Monel 400 Copper Nickel Alloy Sheet
Based on our purchasing experience, Monel 400 copper-nickel alloy sheets are the kind of practical metal that's durable and resilient. While not the most flashy in terms of performance, their reliability and cost-effectiveness are unmatched in specific applications.
Alloy 400 is a solid-solution alloy that can be hardened only by cold working. It has high strength and toughness over a wide temperature rangeand excellent resistance to many corrosive environments.
Chemicals and maritime industries use it widely, as well as oil refineries all over the world. The oil and gas industry previously relied on what are commonly regarded as inexpensive corrosion-resistant metals. As technology has advanced in recent decades, this industry has embraced more sophisticated materials to reduce equipment breakdowns. This industry searched for materials like Alloy 400 Sheets seeking better reliability in challenging environments due to corrosion, pressure, and extreme temperature effects that cause downtime.
We keep a selection of common sizes of Monel 400 sheet in stock. If you have high requirements for the delivery time of the plates, you can confirm with us.
Specification
|
Dimensions |
EN, DIN, JIS, ASTM, BS, ASME, AISI |
|
Width |
1000 MM TO 2500 MM |
|
Thick |
0.5 MM TO 200 MM |
|
Length |
100MM TO 600MM |
|
Form |
Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) |
|
Finish |
Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
|
Hardness |
Soft, Hard, Half Hard, Quarter Hard, Spring Hard, etc. |
Chemical Composition
|
Element |
Content (%) |
|
S |
≤0.024% |
|
C |
≤0.30% |
|
Cu |
28.0%~34.0% |
|
Ni |
≥63.0% |
|
Si |
≤0.50% |
|
Mn |
≤2.00% |
|
Fe |
≤2.5% |
Mechanical Properties
|
Condition & Size |
Tensile Strength |
Yield Strength |
Elongation |
Reduction of Area |
Hardness |
|
MPa, min |
MPa, min |
%, min |
%, min |
Rockwell B |
|
|
Annealed |
485 to 585 |
195 |
35 |
... |
... |
|
Quarter-hard |
... |
... |
... |
... |
73 to 83 |
|
Half-hard |
... |
... |
... |
... |
82 to 90 |
|
Hard |
690 |
620 |
2 |
... |
... |
Practical Guide to Market Procurement
When purchasing Monel 400 nickel alloy sheet, "reliability" always comes before "price." A single defective sheet can cause corrosion and failure of the entire equipment, resulting in downtime and safety losses far exceeding the material cost. Investing in finding the right supplier and ensuring proper inspection is the wisest investment. The following points are common concerns of our clients who purchase Monel 400 copper-nickel alloy sheets, and we hope they can help you quickly select the right supplier and advance your procurement plan:
1. Supplier Screening:
Priority: Manufacturers with vacuum induction furnace (VIM) melting capabilities or traders with (ISO, CE, AS9100, etc. certifications) clearly stating the material's origin (domestic/imported) and a traceable supply chain, and who can provide original manufacturer's warranty certificates (relevant certifications can be viewed in Lork Alloy - About US).
2. Price and Business Considerations:
Price Linkage: The price of Alloy 400 is strongly correlated with LME nickel and copper prices, and quoted prices are mostly "floating prices." Pay attention to nickel price and rare metal processing trends, and conduct bulk purchase negotiations when prices are relatively low. Cost Breakdown: Besides the base price, clarify whether it includes cutting fees, length-specific fees, and special packaging fees.
3. Procurement Strategy:
We often advise clients with long-term, stable needs to consider signing annual framework agreements with reliable suppliers. For small, urgent orders, a budget should be allocated for "small order fees" and rush fees.
4. Communication and Negotiation Techniques (Key Points):
When inquiring about prices, clearly state: "Please quote the price for Monel 400 sheet metal, ASTM B127 UNS N04400 annealed condition, thickness X mm, dimensions X*X mm, with a 3.1 type MTC sample and delivery date attached."
During negotiations, emphasise: "We have very strict requirements for C and S content and material traceability; delivery must be accompanied by PMI testing."
5. Risk Warning:
Maximum Risk: Using cheap, ordinary white copper (such as BFe10-1-1) or 304 stainless steel to impersonate [the product]. The two look similar, but their performance is vastly different.

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