Steel wire for mechanical springs Part-1 cold drawn unalloyed steel wire - IS 4454 (Part -1)
ISI / BIS Certification for Steel wire for mechanical springs Part-1 cold drawn unalloyed steel wire has been included in the mandatory ISI Certification Scheme under IS standard - IS 4454 (Part 1). This product cannot be imported or sold in Indian consumer market without ISI Mark imprinted. ISI / BIS Certification for Steel wire for mechanical springs Part-1 cold drawn unalloyed steel wire is available from us.