Monel 400 Buttweld Fittings - Ratanex

Monel 400 Buttweld Fittings

Monel 400 buttweld fittings take all of the alloy’s natural advantages and turn them into precisely engineered components designed to create durable, strong, and long-lasting piping systems. These fittings aren’t just metal—they’re peace of mind for engineers who can’t afford to compromise on safety, reliability, or service life.

But why exactly is Monel 400 so popular? How do its buttweld fittings compare to other types of fittings? What industries depend on them? And what specifications should buyers look for?

In this in-depth guide, we’ll break down everything you need to know about Monel 400 buttweld fittings—from their chemical composition and mechanical properties to their real-world applications and advantages. Whether you’re a procurement manager sourcing

materials for a new project, an engineer designing a critical pipeline, or simply someone trying to better understand industrial materials, you’ll find this guide a practical, clear, and valuable resource.

Let’s dive in and explore why Monel 400 buttweld fittings have become a staple in some of the world’s most demanding industries.

Monel 400 buttweld fittings are pipe fittings manufactured from the Monel 400 alloy (UNS N04400), designed to connect sections of pipe in a secure, leak-proof way through welding. Unlike threaded or socket-weld fittings, buttweld fittings provide smooth inner surfaces and gradual transitions, minimizing pressure drop and turbulence.

These fittings are critical in process piping systems where high strength, durability, and corrosion resistance are required—even in harsh environments such as seawater or acidic conditions.

Monel 400 ButtWeld Fittings Stock Size Range and Specifications
Grade	Monel 400 / UNS N04400
Standard	ASTM B366, ASME SB366
Dimensions	ASME B16.28, ASME/ANSI B16.9, MSS-SP-43
Monel 400 Seamless Fittings	1/2″ NB – 10″ NB
Monel 400 Welded Fittings	1/2″ NB – 48″ NB
Form	90 Elbow, 45 Elbow, Long Radius Elbow‘ Short Radius Elbow, Concentric Reducer, Eccentric Reducer, Equal Tee, Unequal Tee, Lateral Tee, Cross, Bends 1.5d, 3d, 5d, 10d, U bend, 180 Deg Bend, Short Stub End, Long stub end, Concentric Reducer,End Cap, Dish Cap, Lap-joint
Schedule	SCH 5 To SCH XXS
Wall Thickness	from 2 to 40 mm
Type	Seamless / Welded / Fabricated

Monel 400 butt-weld fittings Chemical Composition

– Nickel (Ni): 63% min

– Copper (Cu): 28-34%

– Iron (Fe): 2.5% max

– Manganese (Mn): 2% max

– Carbon (C): 0.3% max

– Silicon (Si): 0.5% max

– Sulfur (S): 0.024% max

Monel 400 ButtWeld Fittings Mechanical Properties

– Tensile Strength: 550-690 MPa (80-100 ksi)

– Yield Strength: 240-310 MPa (35-45 ksi)

– Elongation: 35% min

– Hardness: 110-150 HB

Monel 400 ButtWeld Fittings Physical Properties

– Density: 8.8 g/cm³

– Melting Point: 1300-1350°C

Monel 400 ButtWeld Fittings Applications

– Marine applications: Monel 400 is resistant to seawater corrosion and is often used in marine hardware.

– Chemical processing: The alloy’s resistance to corrosion by acids and alkalis makes it suitable for chemical processing applications.

– Aerospace: Monel 400 is used in aerospace applications due to its high strength and resistance to corrosion.

Monel 400 ButtWeld Fittings Specifications

– ASME B16.9: Monel 400 butt-weld fittings meet the requirements of ASME B16.9 standard specification for factory-made wrought butt-welding fittings.

– ASTM B366: The material meets the requirements of ASTM B366 standard specification for factory-made wrought nickel and nickel alloy fittings.

Other Forms / Products Available
Monel 400 Pipe Fitting	Monel 400 Butt weld Fitting	Monel 400 Seamless Fitting
Monel 400 Welded Fitting	Monel 400 90 Elbow	Monel 400 45 Elbow
UNS N04400 Long Radius Elbow	WNR. 2.4360 Short Radius Elbow	Monel 400 Concentric Reducer
Monel 400 Eccentric Reducer	Monel 400 Equal Tee	Monel 400 Unequal Tee
Monel 400 Lateral Tee	UNS N04400 Fitting Cross	Monel 400 Pipe Bends
Monel 400 U Bend	Monel 400 180 Deg bend	Monel 400 Short Stub end
UNS N04400 Stub End	Monel 400 End Cap	Monel 400 Dish Cap

Monel 400 Buttweld Fittings Price List

UNS N04400 Long Radius Elbow : US $0.5-1000 / Piece (FOB Price).
Monel 400 Eccentric Reducer : US $300-500 / Ton (FOB Price).
WNR. 2.4360 Short Radius Elbow : US $1-900 / Piece (FOB Price).
UNS N04400 Fitting Cross : US $0.5-1000 / Piece (FOB Price).
Monel 400 Pipe Bends : US $1-300 / Piece (FOB Price).

Ready to Ship, Wherever You Need Reliable Supplies for your next big project?

Whether you’re based in India or shipping internationally, we’re here to make sourcing simple. We supply across the USA, Canada, Australia, Germany, Brazil , and the United Kingdom. Fast quotes, custom sizes, and bulk orders available.

Let us know what you need—we’ll take care of the rest.

Supplies from Different Countries

Supplies from Different Countries

Flag	Country	Code
🇮🇳	India	IN
🇺🇸	United States	US
🇬🇧	United Kingdom	GB
🇨🇳	China	CN
🇯🇵	Japan	JP
🇩🇪	Germany	DE
🇮🇹	Italy	IT
🇹🇷	Turkey	TR
🇦🇪	United Arab Emirates	AE
🇸🇦	Saudi Arabia	SA
🇶🇦	Qatar	QA
🇴🇲	Oman	OM
🇰🇼	Kuwait	KW
🇦🇺	Australia	AU
🇨🇦	Canada	CA
🇳🇱	Netherlands	NL
🇮🇩	Indonesia	ID
🇪🇬	Egypt	EG