Chemical Composition ( ASTM A564 Type 630 / 1.4542 / …
ASTM A564 is a standard material specification for hot-rolled and cold-finished age-hardening stainless steel bars, including type 630 / UNS S17400 / 17-4 PH used for parts requiring corrosion resistance and high strength at room temperature, or at temperatures up to 600°F [315°C]. Boltport uses S17400 round bars to ASTM this specification to ...