SIS SS 21 28 20-1979
Hot finished square structural hollow sections

Standard No.

SIS SS 21 28 20-1979

Release Date

1979

Published By

SE-SIS

Status

Be replaced

Replace By

SIS SS 21 28 20-1988

Latest

SIS SS 21 28 20-1988

SIS SS 21 28 20-1979 history

• 1988 SIS SS 21 28 20-1988 Hot finished square structural hollow sections — VKR
• 1979 SIS SS 21 28 20-1979 Hot finished square structural hollow sections