Standards 18: Carbon Steel Pipes – Comparing American & European Specifications

Threaded & Socket Welded Fittings – Pressure Classes and Schedules Pressure classes, schedules and weights of pipes for threaded & socket welded fittings Standard (STD), Extra Strong (XS) and Double Extra Strong (XXS) Schedule – Numbers assigned to different wall thicknesses of pipe (i.e. schedule 80) Related reading Standards 27: Flanges – Ratings in Classes…

Carbon Steel Flanges – Pressure and Temperature Ratings Maximum temperature and pressure ratings of flanges conforming dimensions ASME B16.5 Pipe Flanges and Flanged Fittings – and materials specification ASTM A-105 Specification for Carbon Steel Forgings for Piping Applications – temperature in Fahrenheit and pressure in psi. Related reading Standards 27: Flanges – Ratings in Classes…

Comparing API and ASME/ANSI flanges The difference between ASME/ANSI and API flanges is the fabrication material and the higher rated API operating pressure. ASME/ANSI flanges are common in industrial process systems handling water, steam, air and gas. API flanges are manufactured for high strength operating refinery systems with products such as oil and explosive gases….

Carbon and Stainless Steel Flanges – ASME/ANSI Class 600 ASME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings – Class 600 Flanges – outside and inside diameters, bolt circles, numbers and diameters of bolts for Weld neck, Threaded, Slip-on, Lap joint, Socket weld and Blind flanges. Carbon and stainless steel qualities according ASME B16.5 Table 1A. 1) Recommended…