Stainless Steel 1.4826
EN 1.4826
A high-silicon, chromium-nickel cast austenitic stainless steel designed for elevated-temperature oxidation and scaling resistance up to ~1000°C, used where heat resistance rather than maximum corrosion resistance is the priority.
Reference datasheet — 1.4826 is not in the instant-quote catalog. Upload your part and an engineer will quote it in this grade or suggest the closest stocked equivalent.
Values for the AC condition
1.4826 tempers and conditions
1.4826 is supplied in 4 conditions, soft to hard. AC is the default FabDigit quotes; the values on this page are for it.
Compare all 4 conditionsHide
| Condition · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness | Conductivity |
|---|---|---|---|---|---|---|
Solution annealed ~1050–1100 °C, rapid cooled | Choose when maximum room-temperature ductility/toughness and a homogenised carbide distribution are needed before machining or welding. | 250 | 540 | 18 | 175 HB | 2 % IACS |
Stress relieved | Used on large or heavily welded castings to relieve residual stress before service; mechanicals stay close to as-cast. | 255 | 510 | 9 | 195 HB | 2 % IACS |
ACDefault Spheroidize annealed | Standard supply condition for furnace and burner hardware; used directly since the first heating cycle homogenises the structure anyway. | 260 | 520 | 10 | 190 HB | 2 % IACS |
Centrifugally cast | Pick for radiant tubes, rolls and rings where the denser, finer centrifugal structure gives higher strength and better soundness than static sand casting. | 275 | 560 | 13 | 195 HB | 2 % IACS |
What is 1.4826?
A high-silicon, chromium-nickel cast austenitic stainless steel designed for elevated-temperature oxidation and scaling resistance up to ~1000°C, used where heat resistance rather than maximum corrosion resistance is the priority. 1.4826 has a density of 7.7 g/cm³ (0.278 lb/in³), lighter than 83% of stainless steel grades. It melts at 1,370°C (2,498 °F). 1.4826 has a yield strength of 260 MPa (37.7 ksi) and a tensile strength of 520 MPa (75.4 ksi) — weaker than 84% of stainless steel grades. Elongation at break is 10% and the elastic modulus is 185 GPa (26.8 Msi).
What is 1.4826 used for?
- furnace fittings and grates
- kiln car parts
- heat treatment fixtures
- burner components
- exhaust and combustion equipment parts
Advantages
- High service temperature — 1,000°C (1,832 °F), better than 88% of stainless steel grades
Limitations
- Limited formability — 5/100, worse than 99% of stainless steel grades
- Limited ductility — 10%, worse than 98% of stainless steel grades
- Hard to polish — 45/100, worse than 96% of stainless steel grades
- Low fracture toughness — 55 MPa·√m (50.1 ksi·√in), worse than 91% of stainless steel grades
- Difficult to machine — 25/100, worse than 88% of stainless steel grades
1.4826 properties
Typical room-temperature values for 1.4826-AC; bars are the position among stainless steel grades.
Physical3
1.4826 has a density of 7.7 g/cm³ (0.278 lb/in³), lighter than 83% of stainless steel grades. It melts at 1,370°C (2,498 °F).
Mechanical16
1.4826 has a yield strength of 260 MPa (37.7 ksi) and a tensile strength of 520 MPa (75.4 ksi) — weaker than 84% of stainless steel grades. Elongation at break is 10% and the elastic modulus is 185 GPa (26.8 Msi).
Thermal6
1.4826 is rated for continuous service to 1,000°C (1,832 °F). It conducts heat at 14.5 W/m·K (8.38 BTU/hr·ft·°F), worse than 72% of stainless steel grades. Thermal expansion is 16 µm/m·K (8.89 µin/in·°F).
Electrical3
1.4826 conducts electricity at 2 % IACS, worse than 77% of stainless steel grades.
Chemical & Environmental3
Corrosion resistance is good (55/100), worse than 71% of stainless steel grades.
Sustainability4
Producing a kilogram of 1.4826 takes about 50 MJ of energy and emits 4.3 kg of CO₂ — less than 80% of stainless steel grades. Typical recycled content is 80%.
Manufacturability8
1.4826's machinability is poor (25/100, worse than 88% of stainless steel grades); weldability fair (35/100); formability not recommended (5/100).
Common Calculations5
Values are nominal handbook figures for design screening. Certified mill or lot data ships with every FabDigit order on request.
Strength versus weight in the stainless steel family
Yield strength against density for every stainless steel grade FabDigit runs. 1.4826 is highlighted; hover a dot for its name, or open the interactive family chart.
Working with 1.4826
Is 1.4826 easy to machine?
Machine with rigid setups, sharp carbide inserts, low speed and heavy positive feed to cut under the work-hardened skin; expect roughly a quarter of free-machining steel productivity and heavy abrasion from primary carbides.
Can 1.4826 be welded?
Weldable by SMAW/GTAW with 25Cr-12Ni (E309/ER309) or matching filler; preheat ~200 °C, keep interpass moderate, avoid restrained joints and follow with stress relief on heavy sections.
Can 1.4826 be formed, bent or molded?
Supplied only as sand, investment or centrifugal castings — no cold forming; design generous radii and uniform sections to avoid hot tearing and shrinkage porosity.
1.4826 chemical composition (wt %)
Limits by weight percent from the governing specification, written the way the spec states them — a single maximum for impurities, a range for alloying elements, and the base element as balance. Nominal is the typical mid-range value.
| Element | Spec limit (wt %) | Nominal |
|---|---|---|
| Chigh C for creep strength; causes sensitisation | 0.3 – 0.5 | 0.4 |
| Sikey for scaling resistance | 1 – 2.5 | 1.8 |
| Mn | ≤ 2 | 1 |
| P | ≤ 0.04 | |
| S | ≤ 0.03 | |
| Cr | 21 – 23 | 22 |
| Ni | 9 – 11 | 10 |
| Moresidual, not intentionally added | ≤ 0.5 | |
| Fe | balance |
What surface finishes work on 1.4826?
Normally shot-blasted and left as-cast; grinding of gates and light machining are usual, plating/painting is pointless at service temperature since a protective Cr-Si oxide scale forms in the first heating cycle.
Surface treatments FabDigit runs on stainless steel parts — pick them in the quote configurator or call them out on the drawing. Each links to its datasheet in the surface-finish library (thickness, specs, call-out, material verdicts).
Passivation
Organic Coating
Thermal Spray
Equivalent designations
Standards and trade names that resolve to Stainless Steel 1.4826 in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.
- EN / DIN / Werkstoff-Nr.
- GX40CrNiSi22-1010295
- Similar grades
- A297 Grade HHJ93503ZG40Cr22Ni10Si2
How much does 1.4826 cost?
1.4826 is a premium-cost stainless steel ($$$), cheaper than about 51% of the materials FabDigit quotes. Part price depends far more on geometry, tolerance and quantity than on the raw stock — upload a CAD file for a live quote.
1.4826 — frequently asked
What is 1.4826 used for?
1.4826 is typically used for furnace fittings and grates, kiln car parts, heat treatment fixtures, burner components and exhaust and combustion equipment parts. In short: 1000 °C cast heat-resistant grade; silicon-boosted scaling resistance; casting-only, low ductility.
What is the yield strength of 1.4826?
1.4826 has a typical yield strength of 260 MPa (37.7 ksi) and a tensile strength of 520 MPa (75.4 ksi) — weaker than 84% of stainless steel grades. Strength varies by condition: see the 4 listed tempers.
Is 1.4826 easy to machine?
Not especially — machinability is rated poor (25/100, worse than 88% of stainless steel grades). Machine with rigid setups, sharp carbide inserts, low speed and heavy positive feed to cut under the work-hardened skin; expect roughly a quarter of free-machining steel productivity and heavy abrasion from primary carbides.
Can 1.4826 be welded?
With care — weldability is rated fair (35/100). Weldable by SMAW/GTAW with 25Cr-12Ni (E309/ER309) or matching filler; preheat ~200 °C, keep interpass moderate, avoid restrained joints and follow with stress relief on heavy sections.
What surface finishes work on 1.4826?
Normally shot-blasted and left as-cast; grinding of gates and light machining are usual, plating/painting is pointless at service temperature since a protective Cr-Si oxide scale forms in the first heating cycle.
Can 1.4826 be formed, bent or molded?
Supplied only as sand, investment or centrifugal castings — no cold forming; design generous radii and uniform sections to avoid hot tearing and shrinkage porosity.
What is the maximum service temperature of 1.4826?
1.4826 is rated for continuous use to about 1,000°C (1,832 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
What is the difference between 1.4826-AC and 1.4826 CENT?
AC is the default condition — standard supply condition for furnace and burner hardware; used directly since the first heating cycle homogenises the structure anyway. CENT: pick for radiant tubes, rolls and rings where the denser, finer centrifugal structure gives higher strength and better soundness than static sand casting. Yield strength is 260 MPa in AC versus 275 MPa in CENT.
How much does 1.4826 cost?
1.4826 is a premium-cost stainless steel ($$$), cheaper than about 51% of the materials FabDigit quotes. Part price depends far more on geometry, tolerance and quantity than on the raw stock — upload a CAD file for a live quote.
Sources
- EN 10295 — Heat resistant steel castings — CEN (2002)
- ASTM A297/A297M — Steel Castings, Iron-Chromium and Iron-Chromium-Nickel, Heat Resistant, for General Application (Grade HH) — ASTM International (2020)
- ASM Handbook Vol.1 — Properties and Selection: Irons, Steels, and High-Performance Alloys (Heat-Resistant Castings) — ASM International (1990)
- ASM Handbook Vol.15 — Casting — ASM International (2008)
- Steel Castings Handbook — Steel Founders' Society of America (1995)
Property data is compiled from published supplier and standards handbooks and normalised for comparison; hardness values on non-Brinell scales are converted approximately for charting only. Manufacturability limits are FabDigit quote-engine defaults and may be relaxed by engineering review. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.