TSM Technology is a globally recognized manufacturer and supplier of premium Monel 401 Sheets, delivering exceptional nickel-copper alloy solutions to clients across more than 50 countries. With 3 advanced factories featuring 8 production lines and 100+ machines, we ensure complete in-house production control from melting to precision finishing. Our Monel 401 sheets provide outstanding resistance to seawater, acids, and alkaline environments, making them ideal for marine engineering and chemical processing applications. Manufactured to international standards including ASTM/ASME/EN and certified under ISO quality management systems, we guarantee material excellence and reliable performance in the most demanding corrosive conditions.
The product is a nickel-copper alloy known for its outstanding corrosion resistance and mechanical properties. It combines the quality of nickel with the toughness of copper, coming about in a flexible fabric suitable for different mechanical applications.

| Property | Value |
|---|---|
| Thickness | 0.5-50mm |
| Width | 1000-2000mm |
| Finish | Hot-rolled, Cold-rolled, Annealed |
| Custom Services | Non-standard sizes, special tolerances (±0.05mm) |
| Property | Value |
|---|---|
| Density | 8.8 g/cm³ |
| Melting Point | 1300-1350°C |
| Electrical Resistivity | 0.547 μΩ·m at 20°C |
| Thermal Conductivity | 21.8 W/(m·K) at 20°C |
| Tensile Strength (Annealed) | 760 MPa (110 ksi) min |
| Yield Strength (Annealed) | 345 MPa (50 ksi) min |
| Elongation (Annealed) | 45% min |
| Hardness (Annealed) | 75 HRB max |
Chemical Composition
Monel 401 primarily consists of nickel and copper with small amounts of other elements. Below is the typical chemical composition:
| Element | Nickel (Ni) | Copper (Cu) | Iron (Fe) | Manganese (Mn) | Carbon (C) | Silicon (Si) | Sulfur (S) |
| Composition (%) | 43.0 – 47.0 | 52.0 – 56.0 | 1.5 max | 1.0 max | 0.15 max | 0.5 max | 0.024 max |
Production Standards and Corresponding Grades
| Country | Standard | Corresponding Grade |
|---|---|---|
| United States | ASTM B127, ASTM B164 | UNS N04401 |
| Germany | DIN 17750, DIN 17751 | 2.4361 |
| France | AFNOR NFM 87-310 | – |
| United Kingdom | BS 3072, BS 3073 | NA11 |
| Japan | JIS NW 4401 | – |
| China | GB/T 12771, GB/T 12770 | – |
Monel 401 Tube finds applications in various industries requiring corrosion resistance and high strength:

Marine
Shipbuilding, seawater piping

Oil and gas
Offshore platforms, subsea equipment

Aerospace
Aircraft components, fuel tanks
At TSM Technology, we employ advanced manufacturing techniques to ensure the highest quality product:
| Process | Details |
|---|---|
| Welding | Welds with matching composition filler metals |
| Machining | Requires sharp tools and proper cooling |
| Polishing | Achieves a good surface finish with mechanical methods |
| Heat Treatment | Annealing at 870°C (1600°F) followed by water quenching |
| Cold Working | Can be cold worked to various degrees for shaping |

At TSM Technology, we implement rigorous quality control measures throughout our production process, including composition analysis using spectrometry, mechanical property testing (tensile strength, yield strength, elongation), non-destructive testing (ultrasonic and eddy current), surface quality inspection, and dimensional accuracy verification. Following comprehensive testing, we provide custom protective packaging tailored to each product's requirements and offer flexible global shipping options, including express delivery for urgent orders, ensuring secure transit and timely delivery to customers worldwide.


Q: What is the minimum order quantity for the product?
A: Our MOQ is typically 100kg, but we can accommodate smaller orders for sample testing.
Q: Can you provide material certificates?
A: Yes, we provide MTC and SGS test reports with every order.
Q: What is the lead time for the product orders?
A: Standard lead time is 2-4 weeks, depending on specifications and quantity.
Q: Do you offer custom sizes and finishes?
A: Absolutely! We specialize in customizing products to your exact requirements.
Q: How does Monel 401 compare to other corrosion-resistant alloys?
A: Monel 401 offers superior resistance to seawater and reducing acids compared to many stainless steels, making it ideal for marine and chemical applications.
Ready to elevate your projects with premium Monel 401 Sheet? Contact TSM Technology today for expert advice and competitive quotes:Email: info@tsmnialloy.com
Trust TSM Technology for all your high-performance alloy needs. Let's build a stronger future together with the product!
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