When a major chemical processing plant faced repeated failures of stainless steel heating elements in their sulfuric acid recovery furnace at 950°C, production losses mounted to $750K monthly from unplanned shutdowns. The solution was NiCr 30:20 Sheets – a nickel-chromium resistance alloy that slashed oxidation rates by 78%, maintained element geometry through 18-month continuous service, and restored 98% furnace availability, proving far superior to stainless alternatives across chemical, oil & gas, marine, pharma, and power applications.
Table of Contents
Tailored for procurement heads, engineers, fabricators, OEM manufacturers, and hardware/industrial supply stores, NiCr 30:20 outperforms stainless steels and basic FeCr alloys through optimized nickel-chromium balance delivering stable electrical resistivity (1.04 µΩ·cm), reliable oxidation resistance up to 1050°C, and excellent formability for complex heating element geometries. Unlike Nimonic 75 designed for high-stress turbine applications, NiCr 30:20 targets cost-effective resistance heating where lifecycle stability trumps peak mechanical strength.
Aurico Alloys LLP serves as your premier NiCr 30:20 Sheets supplier, stockist, and exporter in India to abroad, providing affordable ASTM B344-family certified material with NiCr 30:20 ready stock India, competitive NiCr 30:20 sheet price, and precision NiCr 30:20 sheet cut to size services for chemical furnaces, oil & gas heaters, marine incinerators, pharma ovens, power plant boilers, and hardware store inventories.
High-quality NiCr 30:20 Sheets ready for industrial use.
Specification Overview
| Supplier | Aurico Alloys LLP – NiCr 30:20 sheets supplier, stockist, exporter India |
|---|---|
| Grade | NiCr 30:20 (30Ni-20Cr resistance heating alloy) |
| Standards | ASTM B344 (NiCr resistance alloys), related resistance heating specifications |
| Sheet Thickness | 0.1-5.0mm (NiCr 30:20 sheet cut to size) |
| Max Element Temp | 1050°C continuous air service |
| Finish | Bright annealed strip/sheet |
Equivalent Grades & Standards
| Property | Value |
|---|---|
| UNS number | — |
| Werkstoff / EN number | 1.4860 |
| Density | 7.90 g/cm3 |
Identifiers and physical constants for Nichrome 30/20. A dash means no such designation is published for this grade.
Stock & Product Availability
Aurico Alloys LLP offers competitive NiCr 30:20 sheet price per kg with extensive NiCr 30:20 ready stock India for furnace element fabricators and OEMs.
Chemical Composition
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 28.0 | — |
| 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 30/20. 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 | Value |
|---|---|
| Resistivity @20°C | 1.04 ±0.05 μΩ·cm |
| Tensile Strength | 650-850 MPa |
| Elongation | ≥25% |
| Melting Point | 1390°C |
| Max Continuous Temp | 1050°C |
| Oxidation Rate 1000°C | <0.5 mg/cm²/24h |
Applications & Superiority vs Stainless
- Chemical: Acid recovery furnace elements, drying ovens – 78% less scaling vs 310SS
- Oil & Gas: Process heaters, asphalt tank strip heaters to 1000°C
- Marine: Incinerator heating grids resisting salt & sulfur
- Pharma: Sterilization ovens with stable temperature uniformity
- Power: Auxiliary boiler elements, biomass dryer heaters
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 30:20 sheets from Aurico Alloys LLP deliver ASTM B344-family certified performance with unmatched 1050°C oxidation stability, electrical resistivity control, and economic advantages over stainless steels for your furnace elements, process heaters, and industrial ovens. Are your medium-temperature heating systems optimized with NiCr 30:20's proven superiority over basic stainless alternatives?