GratingStandard

Material Standard

HDGStandard

China

YB/T4001-2007

GB704-88

GB/T13912-92

U.S.A

ANSI/NAAMM

ASTM (A36)

ASTM (A123)

British

BS4592-1995

BS4360 (43A)

BS729

Australia

AS1657-1992

AS3679

AS1650

C

Reference

C-30

C-40

C-60

C: comprising a top clip with double saddle and a M10(or M8) hexagon-headed bolt which can be welded to the support member

Clamp center spacing

35

45

65

Screw length

70

70

70