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Latest Articles
Flange-Face and Face-Finish: Meaning & Types per ASME B16.5
The different types of flange faces (FF, RF, RTJ, Lap Joint, M&F, T&G), and of flange face finish (stock, smooth, spiral/concentric serrated, coldwater), AARH…
Threaded Flanges Dimensions & Weights (ASME B16.5)
The article shows the ASME B16.5 dimensions & weights (in Lbs./kgs.) of Threaded Flanges Classes from 150 to 2500 (NPS, ID, OD, Thickness, and bolting details, tolerances) – both in inches and millimeters.
Comprehending the Differences between Casting Vs. Forging in Steel Production
Unveil the differences between forged and cast steel, their benefits, applications, and how to choose the right type of material for an application…
Flange Isolation Kits to Prevent Corrosion: Use, Types, and Selection Criteria
Learn what is a flange isolation kit for cathodic protection, existing types (F, E; D), and materials…
ASTM A335 Alloy Steel Pipes for High-Temperature Service (Gr. P5, P9, P11, P22, P91)
Learn about the alloy steel pipes specification ASTM A335 that covers “chrome-moly” seamless pipes with remarkable resistance to corrosion and good tensile strength at high-temperature service. Generally, ASTM A335 P11, P22, and P91 pipes are used in power generation, and in downstream oil and gas, P5 and P9 grades are
Understand LEL and UEL for Flammable Gases: Values, Hazards, Measurement, and Risk Mitigation
Explore the critical safety parameters of explosive gases: Understand the importance of LEL and UEL in preventing fires and explosions in industrial settings…
Hex Steel Nuts & Washers for Stud Bolts (ASTM A194 2/2H/4/7)
Dive into the specifics of ASTM A194 hex steel nuts & washers for stud bolts: grades, properties, and applications in high-pressure, high-temperature settings…
ASTM A312 / A790 / A928 Stainless Steel, Duplex, and Super Duplex Pipes for Corrosive Service
The ASTM A312 specification covers seamless and welded austenitic stainless steel pipes used for high-temperature and/or corrosive service (the most common grades are 304/304L and 316/316L). The A790 specification covers seamless duplex and super duplex pipes UNS S32205/31803 and UNS S32750/32760 (special SS grade with a mixed ferritic/austenitic microstructure). In
