Monel 400 Manufacturer

Monel 400 is a nickel-copper alloy known for its excellent corrosion resistance, especially in seawater and chemical environments.

Monel 400 Supplier

SSM is a trusted manufacturer and supplier with comprehensive capabilities in producing and delivering high-quality Monel 400 products tailored to demanding industrial applications. Our product range includes precision-engineered Monel 400 round bars, rods, strips, sheets, plates, tubes, seamless pipes, and seamless tubes, all manufactured to meet stringent international standards. Whether you require standard stock or custom dimensions, SSM ensures excellent corrosion resistance, mechanical strength, and consistent quality across all products. Our Monel 400 materials are ideal for marine, chemical, oil & gas, and heat exchanger applications.

SSM - Professional Manufacturer of Monel 400 Products in China

SSM also specializes in Monel 400 components and fasteners, including flanges, fittings, pipe fittings, hex bolts, custom hex nuts, screws, rivet nuts, filler wires, threaded inserts, and custom Monel 400 springs. Our forged parts and special-order items can be customized to your exact design and application needs. Backed by decades of industry experience and a commitment to quality assurance, SSM is your reliable partner for Monel 400 solutions, offering both off-the-shelf products and fully customized components to support your most critical projects.

Hot Sales of Monel Products

Monel 400 Rod

Standards: ASTM B164 / ASME SB-164
Size Range: Diameter Ø 6 mm – Ø 300 mm (custom sizes available)
Length: 1000 mm, 2000 mm, 3000 mm, 6000 mm, or per request
Tolerances: h9, h10, h11, or based on customer drawings

Monel 400 Plate

Standards: ASTM B127 / ASME SB127
Thickness Range: 0.5 mm – 50 mm (custom sizes available)
Width: Up to 1500 mm or as required
Length: Standard lengths such as 2000 mm, 2500 mm, 3000 mm or custom cut
Finish: Hot rolled, cold rolled, pickled, polished

Monel 400 Flanges

Standards: ASTM B564, ASME SB-564
Types Available: Weld Neck Flanges/Slip-On Flanges/Socket Weld Flanges/Blind Flanges/Threaded Flanges
Sizes: From 1/2″ up to 48″ (custom sizes available)
Pressure Ratings: ANSI Class 150, 300, 600, 900, 1500, 2500

Monel 400 Pipe Fittings

Standards: ASTM B366, ASME SB-366
Types Available: Elbows (45°, 90°, 180°)/Tees (Equal and Reducing)/Reducers (Concentric and Eccentric)/Caps/Couplings
Sizes: From 1/2″ up to 48″ (custom sizes available)
Pressure Ratings: ANSI Class 150, 300, 600, and higher

Monel 400 Springs

Standards: ASTM B164
Types: Compression, extension, torsion, and custom spring designs
Sizes: Customizable to client requirements

Monel 400 Fasteners

Standards: ASTM B462, ASTM B564
Types Available: Bolts, nuts, screws, washers, studs, rivets, threaded inserts, and custom fasteners
Sizes: From small diameters to large custom dimensions

Monel 400 Bolts

Standards: ASTM B462, ASTM B564
Types: Hex bolts, stud bolts, eye bolts, and custom designs
Sizes: Available in various diameters and lengths to suit customer needs

Monel 400 Rivet Nuts

Standards: Manufactured to meet ASTM B462/B564 and industry requirements
Types: Standard and custom sizes available
Applications: Ideal for fastening in thin materials where welds or tapped holes are not feasible

Monel 400 Flat Washers

Standards: Manufactured in accordance with ASTM B462/B564 and customer specifications
Sizes: Available in a wide range of diameters and thicknesses to fit various bolt sizes

Monel 400 Applications

Marine engineering – pump shafts, seawater valves, propeller shafts
Chemical & petrochemical processing – heat exchangers, reactors, piping
Oil & gas – downhole equipment, valves, fittings
Aerospace – fuel and hydraulic lines
Power generation – boiler feedwater heaters, condenser tubes
Medical & nuclear – instrumentation and specialty equipment

One-Stop Monel 400 Provider for All Your Needs

SSM has significant product advantages in manufacturing Monel 400 Products. Whether it’s quality or price, we will meet your needs.

Related Monel 400 Infomation

Monel 400 Equivalent

Standard	UNS	Werkstoff Nr.	EN	BS (British)	AFNOR (France)	JIS (Japan)	ASTM
Equivalent Grade	N04400	2.4360 / 2.4361	NiCu30Fe	NA 13	NU-30M	NW 4400	B127 (Plate/Sheet), B164 (Bar/Rod), B165 (Pipe/Tube), B366 (Fittings)

Material Composition (Typical) – Monel 400

Element	Nickel (Ni)	Copper (Cu)	Iron (Fe)	Manganese	Silicon	Carbon	Sulfur
Content	≥ 63.0%	28.0 – 34.0%	≤ 2.5%	≤ 2.0%	≤ 0.5%	≤ 0.3%	≤ 0.024%

Monel 400 Mechanical Properties (Annealed) & Physical Properties

Property	Tensile Strength	Yield Strength (0.2%)	Elongation	Hardness (Rockwell B)	Density
Value	≥ 485 MPa (70 ksi)	≥ 170 MPa (25 ksi)	≥ 35%	≤ 75 HRB	8.80 g/cm³

Property	Melting Range	Specific Heat (20°C)	Electrical Resistivity	Thermal Conductivity	Modulus of Elasticity	Magnetic Properties
Value	1300–1350 °C (2370–2460 °F)	427 J/kg·K	5.47 μΩ·m	21.8 W/m·K	179 GPa	Slightly magnetic when cold worked

Benefits of Monel 400

✅ Advantages:

Excellent corrosion resistance in seawater, hydrofluoric acid, and alkalis
High strength and toughness over a wide temperature range
Good weldability and formability
Non-magnetic even at sub-zero temperatures
Long service life in aggressive environments

⚠️ Disadvantages:

Higher cost compared to common stainless steels
Difficult to machine due to work hardening behavior
Not suitable for strong oxidizing environments like nitric acid
Limited availability of certain product forms in some markets

FAQ

Inconel 625 vs Monel 400

Inconel 625 and Monel 400 are both nickel-based alloys, but they differ significantly in composition and performance: Inconel 625 contains high amounts of nickel, chromium, and molybdenum, giving it exceptional strength, oxidation resistance, and corrosion resistance at high temperatures, making it ideal for aerospace and chemical processing. In contrast, Monel 400 is primarily a nickel-copper alloy, offering excellent resistance to seawater and acids, with good mechanical properties at subzero temperatures, making it suitable for marine and chemical environments.

Monel 400 vs Monel K500

Monel 400 and Monel K-500 are both nickel-copper alloys with excellent corrosion resistance, especially in marine and chemical environments. Monel K-500, however, contains additional aluminum and titanium, allowing it to be precipitation-hardened for much greater strength and hardness compared to Monel 400. While Monel 400 is ideal for general corrosion-resistant applications like piping and heat exchangers, Monel K-500 is better suited for high-stress uses such as pump shafts and fasteners.

Monel 400 vs Hastelloy c276

Monel 400 and Hastelloy C276 are both corrosion-resistant nickel alloys, but they serve different purposes. Monel 400 is a nickel-copper alloy known for its excellent resistance to seawater, acids, and alkalis, making it ideal for marine and chemical applications. In contrast, Hastelloy C276 is a nickel-molybdenum-chromium alloy with superior resistance to a wide range of aggressive chemicals, including strong oxidizers and reducing agents. While Monel 400 is preferred for moderate corrosion environments, Hastelloy C276 is the better choice for highly corrosive and high-temperature applications.