Stainless Steel 1.4490
EN 1.4490
1.4490 (GX2CrNiMoN19-11-2) is a molybdenum-alloyed low-carbon austenitic stainless casting steel equivalent to ASTM A743 CF3M and UNS J92800, effectively cast 316L.
Reference datasheet — 1.4490 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 +AT condition
1.4490 tempers and conditions
1.4490 is supplied in 4 conditions, soft to hard. +AT 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 |
|---|---|---|---|---|---|---|
+ATDefault Solution annealed | Standard delivery condition for EN 10213/EN 10283 castings; maximum corrosion resistance and toughness — pick this unless the foundry offers HIP upgrading. | 280 | 520 | 45 | 150 HB | — |
Spheroidize annealed | Only for non-corrosive, non-pressure hardware or rough stock to be heat treated later; interdendritic segregation and possible sigma/carbide give lower ductility and pitting resistance. | 290 | 510 | 30 | 160 HB | 2.3 % IACS |
Hot isostatically pressed then solution annealed and quenched | Choose for investment/precision castings needing closed microporosity: better fatigue, impact and radiographic quality at higher cost. | 290 | 545 | 50 | 155 HB | 2.3 % IACS |
+AT | Centrifugally cast pipe, rings and sleeves per ASTM A451/A452 practice; finer, denser wall structure gives slightly higher strength than static castings. | 300 | 550 | 42 | 160 HB | 2.3 % IACS |
What is 1.4490?
1.4490 (GX2CrNiMoN19-11-2) is a molybdenum-alloyed low-carbon austenitic stainless casting steel equivalent to ASTM A743 CF3M and UNS J92800, effectively cast 316L. It is chosen for chemical and marine castings needing better pitting resistance than plain chromium-nickel castings, with 280 MPa yield, 520 MPa tensile, 45% elongation and 150 HB in the solution-annealed (+AT) condition; +AT+HIP is available for pressure-tight work. Service is limited to 600 °C and strength is well below the cast duplex grades. 1.4487 (CF3) is the lower-cost choice where molybdenum is not required. 1.4490 has a density of 7.9 g/cm³ (0.285 lb/in³), heavier than 68% of stainless steel grades. It melts at 1,400°C (2,552 °F). 1.4490 has a yield strength of 280 MPa (40.6 ksi) and a tensile strength of 520 MPa (75.4 ksi) — weaker than 75% of stainless steel grades. Elongation at break is 45% and the elastic modulus is 195 GPa (28.3 Msi).
What is 1.4490 used for?
- valve bodies
- pump casings
- chemical process fittings
Advantages
- Readily welded — 85/100, better than 87% of stainless steel grades
- Ductile — tolerates forming and impact — 45%, better than 76% of stainless steel grades
Limitations
- Hard to polish — 60/100, worse than 80% of stainless steel grades
- Limited formability — 25/100, worse than 78% of stainless steel grades
- Low strength — 280 MPa (40.6 ksi), worse than 75% of stainless steel grades
1.4490 properties
Typical room-temperature values for 1.4490-+AT; bars are the position among stainless steel grades.
Physical3
1.4490 has a density of 7.9 g/cm³ (0.285 lb/in³), heavier than 68% of stainless steel grades. It melts at 1,400°C (2,552 °F).
Mechanical16
1.4490 has a yield strength of 280 MPa (40.6 ksi) and a tensile strength of 520 MPa (75.4 ksi) — weaker than 75% of stainless steel grades. Elongation at break is 45% and the elastic modulus is 195 GPa (28.3 Msi).
Thermal6
1.4490 is rated for continuous service to 600°C (1,112 °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 16.5 µm/m·K (9.17 µin/in·°F).
Electrical3
1.4490 conducts electricity at 2.3 % IACS, better than 55% of stainless steel grades.
Chemical & Environmental3
Corrosion resistance is very good (70/100), better than 68% of stainless steel grades.
Sustainability4
Producing a kilogram of 1.4490 takes about 55 MJ of energy and emits 4.6 kg of CO₂ — more than 50% of stainless steel grades. Typical recycled content is 70%.
Manufacturability7
1.4490's machinability is fair (40/100, better than 72% of stainless steel grades); weldability excellent (85/100); formability poor (25/100).
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. 1.4490 is highlighted; hover a dot for its name, or open the interactive family chart.
Working with 1.4490
Is 1.4490 easy to machine?
Gummy and work-hardening like 316L: rigid setups, sharp positive-rake carbide, 60–110 m/min, heavy feed and flood coolant; avoid dwelling and expect abrasive skin/sand inclusions on unmachined castings.
Can 1.4490 be welded?
Excellent — GTAW/GMAW/SMAW with 316L or 317L filler, no preheat, interpass below ~150 °C; keep ferrite 3–10 FN in weld metal and re-solution-anneal after major repair welds on corrosion duty.
Can 1.4490 be formed, bent or molded?
Sand, investment and centrifugal casting all practical; wide 1400–1450 °C freezing range needs generous feeding and chills, and solution treatment plus water quench is mandatory for full corrosion performance.
1.4490 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 |
|---|---|---|
| Clow carbon — sensitisation resistance | ≤ 0.03 | 0.02 |
| Siraised for casting fluidity | ≤ 1.5 | 1 |
| Mn | ≤ 2 | 1.2 |
| P | ≤ 0.04 | 0.02 |
| S | ≤ 0.03 | 0.01 |
| Cr | 18 – 20 | 19 |
| Ni | 9 – 12 | 10.5 |
| Mopitting resistance | 2 – 2.5 | 2.3 |
| Nstrength + pitting; distinguishes CF3MN from CF3M | 0.1 – 0.2 | 0.15 |
| Fe | balance |
What surface finishes work on 1.4490?
Pickle and passivate (nitric or citric) after grinding/welding to restore the passive film; shot blast with stainless or ceramic media only, and electropolishing gives good results where porosity is closed (HIP).
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 1.4490 in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.
- EN / DIN / Werkstoff-Nr.
- GX2CrNiMoN19-11-2
- Similar grades
- A743 CF3MJ92800
How much does 1.4490 cost?
1.4490 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.
1.4490 — frequently asked
What is 1.4490 used for?
1.4490 is typically used for valve bodies, pump casings and chemical process fittings. In short: cast 316L equivalent; molybdenum pitting resistance; weldable without post-weld anneal.
What is the yield strength of 1.4490?
1.4490 has a typical yield strength of 280 MPa (40.6 ksi) and a tensile strength of 520 MPa (75.4 ksi) — weaker than 75% of stainless steel grades. Strength varies by condition: see the 4 listed tempers.
Is 1.4490 easy to machine?
Not especially — machinability is rated fair (40/100, better than 72% of stainless steel grades). Gummy and work-hardening like 316L: rigid setups, sharp positive-rake carbide, 60–110 m/min, heavy feed and flood coolant; avoid dwelling and expect abrasive skin/sand inclusions on unmachined castings.
Can 1.4490 be welded?
Yes — weldability is rated excellent (85/100). Excellent — GTAW/GMAW/SMAW with 316L or 317L filler, no preheat, interpass below ~150 °C; keep ferrite 3–10 FN in weld metal and re-solution-anneal after major repair welds on corrosion duty.
What surface finishes work on 1.4490?
Pickle and passivate (nitric or citric) after grinding/welding to restore the passive film; shot blast with stainless or ceramic media only, and electropolishing gives good results where porosity is closed (HIP).
Can 1.4490 be formed, bent or molded?
Sand, investment and centrifugal casting all practical; wide 1400–1450 °C freezing range needs generous feeding and chills, and solution treatment plus water quench is mandatory for full corrosion performance.
What is the maximum service temperature of 1.4490?
1.4490 is rated for continuous use to about 600°C (1,112 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
What is the difference between 1.4490 +AT and 1.4490-AC?
+AT is the default condition — standard delivery condition for EN 10213/EN 10283 castings; maximum corrosion resistance and toughness — pick this unless the foundry offers HIP upgrading. AC: only for non-corrosive, non-pressure hardware or rough stock to be heat treated later; interdendritic segregation and possible sigma/carbide give lower ductility and pitting resistance. Yield strength is 280 MPa in +AT versus 290 MPa in AC.
How much does 1.4490 cost?
1.4490 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 10213 — Steel castings for pressure purposes — CEN (2016)
- EN 10283 — Corrosion resistant steel castings — CEN (2010)
- ASTM A743/A743M — Castings, Iron-Chromium-Nickel, Corrosion Resistant (CF3M, CF3MN) — ASTM (2021)
- ASTM A351/A351M — Castings, Austenitic, for Pressure-Containing Parts — ASTM (2020)
- ASM Handbook Vol. 1 — Properties and Selection: Irons, Steels, and High-Performance Alloys — ASM International (1990)
- Steel Castings Handbook — Steel Founders' Society of America / ASM (1995)
- Outokumpu Corrosion Handbook / 316L austenitic data — Outokumpu (2021)
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.