ASTM A694 F65 Blind Flange | ASME B16.5 RF & RTJ ASTM A694 F65 Blind Flanges are high-yield forged steel flanges used to close pipeline ends, valve connections, pressure equipment nozzles and future piping tie-in points in high-pressure transmission systems. Grade F65 provides a minimum yield strength of 65 ksi / 450 MPa, making it suitable for high-strength oil and Read more…
S 38.011 Spectacle Blind | DEP & MESC Class 150–2500 S 38.011 spectacle blinds are line-isolation components used between ASME flange connections in piping systems where project documentation specifies Shell Standard Drawing and MESC requirements. We manufacture spectacle blinds against customer-specified project documents, including S-38.011-001 / S-38.011-002, applicable MESC SPE requirements, ASME flange standards and the material specifications stated in Read more…
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. Unlike ASTM A193 or ASME B1.1, STD-TB-BUL-5368 is a company Read more…
ASTM A194 Grade 7 vs Grade 4 Heavy Hex Nuts ASTM A194 Grade 7 and the former Grade 4 are quenched-and-tempered alloy steel nut grades historically used for high-pressure and high-temperature bolting applications. The two grades had similar mechanical-property requirements but were based on different alloy chemistries. A particularly important difference is their status within ASTM A194: Earlier editions of Read more…
ASTM A403 WP316Ti Elbow | UNS S31635 / EN 1.4571 / ASME B16.9 ASTM A403 WP316Ti elbows are wrought austenitic stainless steel butt-weld fittings manufactured from titanium-stabilized 316Ti stainless steel. The material is commonly identified as UNS S31635, EN 1.4571, and X6CrNiMoTi17-12-2. 316Ti combines chromium, nickel and molybdenum with titanium stabilization. The titanium addition helps reduce chromium carbide precipitation during Read more…
UNS N09925 Stud Bolt | Alloy 925 High-Strength Fasteners UNS N09925 stud bolts are high-strength, precipitation-hardened nickel-iron-chromium alloy fasteners designed for corrosive oil and gas, offshore and sour-service applications. The alloy contains nickel, chromium, molybdenum, copper, titanium and aluminum, combining high mechanical strength with resistance to chloride stress-corrosion cracking, pitting, crevice corrosion and many H₂S-containing environments. We manufacture and supply Read more…
UNS N08825 Stud Bolt | Alloy 825 Bolts & Nuts UNS N08825 stud bolts are corrosion-resistant nickel-iron-chromium-molybdenum-copper fasteners used in chemical processing, acid service, offshore, marine and other aggressive environments. Alloy 825 combines nickel, chromium, molybdenum, copper and titanium to provide resistance to chloride stress-corrosion cracking, sulfuric and phosphoric acid environments, pitting and crevice corrosion. We manufacture and supply UNS Read more…
ASTM B424 UNS N08825 Plate & Sheet | Alloy 825 2.4858 ASTM B424 UNS N08825 plate and sheet are nickel-iron-chromium-molybdenum-copper alloy products designed for corrosive chemical, acid-processing, oil and gas, marine and pollution-control applications. Alloy 825 combines high nickel and chromium contents with molybdenum, copper and titanium to provide resistance to chloride stress-corrosion cracking, reducing acids, oxidizing environments, pitting and 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 grade, flange type, size, pressure class and applicable material specification. Read more…
ASTM B168 UNS N06600 Alloy 600 Plate, Sheet & Strip | ASME SB-168 We supply ASTM B168 UNS N06600 Alloy 600 plate, sheet and strip for high-temperature equipment, chemical processing, furnace components, energy systems and other demanding industrial applications. Alloy 600 / UNS N06600 / W.Nr. 2.4816 is a nickel-chromium-iron alloy combining excellent high-temperature oxidation resistance, good mechanical strength and Read more…