321/321H

(UNS S32100/S32109)

AVAILABILITY:

Seamless Pipe: 1/2”-12” sch10s | sch40s | sch80s | ASTM / ASME A/SA-312
Butt-Weld Fittings: 1/2”-8” sch10s | sch40s | sch80s | ASTM / ASME A/SA-403
Flanges: 1/2”-12” | 150# | 300# | 600# | 900# | 1500# | ASTM / ASME A/SA-182
Pressure Fittings: 1/4”-4” 3000# | 6000# | ASTM / ASME A/SA-182

DESCRIPTION:

321/321H is a titanium bearing steel not sensitive to intergranular corrosion after heating within the range of carbide precipitation. This stainless steel grade is often used in refineries as well as high temperature chemical processing, heat exchanger tubes and high temperature steam service.

CHEMICAL COMPOSITION, %