ASTM A312 TP347 347H Stainless Steel Seamless Pipe for Shell and Tube Heat Exchanger and Heat Exchanger Tubesheet 347 Stainless Steel is a variant of the basic austenitic 18/8 Grade 304 with added Columbium (Niobium). The introduction of Columbium stabilizes the steel and eliminates carbide precipitation which subsequently causes intergranular corrosion. The steel has excellent forming and welding qualities and excellent toughness even at cryogenic temperatures. Alloys 321
Titanium Alloy Seamless Tube B338 GR.2 For Heat Exchanger Application Overview of ASTM B338 Grade 2 Titanium Seamless Tube ASTM B338 refers to a specification by ASTM (formerly known as the American Society for Testing and Materials) for seamless titanium and titanium alloy tubes. Grade 2 is the ...