ASTM B564 UNS N04400 Flange

The MONEL 400 flanges offer exceptional corrosion resistance, especially in seawater and chemical environments. Their high nickel content enables them to effectively resist the corrosive effects of various acids and alkalis while providing good mechanical properties and weldability.

High-Quality MONEL 400 Alloy Flange

SMM provides Monel 400 flanges from high-quality MONEL 400 alloy, strictly adhering to ASTM B564 standards. Comprising approximately 63% nickel, 30% copper, and small amounts of iron and manganese, MONEL 400 offers exceptional corrosion resistance and mechanical properties, making it ideal for use in challenging seawater and chemical environments.

Our range of MONEL 400 flanges encompasses various types:

Types : Weld Neck (WN), Long Weld Neck (LWN), Slip-On (SO), Blind, Lap Joint, Socket Weld (SW), Threaded, and Other Products
Size: 1/2" - 48", 150# - 1500#
Producing Standard: ASME B16.5, ASME B16.47 Series A & B, EN1092-1:2002, etc.
Materials: ASTM B564 MONEL 400

Monel 400 Chemical Composition、Physical & Mechanical Properties

For a comprehensive understanding of the chemical composition and mechanical properties of MONEL 400 flanges in line with the ASTM B564 standard, please refer to the table provided below.

Equivalent monel alloys

Monel Alloy	UNS Number	EN Number	DIN Number	AFNOR	BS	JIS
Monel 400	N04400	2.436	W.Nr. 2.4360	–	NA 13	NW 4400

Chemical Composition of Monel Alloys (in %):

Element	Nickel (Ni)	Copper (Cu)	Iron (Fe)	Manganese (Mn)	Carbon (C)	Silicon (Si)	Sulfur (S)
Content (%)	63.0 min	28.0 – 34.0	2.5 max	2.0 max	0.3 max	0.5 max	0.024 max

Property	Tensile Strength	Yield Strength	Elongation	Hardness
Value	70 ksi min (485 MPa min)	25 ksi min (170 MPa min)	35% min	Not to exceed 150 HB (Brinell)

UNS N04400 Flanges by Types

SSM’s Monel 400 flange types cater to a wide range of applications, from high-pressure and high-temperature environments to low-pressure, easy disassembly, and assembly systems, each with distinct advantages and specific application scenarios. If you need a custom flange, we are fully equipped to meet your production requirements.

Advantages and Disadvantages UNS N04400 Flanges

Advantages:
– Excellent performance in corrosive environments, including seawater, acidic, and alkaline media.
– High resistance to chloride-induced stress corrosion cracking.
– Long-term use in harsh industrial environments reduces the frequency of maintenance and replacement.

Disadvantages:
– Relatively high cost, especially compared to ordinary carbon steel or stainless steel.
– Higher surface hardness may cause increased wear on processing equipment and tools.

Applications of ASTM B564 Monel 400 Flange

How do Monel 400 Flanges compare to Monel K500 ?

Monel 400 offers excellent general-purpose corrosion resistance and strength, but other Monel alloys like Monel K500 provide enhanced strength and additional benefits such as higher resistance to stress corrosion cracking.

Summary

UNS N04400 flanges offer significant advantages in terms of corrosion resistance, strength, and fabricability, making them ideal for demanding applications. However, their higher cost, potential machining difficulties, and limitations in certain environments should be considered when selecting materials for specific applications.
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More Resources:

https://en.wikipedia.org/wiki/Monel