ASTM A182 F304H Control Valve is forged from an enhanced version of the widely used chromium-nickel austenitic stainless steel alloy, Alloy 304/304H (UNS S30400/S30409). This alloy offers cost-effective corrosion resistance and is versatile for various applications. While similar to 304/304L in corrosion resistance, its higher carbon content makes it prone to carbide precipitation in weld heat-affected zones. It is a control part in the fluid conveying system, and has the functions of diversion, closure, regulation, throttling, prevention of reverse flow, diversion or overflow pressure relief, etc.