Steelwork Compliance Australia (SCA) is the independent auditing and certification authority for structural steelwork. Its primary objective is to provide quality compliance certification for the supply, fabrication, and erection of structural steelwork to AS/NZS 5131, in line with the requirements of the National Structural Steelwork Compliance Scheme (NSSCS) developed by the Australian Steel Institute (ASI). SCA operates in accordance with ISO 17065 as a certification body for compliance capability to the Australian/New Zealand Standard AS/NZS 5131 for fabrication and erection of structural steelwork. The organization offers its services to both Australian and overseas fabricato