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monel 400 flanges

Monel 400 flanges specification

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.

K500 slip on flange manufacturer in India, check which industries commonly use in monel 400 pipe flanges

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.


Specification of Monel 400 flanges

Specifications Size Schedules
ASTM B564/ ASME SB564 1/2" - 48" Class 300, 150, 400, 900, 600, 2500, 1500
Flange face type Production technique Types
Raised face, ring type joint, flat face, lap-joint face Forged, machined, heat treated Blind, slip on, weld neck, socket weld flanges

We at Manifest Alloys are proud to announce our expertise in supplying Alloy 400 flanges of the highest quality, sourced from trusted manufacturers in Mumbai, view advantages of Nickel Alloy 400 slip on flange

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

We use various testing methods such as ultrasonic testing, hydrostatic testing, and pneumatic testing to ensure the quality of our Monel 400 lap joint flange and Alloy 400 blind flanges

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.

Chemical composition of monel 400 blind 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 -
Our DIN 2.4360 socket weld flange and Monel Alloy 400 threaded flange are celebrated for their outstanding corrosion resistance, making them ideal for a variety of applications.

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.

Mechanical properties of K500 slip on 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)
To check the durability of UNS N04400 forged flange and Monel 400 weld neck flange, read more about its properties and composition

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.

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

Pressure ratings of 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 *