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Monel 400 Flanges

Monel 400 flanges

What are monel 400 flanges?

These flanges get produced from a nickel-copper alloy containing the elements in approximately 67% and 23% proportions. Monel 400 flanges are best known for their readiness for marine industries, defying corrosion when exposed to seawater and brackish water. Clients can acquire these products in different types, like amonel 400 lap joint flange or threaded and socket-weld options.

Which industries commonly use K500 slip on flange?

The coveted mechanical and chemical properties of K500 slip on flange are beneficial for multiple sectors, including marine fittings and propeller shafts, chemical processing, and oil and gas. Alloy 400 flanges are helpful in heat exchangers, heaters, gasoline tanks, hydrocarbon processing equipment, and even electrical/electronic components.


UNS N04400 Forged Flanges Manufacturer in India, For Detail Information Check Specification Table

Specification of Monel 400 Flanges


Monel 400 flanges specification

Alloy 400 Weld Neck Flanges Delivery Schedules


Country  Name Papua New Guinea Australia New Zealand Solomon
 Delivery Time  50-55 days

Find Alloy 400 Blind Flanges in Cl 150 to 2500 Pressure Class, Check Pressure Ratings

Pressure Ratings of 2.4360 Monel 400 Blind Flange


NB of ASTM B564 monel 400 flange Pressure rating of monel 400 blind flange
sizes PN40 PN10 PN25 PN16 PN6
DN 50 165 165 165 165 140
2" 125 125 125 125 110 Bolt circle
4 x 18 4 x 18 4 x 18 4 x 18 4 x 14 *
DN 40 150 150 150 150 130
1 1/2" 110 110 110 110 100 Bolt circle
4 x 18 4 x 18 4 x 18 4 x 18 4 x 14 *
DN 15 95 95 95 95 80
1/2" 65 65 65 65 55 Bolt circle
4 x 14 4 x 14 4 x 14 4 x 14 4 x 11 *
DN 20 105 105 105 105 90
3/4" 75 75 75 75 65 Bolt circle
4 x 14 4 x 14 4 x 14 4 x 14 4 x 11 *
DN 25 115 115 115 115 100
1" 85 85 85 85 75 Bolt circle
4 x 14 4 x 14 4 x 14 4 x 14 4 x 11 *
DN 32 140 140 140 140 120
1 1/4" 100 100 100 100 90 Bolt circle
4 x 18 4 x 18 4 x 18 4 x 18 4 x 14 *

What are the advantages of using monel 400 forged flanges over other flange materials?

This material extends several benefits in tensile strength, corrosion resistance, and fitment to temperatures up to 1000°f. A uns n04400 forged flange offers good weldability and strength. It has a minimum yield strength and tensile strength of 195mpa and 480mpa.

Types of K500 Flanges


Monel 400 lap joint flange

Monel 400 lap joint flange

Alloy 400 blind flange

Alloy 400 blind flange

DIN 2.4360 socket weld flange

DIN 2.4360 socket weld flange

K500 slip on flange

K500 slip on flange

Get DIN 2.4360 Weld Neck Flanges in FF, LJ, M&F, and RTJ Face Type as per MSS SP-44 Standard, Find Manufacturing Standard Below

ASTM B564 N04400 Slip On Flanges Manufacturing Standards


Manufacturing Method plate flange forged flanges cast flange machined flanges (Made from Bar stock)
Monel K500 flange ASTM/ ASME standard ASTM B127 UNS N05500 ASME SB127 UNS N05500 ASTM B564 ASME SB564 ASTM A494 M30H ASME SA494 M30H ASTM B 865 ASME SB 865
Monel 400 flange ASTM/ ASME standard ASTM B127 UNS N04400 ASME SB127 UNS N04400 ASTM B564 ASME SB564 ASTM A494 M35-1 ASME SA494 M35-1 ASTM B 164 ASME SB 164

Can astm b564 uns n04400 flanges be tested for defects using ultrasonic and hydrostatic methods?

Accurate and meticulous testing is vital for monel 400 pipe flanges since they operate in sensitive environments. Manufacturers may use ultrasonic and hydrostatic methods to detect flaws and defects. Other common approaches are a direct-reading spectrograph, x-ray detector, and magnetic particle detection. Third-party inspection from an accredited lab is also a good option for a monel alloy 400 threaded flange.

Find ASTM B564 N04400 Socket Weld Flanges in Smooth and Serrated finish, Check Number of the Bolt Holes

Monel Forged Flnages Diameter and No. of Bolt Holes


Pressure class Class 150 Class 300 Class 400 Class 600 Class 900 Class 1500 Class 2500
Hole 25.4 mm/ 12 holes 28.6 mm / 16 holes 34.9 mm / 16 holes 34.9 mm/ 20 holes 38.1 mm/ 20 holes 54 mm/ 16 holes 73mm / 12 holes

How does a nickel 400 blind flange compare to other flange materials in terms of corrosion resistance?

Top-notch corrosion resistance is a hallmark of an alloy 400 blind flange. It can withstand seawater, sulfuric acid, hydrofluoric acids, and alkalis. These products resist corrosion in different forms, like pitting, stress cracking, and crevice erosion. While the abrasion tolerance is superior to stainless steel, so is the price.

Check Nickel Alloy 400 Plate Flange Chemical Composition, Equivalent and Mechanical Proprties

Chemical Composition of Monel 400 Socket Weld flange


Grade Mn Ni C S Cu Fe Si Al Ti
Monel 400 2.0 max 63.0 min 0.3 max 0.02 max 28.0 – 34.0 1.0 – 2.5 0.5 max 0.50 max -

Mechanical Properties of K500 Plate Flange


Element Yield strength(0.2%Offset) Density Elongation Tensile strength Melting point
Monel 400 Psi-35000, MPa-240 8.8g/cm3 40% Psi–80000, MPa–550 1350°C (2460°F)

Equivalent Grade of Monel 400 Weld Neck Flange


STANDARD UNS EN GOST AFNOR BS WERKSTOFF NR. JIS
Monel 400 N04400 NiCu30Fe МНЖМц 28-2,5-1,5 NU-30M NA 13 2.4360 NW 4400

What is the composition of din 2.4360 pipe flanges? How does it affect its properties?

The sought-after corrosion resistance of a monel 400 forged ring gets traced to the percentage of copper in the composition (23%). It is also ductile and can be cost-effective compared to its performance benefits in harsh conditions.

A din 2.4360 socket weld flangecan undergo annealing and tempering to achieve properties like impact strength. Clients can choose specific heat treatments to obtain the desired properties.