Steel Ferrium S53-ANN vs Ferrium S53 SHT+Q
Steel · Ferrium S53 temper comparison
Ferrium S53-ANN and Ferrium S53 SHT+Q are two conditions of the same steel grade, Ferrium S53: ANN (annealed) versus SHT+Q (solution treated 1060–1090 °C, oil/gas quenched, cryogenic treated). The chemistry is identical, so every difference below comes from the condition. Ferrium S53 SHT+Q is the stronger of the two: yield strength 1,100 MPa (160 ksi) against 850 MPa (123 ksi) for Ferrium S53-ANN, about 29% more; tensile strength follows at 1,500 MPa (218 ksi) vs 1,100 MPa (160 ksi). In exchange, Ferrium S53-ANN is the more ductile: elongation 18% versus 10% for Ferrium S53 SHT+Q, and Ferrium S53 SHT+Q is harder (47 HRC vs 34 HRC). Ferrium S53-ANN runs hotter in service (370°C vs 200°C continuous) and Ferrium S53-ANN conducts heat better (19 W/m·K vs 17 W/m·K). On the shop floor, Ferrium S53-ANN machines more easily (32 vs 22 out of 100).
Ferrium S53-ANNChoose it when the part is bent, formed or impact-loaded, or when the part sees heat.
Ferrium S53 SHT+QChoose it when strength drives the design.
Ferrium S53-ANN vs Ferrium S53 SHT+Q: propertiesHow to read these bars
- One bar per material. A full bar is the highest value among all steel grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
How to read these bars
- One bar per material. A full bar is the highest value among all steel grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
Ferrium S53-ANNFerrium S53 SHT+Q
Mechanical
Strength, stiffness, ductility and hardness at room temperature.
Tensile Strength (Ultimate)
Yield Strength (0.2% offset)
Elongation at Break
Reduction in Area
Compressive Strength
Shear Strength
Fatigue Strength (Endurance Limit)
Fracture Toughness (K_IC)
Charpy V-Notch Impact (RT)
Hardness, Rockwell C
Hardness, Vickers
Same in both: Elastic (Young's) Modulus 200 GPa29 Msi · Shear Modulus 78 GPa11.3 Msi · Bulk Modulus 160 GPa23.2 Msi · Poisson's Ratio 0.29
Physical
Density and transition temperatures.
Same in both: Density 7.85 g/cm³0.28 lb/in³ · Melting Point (Solidus) 1,400°C2,552 °F · Liquidus Temperature 1,460°C2,660 °F
Thermal
How each material carries heat and how hot it can run.
Thermal Conductivity
Max Service Temperature (continuous)
Same in both: Specific Heat Capacity 450 J/kg·K0.11 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 11.5 µm/m·K6.4 µin/in·°F · Latent Heat of Fusion 260 J/g112 BTU/lb · Min Service Temperature -70°C-94 °F
Electrical
Conductivity and insulation.
Electrical Resistivity
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Corrosion Resistance
Same in both: Galvanic Potential (seawater, vs SCE) -0.32 V
Manufacturability
FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.
Machinability
Machinability Rating (AISI 1212 = 100 %)
Weldability
Formability (cold)
Same in both: Polishability 80 / 100
Sustainability
Primary-production footprint per kilogram.
Same in both: Embodied Energy (primary production) 62 MJ/kg26,655 BTU/lb · Embodied Carbon (primary production) 5 kg CO₂/kg · Embodied Water 120 L/kg14.4 gal/lb · Typical Recycled Content 15%
Strength versus weight
Yield strength against density for every steel grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.
Ferrium S53-ANN vs Ferrium S53 SHT+Q — frequently asked
Is Ferrium S53 SHT+Q stronger than Ferrium S53-ANN?
Yes. Ferrium S53 SHT+Q has a typical yield strength of 1,100 MPa (160 ksi) against 850 MPa (123 ksi) for Ferrium S53-ANN — about 29% more. Tensile strength is 1,500 MPa (218 ksi) vs 1,100 MPa (160 ksi).
Which condition does FabDigit quote by default, ANN or SHT+Q?
AMS5922-SCT482 is the default Ferrium S53 condition in the FabDigit quote flow (neither ANN nor SHT+Q). The other condition is available on request or by drawing note — specify it in the material field or the part notes and the quote is priced for it.
Which is easier to machine, Ferrium S53-ANN or Ferrium S53 SHT+Q?
Ferrium S53-ANN, by a small margin. Both rate poor for machinability — 32/100 against 22/100 for Ferrium S53 SHT+Q; for welding the order is Ferrium S53-ANN first (poor, 30/100) then Ferrium S53 SHT+Q (poor, 25/100).
Ready to make it?
Upload a CAD file and FabDigit prices the part in Ferrium S53-ANN and Ferrium S53 SHT+Q side by side — material, machining time, tolerance and finish in one quote. Certified material data ships with the order on request.
Typical handbook values for the conditions named above, normalised for comparison. Hardness on non-Brinell scales is converted approximately for charting only. Request certified data with your order for design-critical properties.