In a high-volume pharma sterilization tunnel near Mumbai, overheating from failing resistors disrupted batches, costing lakhs until NiCr 40:20 Plates stabilized operations with 30% lower replacement frequency due to carburization resistance in semi-reducing atmospheres. Engineers and procurement in chemical, oil & gas, marine, pharma, power favor NiCr 40:20 over costlier NiCr 60:15 for reliable 1050°C service at 25% savings. Hardware stores and OEMs trust its economy for night-storage heaters and de-icing.
Table of Contents:
NiCr 40:20, a nickel-chromium-iron alloy (37-40% Ni, 18-22% Cr, balance Fe), excels in high-resistivity applications up to 1050°C with 1.05 µΩ-cm resistivity and low temp coefficient, ideal for industrial heating accumulators and heavy-duty rheostats. Compared to NiCr 60:15's higher nickel for 1150°C, NiCr 40:20 cuts costs via more iron while resisting oxidation/carburization in furnaces, extending life 20% in semi-reducing conditions. Non-magnetic with good ductility, it suits fabrication for convection units and motor controls.
Tailored for ASTM B344 plates in power plant load banks, baseboard heating, and chemical waste incineration exhausts, NiCr 40:20 resists corrosion in petrochemical heat treatment baskets and pharma tunnels. Marine grade variants support offshore trace heating and oil refinery bitumen coils, with custom cuts for lab furnace panels. Verified exporters provide MTC EN 10204 3.1 for global compliance.
Aurico Alloys LLP, premier supplier, manufacturer, and stockist of affordable, best quality, authentic NiCr 40:20 Plates, empowers chemical, oil & gas, marine, pharma, power industries, and hardware stores via competitive NiCr 40:20 plate price per kg in Mumbai emphasizing superior value over common alloys in mid-temp roles.
High-quality NiCr 40:20 Plates ready for industrial use.
Specification Overview
| Supplier & Manufacturer | Aurico Alloys LLP |
|---|---|
| Grade | NiCr 40:20 |
| Standards | ASTM B344, DIN 17470 |
| Thickness Range | 0.5mm – 30mm |
| Width | 1000mm – 2000mm |
| Finish | Hot rolled, annealed, oxidized, custom |
| Delivery | Stock, MTC EN 10204 3.1, export pack |
Equivalent Grades & Standards
| Property | Value |
|---|---|
| UNS number | — |
| Werkstoff / EN number | — |
| Density | 7.95 g/cm3 |
Identifiers and physical constants for Nichrome 40/20. A dash means no such designation is published for this grade.
Stock & Product Availability
Alloy 40/20 plate stockist in Mumbai offers economical Alloy 40/20 plates for night-storage heaters, convection units, and heavy-duty rheostats from Aurico Alloys LLP.
Chemical Composition
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 37.0 | — |
| Manganese (Mn) | — | 1.0 |
| Iron (Fe) | — | Balance |
| Silicon (Si) | 1.8 | 3.0 |
| Chromium (Cr) | 18 | 22 |
| Carbon (C) | — | 0.10 |
| Aluminium (Al) | — | 0.30 |
| Copper (Cu) | — | 0.50 |
Composition limits for Nichrome 40/20. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Mechanical & Physical Properties
| Property | Typical Value |
|---|---|
| Resistivity (µΩ-cm) | 1.05 |
| Max Service Temp (°C) | 1050 |
| Tensile Strength (N/mm²) | 700-850 |
| Elongation (%) | 25-35 |
| Melting Point (°C) | 1380-1390 |
Applications & Benefits
- Carburization resistant NiCr 40:20 plates for semi-reducing furnace atmospheres.
- High-resistivity NiCr 40:20 plates for power plant load banks and de-icing.
- NiCr 40:20 plate exporters in Mumbai for pharma sterilization tunnels.
- Marine grade NiCr 40:20 plates for offshore trace heating and subsea pipelines.
- NiCr 40:20 plate stockholders in Maharashtra for oil refinery bitumen coils.
- NiCr 40:20 vs NiCr 60:15: Lower cost for 1050°C, 25% savings in iron-rich design.
FAQ & Search Trends
Global Export Destinations
We ship worldwide from Mumbai. See every destination we export to on our export markets page.
Domestic Supply Network
We deliver across India from our Mumbai stockyard. See every city we supply on our supply locations page.
Conclusion
NiCr 40:20 Plates from Aurico Alloys LLP offer proven economy, resistivity, and carburization resistance up to 1050°C, optimizing chemical, oil & gas, marine, pharma, power operations over pricier options. Is your mid-temp heating upgraded with cost-effective NiCr 40:20?