Monel 400 Flanges | K500 Flanges Supplier Mumbai, India

Built for superior corrosion resistance and strength, Monel 400/K500 Flanges are engineered from high-nickel alloys renowned for their exceptional corrosion resistance, durability, and mechanical strength in the harshest environments. Monel 400 offers outstanding performance in marine, chemical, and petroleum applications, while Monel K500 enhances that performance with greater hardness and tensile strength. Together, they provide long-term reliability for industries requiring high-pressure sealing, leak-proof joints, and resistance to acids, alkalis, and seawater exposure. Designed for demanding operations, these flanges deliver stability, safety, and longevity where standard materials fall short.

Monel 400 flanges are widely used by offshore drilling companies, marine engineers, desalination plants, and chemical processing industries that handle corrosive fluids and saltwater exposure. Monel K500 Flanges are preferred by oil & gas refineries, aerospace firms, power generation units, and defense contractors, where high strength, impact resistance, and thermal stability are mission-critical. Both grades find extensive use in heat exchangers, condensers, pressure vessels, and process pipelines, ensuring smooth performance and minimal maintenance in aggressive service conditions.

Monel 400 slip on flanges are chosen by fabrication specialists and maintenance teams for their ease of installation and precise alignment in low to moderate pressure systems such as cooling water circuits, pump connections, and marine piping lines. On the other hand, Monel K500 Slip On Flanges serve in heavy-duty processing plants and offshore platforms where toughness and corrosion protection are vital. Meanwhile, Monel 400 Weld Neck Flanges are trusted by refineries and chemical industries for high-pressure pipelines and high-temperature operations, and Monel K500 Weld Neck Flanges are used in aerospace assemblies, power plants, and subsea systems demanding superior fatigue strength and leak-tight performance. Together, they represent the perfect combination of engineering precision, endurance, and safety that modern industries depend on.

Monel 400/K500 Flanges Equivalent Grades

STANDARD	UNS	WNR.	JIS	EN
Monel 400	N04400	2.4360	NW 4400	NiCu30Fe
Monel K500	N05500	2.4375	-	-

Alloy 400 / K500 Slip On Flanges

Monel 400 SORF Flanges, UNS N04400 / N05500 Slip On Flanges, DIN 2.4360 SORF Flanges, ASME SB 564 Alloy K500 Slip-on Raised Face Flanges

Monel 400 / K500 Weld Neck Flanges

ASME SB564 Monel 400 WNRF Flanges, ASTM B564 Monel K500 Weld Neck Flanges, DIN 2.4360 Weld Neck Flanges, UNS N04400 Weld Neck Raised Face Flanges

Alloy 400 / K500 Blind Flanges

ASTM B564 Monel 400 Blind Flanges, UNS N04400 / DIN 2.4360 Blind Flanges, ASME SB564 Alloy K500 BLRF Flanges, Alloy 400/K500 Blind Raised Face Flanges Supplier

Alloy 400/K500 Threaded Flanges

DIN 2.4360 Threaded Flanges, UNS N04400 Screwed Flanges, ASME SB 564 Alloy K500 Threaded Flanges, ASTM B564 Monel K500 Threaded Flanges

Alloy 400/K500 Socket Weld Flanges

ASTM B564 K500 Monel Socket Weld Flanges, Monel UNS N04400/ N05500 Socket Weld Flanges, Alloy DIN 2.4375 Socket Weld Flanges

Monel 400/K500 Lap Joint Flanges

UNS N04400 Lap Joint Flanges, Monel 400 Lap Joint Flanges, ASTM B564 K500 Monel Lap Joint Flanges, ASME SB564 Monel Alloy 400/K500 Lap Joint Flanges

Alloy 400/K500 Ring Type Joint Flange

UNS N04400 Ring Type Joint Flange, ANSI B16.5 Monel 400 RTJ Flanges, ASTM B564 Monel K500 Ring Type Joint Flanges, ASME SB564 Alloy 400/K500 Ring Type Joint Flanges

Monel 400/K500 Orifice Flanges

UNS N04400 Orifice Flanges, B16.36 Monel 400 / K500 Orifice Flanges, ASTM B564 Alloy 400 Orifice Flanges, ASME SB 564 Monel Alloy 400/K500 Orifice Flanges

Alloy 400/K500 Long Weld Neck Flanges

UNS N05500 Long Weld Neck Flanges, Monel 2.4375 Long Weld Neck Flanges, ASTM B564 Monel K500 Long Weld Neck Flanges, ASME SB 564 Monel K500 Long Weld Neck Flanges

Monel 400/K500 Spectacle Blind Flanges

UNS N05500 Spectacle Blind Flanges, ANSI / ASME B16.5 Alloy K500 Spectacle Blind Flanges, ASTM B564 Alloy 400/K500 Spectacle Blind Flanges, SB 564 Monel 400/K500 Spectacle Blind Flanges

Monel 400/K500 Forged Flanges

UNS N05500 Forged Flanges, B16.5 Alloy 400 Forged Flanges, ASTM B564 Monel Alloy K500 Forged Flanges, ASME SB564 Alloy 400/K500 Forged Flanges

Monel 400/K500 Plate Flanges

UNS N04400 Plate Flanges, ANSI B16.5 Monel 400/K500 Plate Flanges, ASTM B564 Monel 400/K500 Plate Flanges, ASME SB564 Monel Alloy K500 Plate Flanges

Monel Flanges Specification :

ASTM B564 / ASME SB564

Dimension Standard :

ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.

Standard :

ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.

Size :

1/2" (15 NB) to 48" (1200NB)

Class / Pressure :

150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Flange Face Type :

Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

DIN Flanges :

DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673.

JIS Flanges :

JIS B2220 5K, JIS B2220 10K, JIS B2220 16K, JIS B2220 20K

BS Flanges :

BS4504 PN 6, BS 4504 PN 10, BS4504 PN 16, BS4504 PN 25, BS4504 PN 40, BS 4504 PN 64, BS 4504 PN 100, BS 4504 PN 160, BS 4504 PN 250, BS 10, BS Table D, BS Table E, BS Table F, BS Table H.

Chemical Composition of Monel 400 / K500 Flanges

Grade	Ni	Fe	C	Mn	Si	Cu	Al	Ti	S
400	63.0- 70.00 max	2.50 max	0.3 max	2.00 max	0.50 max	Remainder	-	-	0.024 max
K500	63.0 min	05 - 2	0.25 max	1.5 max	0.5 max	27.0 - 33.0	2.3 - 3.15	0.35 - 0.85	0.010 max

Mechanical Properties Of Monel 400 / K500 Flanges

Grade	Tensile (ksi)	.2% Yield (ksi)	Elongation %	Hardness (HRb)
400	75 to 90	25 to 50	60 to 35	60 to 80
K500	Psi – 1,60,000 , MPa – 1100	Psi – 1,15,000 , MPa – 790	20 %	-

Physical Properties of Monel 400/K500 Flanges

Density@ Room Temp	0.318 lb/in3
Elastic Modulus @ 70ºF (tension)	26.0 x 106psi
Specific Heat @ 70°F	0.102 Btu/lb/°F
Melting Point	2370°F to 2460°F
Thermal Conductivity @ 70°F	151 Btu • in/h/ft 2 /°F
Electrical Resistivity @ 70°F	0.511 μ Ω • m