hat
17-4 Nerjaveèi asye (630) se yon presipsyon chromium-kwit nan fouye materyèl asye pur itilize pou aplikasyon pou ki mande segondè fòs ak yon nivo modere nan rezistans korozyon. Segondè fòs se konsève a apeprè 600 degre Fahrenheit (316 degre Sèlsiyis).
eng
17-4 stainless steel( 630 ) is a chromium-copper precipitation hardening stainless steel material used for applications requiring high strength and a moderate level of corrosion resistance. High strength is maintained to approximately 600 degrees Fahrenheit (316 degrees Celsius).