ASTM A105 4 150# BLRF 1.4565 X2CrNiMnMoN25-18-6-5 EN 10088 – 2 : 2005
a105 lap joint flange slide directly over the pipe and are most commonly used with stub end fittings.
ASTM A105 Pipe Flanges are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of ASTM A105 Carbon Steel Flanges through a worldwide network of stock-keeping branches. Heat treatment is not required except for flanges above Class 300, flanges of special design where the design pressure or design temperature are not known and for items over 4″ NPS and above Class 300. When heat treatment is required, annealing, normalizing, Normalize and temper, normalize and quench and tempering shall be the applied methods.