14 article(s) in this category
Compare ASME B16.5 slip-on vs weld neck flanges for refinery piping. Learn pressure ratings, materials, standards, and selection criteria from Jiaji Forging.
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Flange Corrosion Types vs Corrosion Prevention Flanges for Marine Applications: Which Material Should You Choose? In marine environments, flanges are subjected to aggressive corrosion mechanisms including pitting, crevice corrosion, stress corrosion cracking (SCC), and galvanic...
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EN 1092-1 Type 11 vs ASME B16.5 Weld Neck Flanges: Complete Comparison for Kazakhstan Oil Projects (2026) As a forging engineer with 15 years of experience at JIAJI FORGING, I have witnessed firsthand the critical importance of selecting the correct flange standard for oil and...
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A350 LF2 Low Temp vs A182 F304 Stainless Flanges for Cryogenic LNG Service: Which Material Should You Choose? Selecting the right flange material for cryogenic LNG service (typically at -196°C) is critical to ensuring safety, durability, and cost-efficiency. Among the most...
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ASME B16.47 Series A vs ASME B16.47 Series B Flanges: Complete Comparison for Large Diameter Pipeline (2026) In the global oil and gas industry, selecting the correct large-diameter flange standard is critical for pipeline integrity, cost control, and regulatory compliance. ASME...
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Chemical Composition: A182 F51 Duplex vs A182 F53 Super Duplex For desalination plants, the chemical composition of A182 F53 Super Duplex offers superior chromium, molybdenum, and nitrogen content compared to A182 F51 Duplex, directly enhancing pitting and crevice corrosion...
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Jiaji Forging is a premier Chinese manufacturer and exporter of forged flanges, serving the global oil & gas, petrochemical, and offshore industries since 2005. With over 18 years of expertise, we specialize in high-performance duplex and super duplex flanges, including Duplex...
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Jiaji Forging, a leading Chinese manufacturer specializing in forged flanges for global oil & gas markets, offers a comprehensive range of large diameter weld neck flanges compliant with ASME B16.47. With over 20 years of experience, Jiaji ensures precision engineering, strict...
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Zhejiang Jiaji Forging Co., Ltd., a leading ISO 9001 & PED-certified flange manufacturer in China, delivers premium stainless steel, carbon steel, and alloy steel flanges for demanding oil & gas, petrochemical, and marine applications worldwide. With a global market projected to...
Read MoreQuick Answer: GOST 33259-2015 and ASME B16.5 are the two dominant flange standards for Caspian and CIS oil & gas projects. GOST flanges use PN pressure ratings (PN6 to PN250) and metric dimensions, while ASME flanges use Class ratings (150 to 2500) and imperial dimensions. The...
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