The Bottom Line: Which Should You Choose? Choose Monel when your environment involves seawater, hydrofluoric acid, or highly reducing conditions. Choose stainless steel when oxid...
READ MORE
NS111 30% Ni Corrosion-Resistant Alloy is a high-performance corrosion-resistant alloy developed for demanding industrial corrosive environments. Designed for long-term stable service, resistance to multiple types of corrosion failure, and excellent engineering manufacturability, this product is widely used in petrochemicals, energy, marine engineering, chemical processing, hydrometallurgy, and high-corrosive fluid transportation systems. In chloride-containing aqueous solutions, acidic media, some organic acids, sulfide environments, and high-humidity salt spray atmospheres, NS111 maintains a stable surface protection state, significantly inhibiting the development of localized corrosion. In environments where tensile stress and corrosive media are present simultaneously, many materials are prone to brittle cracking. NS111 exhibits significant resistance to stress corrosion cracking in typical chloride ion, hydrogen sulfide, and humid marine atmospheric environments, making it suitable for pressure pipelines, heat exchanger tube bundles, reactor internal components, and fastening systems.
| Alloy No. | Cr | Ni | Fe | Mo | W | Cu | Al | Ti | Nb | Co | Si | Mn |
| NS111 | 19.0 - 23.0 | 30.0 - 35.0 | Bal | — | — | ≤0.75 | 0.15 - 0.60 | 0.15 - 0.60 | — | — | ≤1.00 | ≤1.50 |
| NS112 | 19.0 - 23.0 | 30.0 - 35.0 | Bal | — | — | ≤0.75 | 0.15 - 0.60 | 0.15 - 0.60 | — | — | ≤1.00 | ≤1.50 |
| NS113 | 24.0 - 26.5 | 34.0 - 37.0 | Bal | — | — | — | 0.15 - 0.45 | 0.15 - 0.60 | — | — | 0.30 - 0.70 | 0.50 - 1.50 |
| NS131 | 19.0 - 21.0 | 42.0 - 44.0 | Bal | 12.5 - 13.5 | — | — | — | — | — | — | ≤0.70 | ≤1.00 |
| NS141 | 25.0 - 27.0 | 34.0 - 37.0 | Bal | 2.0 - 3.0 | — | 3.0 - 4.0 | — | 0.40 - 0.90 | — | — | ≤0.70 | ≤1.00 |
| NS142 | 19.5 - 23.5 | 38.0 - 46.0 | Bal | 2.5 - 3.5 | — | 1.5 - 3.0 | ≤0.2 | 0.80 - 1.20 | — | — | ≤0.50 | ≤1.00 |
| NS143 | 19.0 - 21.0 | 32.0 - 38.0 | Bal | 2.0 - 3.0 | — | 3.0 - 4.0 | — | — | 8.00 - 1.00 | — | ≤1.00 | ≤2.00 |
| NS311 | 28.0 - 31.0 | Bal | ≤1.0 | — | — | — | ≤0.30 | — | — | — | ≤0.50 | ≤1.20 |
| NS312 | 14.0 - 17.0 | Bal | 6.0 - 10.0 | — | — | ≤0.50 | — | — | — | — | ≤0.50 | ≤1.00 |
| NS313 | 21.0 - 25.0 | Bal | 10.0 - 15.0 | — | — | ≤1.00 | 1.00 - 1.70 | — | — | — | ≤0.50 | ≤1.00 |
| NS314 | 35.0 - 38.0 | Bal | ≤1.0 | — | — | — | 0.20 - 0.50 | — | — | — | ≤0.50 | ≤1.00 |
| NS315 | 27.0 - 31.0 | Bal | 7.0 - 11.0 | — | — | ≤0.50 | — | — | — | — | ≤0.50 | ≤0.50 |
| NS321 | ≤1.00 | Bal | 4.0 - 6.0 | 28.0 - 30.0 | — | — | — | — | — | ≤2.5 | ≤1.00 | ≤1.00 |
| NS322 | ≤1.00 | Bal | ≤2.0 | 28.0 - 30.0 | — | — | — | — | — | ≤1.0 | ≤1.00 | ≤1.00 |
| NS331 | 14.0 - 17.0 | Bal | ≤8.0 | 2.0 - 3.0 | — | — | — | 0.40 - 0.90 | — | — | ≤0.70 | ≤1.00 |
| NS332 | 17.0 - 19.0 | Bal | ≤1.0 | 16.0 - 18.0 | — | — | — | — | — | — | ≤0.70 | ≤1.00 |
| NS333 | 14.5 - 16.5 | Bal | 4.0 - 7.0 | 15.0 - 17.0 | 3.0 - 4.5 | — | — | — | — | ≤2.5 | ≤1.00 | ≤1.00 |
| NS334 | 14.5 - 16.5 | Bal | 4.0 - 7.0 | 15.0 - 17.0 | 3.0 - 4.5 | — | — | — | — | ≤2.5 | ≤0.08 | ≤1.00 |
| NS335 | 14.0 - 16.0 | Bal | ≤3.0 | 14.0 - 17.0 | — | — | — | ≤0.70 | — | ≤2.0 | ≤0.08 | ≤1.00 |
| NS336 | 20.0 - 23.0 | Bal | ≤5.0 | 8.0 - 10.0 | — | — | ≤0.40 | ≤0.40 | 3.15 - 4.15 | ≤1.0 | ≤0.50 | ≤0.50 |
| NS337 | 19.0 - 21.0 | Bal | ≤5.0 | 15.0 - 17.0 | — | ≤0.10 | — | — | — | ≤0.10 | ≤0.40 | 0.50 - 1.50 |
| NS341 | 19.0 - 21.0 | Bal | ≤7.0 | 2.0 - 3.0 | — | 1.0 - 2.0 | — | 0.4 - 0.9 | — | — | ≤0.70 | ≤1.00 |
The Bottom Line: Which Should You Choose? Choose Monel when your environment involves seawater, hydrofluoric acid, or highly reducing conditions. Choose stainless steel when oxid...
READ MOREThe gauge and insulation material of thermocouple wire directly determine its response speed, temperature range, accuracy, mechanical durability, and service life. Thinner wire re...
READ MORETo properly install and connect thermocouple wire and avoid measurement errors, you must match the wire type to the application, maintain polarity, minimize extension wire length,...
READ MOREThe Direct Answer: Grade Differences Come Down to Composition, Temperature Ceiling, and Service Life Iron chromium aluminum alloy grades — including the widely used Kanthal family...
READ MORESelecting the Right Copper-Nickel Grade Requires Matching Alloy Composition to the Specific Corrosion Environment, Operating Pressure, Temperature, and Flow Conditions of Each App...
READ MORE