Valve Materials

Material selection drives pressure-temperature capability and corrosion resistance. Use this hub to navigate cast vs forged, exotic alloys, and project documentation.

Cast Steel Valves

WCB, WC6, WC9 API 600

Forged Steel Valves

API 602 Class 800+

NAB Seawater Valves

ASTM B148 C95800

254 SMO Valves

UNS S31254 super austenitic

Cast vs Forged Guide

When to specify each

WCB Specifications

ASTM A216 WCB

Valve Materials FAQ

Common procurement questions

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