ASTM B127 Monel 450 Plate
Monel 450 is a modified nickel-copper alloy developed for enhanced weldability and fabrication characteristics while maintaining the excellent corrosion resistance of the Monel alloy family. This alloy is particularly suitable for welded constructions in marine and chemical processing applications where conventional Monel 400 might present welding challenges.
Product Parameters
Product NameASTM B127 Monel 450 Plate
Thickness0.5mm – 10mm
Width1000–2000mm
LengthCustomized
Chemical Composition

(Ni)(Cu)(Fe)(Mn)(Si)(C)(S)(Al)(Ti)
Monel 400
(UNS N04400)
63% min28–34%≤2.5%≤2.0%≤0.5%≤0.3%≤0.024%--
Monel 401
(UNS N04401)
43–46%53–55%≤0.5%≤0.25%≤0.25%≤0.15%≤0.01%--
Monel 404
(UNS N04404)
52–57%44–46%≤0.5%≤0.1%≤0.1%≤0.15%≤0.01%-
Monel 450
(UNS N04450)
63% min28–34%≤2.5%≤1.5%≤0.5%≤0.25%≤0.025%-
Monel K-500
(UNS N05500)
63% min27–33%≤2.0%≤1.5%≤0.5%≤0.25%≤0.01%2.3–3.15%
(Time-limited enhancement)
0.35–0.85%
(Time-limited enhancement)
Monel R-405
(UNS N04405)
63% min28–34%≤2.5%≤2.0%≤0.5%≤0.3%0.025–0.06% (Easy to cut)--
Physical Properties
PropertyValue
Density8.80 g/cm³
Melting Range1300-1350°C
Electrical Resistivity51 μΩ·cm
Thermal Conductivity21.8 W/m·K
Magnetic Permeability≤1.002
Coefficient of Thermal Expansion13.9 μm/m·°C (20-100°C)
Manufacturing Process
Material Preparation:
High-purity nickel and copper feedstock
Controlled addition of alloying elements
Primary Processing:
Electric arc or induction melting
Continuous casting into slabs or billets
Hot Working:
Forging at 950-1200°C (1740-2190°F)
Hot rolling to intermediate sizes
Cold Working:
Cold rolling/drawing with intermediate anneals
Final solution annealing at 870-980°C (1600-1800°F)
Special Treatments:
Pickling in HNO3-HF solution
Passivation for critical applications
Quality Assurance:
Full traceability from melt to final product
Ultrasonic testing for plates
Eddy current testing for tubes
Applications
Marine Engineering:
Welded seawater piping systems
Hull penetrations and fittings
Desalination plant components
Chemical Processing:
Welded reactors and vessels
Heat exchanger shells
Acid storage tanks
Oil & Gas:
Subsea equipment components
Process piping systems
Flange connections
Applications
Pressure vessels requiring code compliance
Large welded structures in corrosive environments
Components needing post-weld heat treatment
Key Advantages
Superior Weldability compared to standard Monel 400
Maintained Corrosion Resistance in seawater and acids
Better Formability for complex fabrications
Code Compliance for ASME pressure vessel applications
Reduced Hot Cracking tendency during welding


Product Display

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Product Application

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Product Packaging

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Factory Display
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FAQ

Q:Can I get samples before order ?

A:Yes, of course. Usually our samples are free,we can produce by your samples or technical drawings.

Q:Can I go to your factory to visit?

A:Of course, we welcome customers from all over the world to visit our factory.

Q:How can I get a quotation from you ?

A:You can leave us message, and we will reply every message in time. Or we may talk on line.

Q:What product information do I need to provide?

A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.

Q:Does the product have quality inspection before loading?

A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we accept the third party inspection absolutely.

Q:What are the advantages of your company?

A:(1)More Than 30 year's Experience

(2)The company is a modern steel enterprise group integrating precision manufacturing, spot warehousing, international logistics, and product deep processing.

(3)World-class production equipment, product quality that meets international certifications, and timely and thoughtful after-sales service

(4)Never stop product research and development and innovation to create high-quality products that meet the global standards.

(5)Integrity business philosophy, the highest quality products, the most reasonable prices, and a global marketing network.

Q:How do we trust your company?

A:We specialise in steel business for years as golden supplier on Alibaba, headquarter locates in liaocheng, Shandong province, you are welcome to investigate in any ways, by all means, you could place an order in Alibaba with trade assurance which could secure your payment.

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