English
русский
Español
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 MORE1CR21AL4 Large Diameter Iron Chromium Aluminum Alloy Wholesale
Home / Products / Iron Chromium Aluminum Alloy / 1CR21AL4 Large Diameter Iron Chromium Aluminum Alloy
1CR21AL4 Large Diameter Iron Chromium Aluminum Alloy
The 1CR21AL4 large-diameter iron-chromium-aluminum alloy has a chromium content ranging from 17.0% to 21.0%. In a high-chromium environment, the oxide film formed on the alloy surface is not only of moderate thickness but also possesses extremely high resistivity. This film exhibits a very low ion migration rate at the maximum continuous operating temperature of 1100°C, effectively inhibiting further oxidative degradation of the metal substrate. The processing challenge for large-diameter materials lies in the internal stress during bending. 1Cr21Al4 maintains an elongation rate of over 12%, allowing engineers to process heavy-gauge wires into U-shaped, corrugated, or helical large-diameter coils without frequent intermediate annealing.
- Specification
- Contact Us
| Grade | 1Cr13Al4 | 10Cr21Al4 | 0Cr21Al6 | 0Cr23Al5 | 0Cr25Al5 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
| Main chemical composition (%) | Cr | 12.0–15.0 | 17.0–21.0 | 19.0–22.0 | 20.5–23.5 | 23.0–26.0 | 21.0–23.0 | 26.5–27.8 |
| Al | 4.0–6.0 | 2.0–4.0 | 5.0–7.0 | 4.2–5.3 | 4.5–6.5 | 5.0–7.0 | 6.0–7.0 | |
| Fe | Bal | Bal | Bal | Bal | Bal | Bal | Bal | |
| Re | Opportune | Opportune | Opportune | Opportune | Opportune | Opportune | Opportune | |
| Mn | ≤0.7 | ≤0.7 | ≤0.7 | ≤0.7 | ≤0.7 | ≤0.7 | ≤0.2 | |
| Nb0.5 | Mo:1.8–2.2 | |||||||
| Max continuous service temp. of element (℃) | 950 | 1100 | 1300 | 1250 | 1300 | 1350 | 1400 | |
| Melting point (℃) | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
| Density (g/cm³) | 7.4 | 7.35 | 7.16 | 7.25 | 7.1 | 7.1 | 7.1 | |
| Resistivity (μΩ·m at 20℃) | 1.25±0.08 | 1.23±0.06 | 1.42±0.07 | 1.35±0.06 | 1.45±0.07 | 1.45±0.07 | 1.53±0.07 | |
| Tensile strength (Mpa) | 588–735 | 637–784 | 637–784 | 637–784 | 637–784 | 637–784 | 686–784 | |
| Elongation (%) | >16 | >12 | >12 | >12 | >12 | >12 | >10 | |
| Bending frequency | >5 | >5 | >5 | >5 | >5 | >5 | >5 | |
| Accelerated life test (h/℃) | - | ≥80/1250 | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥50/1350 | ≥50/1350 | |
| Specific heat (J/g·℃) | 0.49 | 0.49 | 0.52 | 0.46 | 0.494 | 0.494 | 0.494 | |
| Thermal conductivity (k J/m·h·℃) | 52.7 | 46.9 | 63.2 | 60.1 | 46.1 | 46.1 | 45.2 | |
| Coefficient of linear expansion (20–1000℃, ×10⁻⁶/℃) | 15.4 | 13.5 | 14.7 | 15 | 16 | 16 | 16 | |
| Hardness (HB) | 200–260 | 200–260 | 200–260 | 200–260 | 200–260 | 200–260 | 200–260 | |
| Micro structure | Ferrite F | Ferrite F | Ferrite F | Ferrite F | Ferrite F | Ferrite F | Ferrite F | |
| Magnetic | Yes | Yes | Yes | Yes | Yes | Yes | Yes | |
About Us
Danyang Haiwei Electrothermal Alloy Co., Ltd.
Danyang Haiwei Electrothermal Alloy Co., Ltd. is located in Lvcheng Town, Danyang City, Jiangsu Province, China. The company was established in 2010 based on the original company "Danyang Huakang Electric Heating Alloy Co., Ltd." and has been in operation for over 40 years. Since its expansion, the company's total area has reached 30,000 square meters. As a famous China 1CR21AL4 Large Diameter Iron Chromium Aluminum Alloy Manufacturers and 1CR21AL4 Large Diameter Iron Chromium Aluminum Alloy Factory, the company has production lines for a series of products including FeCrAl, Kanthal, CuNi, NiCr, CuMn, Kangtong, Monel, Incoloy, Hastelloy, etc. We have equipped with advanced equipment and processes, capable of providing a complete product range from raw material melting, steel rolling, stretching, heat treatment to finished products and packaging. Standardization work and strict inspections run through every stage of the product. As Haiven people, we have always adhered to the goal of "building a first-class brand and a first-class enterprise". We uphold the spirit of "quality first, reputation foremost", providing customers with the highest quality products and competitive prices. Welcome new and old customers at home and abroad to visit and patronize. Let us achieve long-term win-win cooperation.
News
-
-
The gauge and insulation material of thermocouple wire directly determine its response speed, temperature range, accuracy, mechanical durability, and service life. Thinner wire re...
READ MORE -
To 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 MORE -
What Are the Key Differences Between Iron Chromium Aluminum Alloy Grades Such as FeCrAl and Kanthal?
The 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 MORE -
How Do You Select the Right Copper-Nickel Grade for Shipbuilding, HVAC, and Industrial Pipe Systems?
Selecting 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
Copyright © Danyang Haiwei Electrothermal Alloy Co., Ltd. All Rights Reserved
Wholesale 1CR21AL4 Large Diameter Iron Chromium Aluminum Alloy Factory