High Temperature Stainless Steel Wire
High-Temperature Performance: Maximum service temperature up to 1000°C, excellent oxidation and scaling resistance, especially in sulfur-containing atmospheres.
Heat-Resistant Steel 1.4828 (X15CrNiSi2012): Properties, Global Standards & Performance Comparison
Key Properties & Chemical Composition
1.4828 (DIN designation X15CrNiSi2012) is an austenitic heat-resistant steel with:
High-Temperature Performance
Maximum service temperature up to 1000°C, excellent oxidation and scaling resistance, especially in sulfur-containing atmospheres.
01
Mechanical Strength
Tensile strength 550-750 MPa, yield strength ≥230 MPa, elongation 28-30%, Brinell hardness ≤223 HB.
02
Corrosion Resistance
Resists oxidation, sulfidation, and chlorination, but limited to ≤650°C in reducing sulfur gases.
03
Manufacturability
Good forgeability and weldability for complex components.
04
Chemical Composition (wt.%)
C≤0.2, Si 1.5-2.5, Cr 19-21, Ni 11-13, N≤0.11, Mn≤2.0, P≤0.045, S≤0.015.
05
Applications
High-Temperature Equipment
Furnace linings, heaters, combustion chambers (≤1000°C).
Petrochemical
Refinery units, high-temperature pipelines, chemical reactors.
Heat Treatment
Fixtures for annealing furnaces, structural components.
Performance Comparison with Similar Alloys
|
Property |
1.4828 |
1.4878 (Austenitic) |
309 Stainless Steel |
|
Max Temp |
1000°C |
1100°C |
980°C |
|
Sulfur Resistance |
Moderate (≤650°C) |
Low |
High |
|
Strength |
High (550-750 MPa) |
Medium |
Medium-High (500-600) |
|
Cost |
Moderate |
High |
Low |
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International Grade Equivalents
|
Standard |
Grade |
|
China |
S30850 (22Cr21Ni12N) |
|
USA |
ASTM S63017, SAE SUH309 |
|
Germany |
DIN 1.4828 |
|
Japan |
JIS SUH37 |
|
Europe |
EN X15CrNiSi20-12 |
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