90.93 Standard confirmed Mar 6, 2024
ISO
ISO/TC 17/SC 4 Heat treatable and alloy steels
International Standard
27.020 Internal combustion engines | 77.140.10 Heat-treatable steels | 77.140.20 Stainless steels
Gives the requirements of delivery for certain grades of wrought high-alloy materials used for intake and exhaust valves in reciprocating internal combustion engines. Is applicable to bars, wire, wire rod and forgings. In addition, the general technical delivery requirements of ISO 404 are applicable. Annex A "Technical Supplement" gives requirements for property values as the result of processing after delivery.
WITHDRAWN
ISO 683-15:1976
PUBLISHED
ISO 683-15:1992
90.93
Standard confirmed
Mar 6, 2024
ABANDON
ISO/WD 683-15