STD-TB-BUL-5368 Stud Bolt Specification: Technical Guide for Piping Flange Bolting What Is STD-TB-BUL-5368? STD-TB-BUL-5368 is an engineering specification originally issued by Snamprogetti for stud bolts, nuts, and washers used in piping flange connections. It provides technical guidance on bolting configurations, thread designations, dimensional requirements, length tolerances, material identification, and inspection. Read more…
How Forged Steel Flanges Are Made | Manufacturing Process Forged steel flanges are typically manufactured through raw material verification, billet cutting, heating, forging or ring rolling, heat treatment, rough machining, CNC finish machining, bolt-hole drilling, sealing-face machining, inspection, marking and final packing. The exact manufacturing route depends on the steel Read more…
GOST Pipe Fittings Manufacturer Russian Standard Steel Pipe Fittings for Industrial Pipeline Systems GOST Pipe Fittings are steel pipeline components manufactured according to Russian and CIS technical standards for connecting, redirecting and controlling industrial piping systems. We supply GOST steel pipe fittings including elbows, tees, reducers, caps, bends and customized Read more…
ASTM A262 Intergranular Corrosion Test (IGC) | Practices A, B, C, E, F Explained ASTM A262 is a standard test method used to evaluate the susceptibility of austenitic stainless steels to intergranular corrosion (IGC). It includes Practices A, B, C, E, and F, which assess sensitization and corrosion resistance under Read more…
Understanding NACE MR0175 / ISO 15156 (Sour Service Material Standard) NACE MR0175 / ISO 15156 is an international standard that defines material requirements for metallic components used in hydrogen sulfide (H₂S) environments in oil and gas production. It ensures resistance to sulfide stress cracking (SSC), hydrogen-induced cracking (HIC), and other Read more…
SA179 Finned Tube Shipment with Aluminum 1100 Extruded Fins Successfully Delivered We have successfully completed the shipment of SA179 seamless finned tubes with Aluminum 1100 extruded fins to our client. These finned tubes are designed for high-efficiency heat transfer applications, featuring precise dimensions, strict inspection, and certified quality in accordance Read more…
ASTM A335 P91 Type 1 vs Type 2: Key Differences Explained The main difference between ASTM A335 P91 Type 1 and Type 2 lies in microstructure control and long-term creep performance. Type 2 offers improved toughness, better stability, and enhanced resistance to high-temperature deformation, making it more suitable for critical Read more…
Ring Type Joint (RTJ) Gasket Weight Chart Ring Type Joint Gasket Weight Chart – Dimensions & Mass Reference Our Ring Type Joint (RTJ) Gasket Weight Chart provides accurate weight data for standard RTJ gaskets used in high-pressure and high-temperature flange connections. This reference chart helps engineers, procurement managers, and pipeline Read more…
Super Duplex UNS S32750 Pipes, Pipe Fittings & Flanges for Seawater Desalination High-Performance Super Duplex Stainless Steel Solutions for Desalination Plants Super Duplex UNS S32750 pipes, fittings, and flanges are widely used in seawater desalination systems due to their exceptional resistance to chloride corrosion, pitting, crevice corrosion, and stress corrosion Read more…
ASTM A182 F53 Weld Neck Flanges with TUV inspection dispatched to overseas client High Quality of ASTM A182 F53 Weld Neck Flanges with TUV Inspection Successfully Dispatched to Overseas Client. [Shanghai, China – Oct 2025] – We are pleased to announce the successful dispatch of a batch of ASTM A182 Read more…