Adinox Overseas is a trusted name in the global metal industry, renowned for supplying top-grade Nitronic 50 Flanges and Nitronic 60 Flanges to meet diverse industrial applications. These premium stainless steel flanges are engineered to deliver excellent mechanical strength, superior corrosion resistance, and outstanding wear properties, making them ideal for marine, petrochemical, chemical processing, and aerospace industries.

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Our Nitronic 50 Flanges are produced from nitrogen-strengthened austenitic stainless steel, identified as UNS S20910, and are manufactured in full compliance with ASTM A182 standard. Known universally as XM-19, Nitronic 50 offers superior pitting resistance and stress corrosion cracking compared to conventional 316/316L flanges. It retains excellent toughness even at cryogenic temperatures, making it an excellent choice for demanding environments where strength and corrosion resistance are critical.

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On the other hand, Nitronic 60 Flanges are fabricated using stainless steel grade UNS S21800 as per ASTM A182 specifications. This alloy is widely recognized for its superior galling and wear resistance, even in unlubricated metal-to-metal contact applications. Nitronic 60, often referred to as Alloy 218 or UNS S21800, is especially suited for applications involving valve stems, wear rings, and fasteners where seizing and galling are a concern. The high silicon and manganese content significantly improves resistance to adhesive wear and fretting, even under high-pressure and high-temperature environments.

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We serve industries including oil & gas, desalination plants, nuclear power, fertilizers, and pharmaceutical sectors that require dependable and high-performing components. Our commitment to timely delivery, competitive pricing, and customer satisfaction has made us a preferred choice in over 60 countries. Whether you require slip-on, socket weld, threaded, weld neck, or blind flanges in Nitronic 50 or 60, Adinox Overseas is your one-stop destination for world-class solutions.

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Specifications Of Nitronic 50/60 Flanges

Specifications	ASTM A182 / ASME SA 182
Standard	ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Pressure Rating	Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
Size	1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000
Flange EN	6Bar 10Bar 16Bar 25Bar 40Bar
Coating	Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized
Common Types	Forged / Threaded / Screwed / Plate
Face Type	Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove
Test Certificates	EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report etc.

Chemical Composition for Nitronic 50/60 Flanges

Grade	C	Mn	Si	P	S	Cr	Mo
Nitronic 50/60	0.07 max	1.0 max	1.0 max	.07 max	.03 max	17.5 - 15.0	.05

Mechanical Properties Of Nitronic 50/60 Flanges

Ultimate Tensile Strength, psi	Yield Strength, psi	Elongation	Rockwell Hardness
160,000	145,000	5%	C35

Application Of Industries

Power Plants

Aerospace

Refineries

Construction

Oil & Gas

Sugar

Chemical

Petrochemical

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