3. Sign of the shape of bearing bars. F - Plain style (may be omitted in the symbol of steel grating); S - Serrated style; I – I-shape style
4. Sign of surface treatment. G - Hot galvanizing (may be omitted in the symbol of steel grating); P - Painted; U – untreated
Plain: One of the most widely used grating, available for flooring, sidewalk, dranage pit cover, stair tread, etc.
Serrated: Better non-skid property & safety comparing to plain grating.
I-shape: Lighter, more economical and practical comparing to plain grating.