Stainless Steel 205-ANN vs 205-FH
Stainless Steel · 205 temper comparison
205-ANN and 205-FH are two conditions of the same stainless steel grade, 205: ANN (annealed) versus FH (full hard). The chemistry is identical, so every difference below comes from the condition. 205-FH is the stronger of the two: yield strength 1,310 MPa (190 ksi) against 475 MPa (68.9 ksi) for 205-ANN, about 176% more; tensile strength follows at 1,520 MPa (220 ksi) vs 830 MPa (120 ksi). In exchange, 205-ANN is the more ductile: elongation 58% versus 8% for 205-FH, and 205-FH is harder (415 HV vs 240 HV). 205-ANN runs hotter in service (800°C vs 300°C continuous). On the shop floor, 205-ANN welds better (good vs fair).
205-ANNChoose it when the part is bent, formed or impact-loaded, or when the part sees heat.
205-FHChoose it when strength drives the design.
205-ANN vs 205-FH: propertiesHow to read these bars
- One bar per material. A full bar is the highest value among all stainless 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 stainless 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.
Mechanical
Strength, stiffness, ductility and hardness at room temperature.
Tensile Strength (Ultimate)
Yield Strength (0.2% offset)
Elongation at Break
Reduction in Area
Shear Strength
Fatigue Strength (Endurance Limit)
Charpy V-Notch Impact (RT)
Hardness, Vickers
Same in both: Elastic (Young's) Modulus 197 GPa28.6 Msi · Shear Modulus 77 GPa11.2 Msi · Bulk Modulus 160 GPa23.2 Msi · Poisson's Ratio 0.29 · Compressive Strength 475 MPa68.9 ksi · Fracture Toughness (K_IC) 180 MPa·√m164 ksi·√in · Hardness, Brinell 230 HB · Hardness, Rockwell B 98 HRB
Physical
Density and transition temperatures.
Same in both: Density 7.8 g/cm³0.28 lb/in³ · Melting Point (Solidus) 1,385°C2,525 °F · Liquidus Temperature 1,425°C2,597 °F
Thermal
How each material carries heat and how hot it can run.
Max Service Temperature (continuous)
Same in both: Thermal Conductivity 14.5 W/m·K8.4 BTU/hr·ft·°F · Specific Heat Capacity 500 J/kg·K0.12 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 16.9 µm/m·K9.4 µin/in·°F · Latent Heat of Fusion 275 J/g118 BTU/lb · Min Service Temperature -196°C-321 °F
Electrical
Conductivity and insulation.
Same in both: Electrical Conductivity 2.3 % IACS · Electrical Resistivity 7.5×10⁻⁷ Ω·m29.5 µΩ·in
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Corrosion Resistance
Same in both: Galvanic Potential (seawater, vs SCE) -0.1 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: Brazeability / Solderability 60 / 100 · Polishability 70 / 100
Sustainability
Primary-production footprint per kilogram.
Same in both: Embodied Energy (primary production) 48 MJ/kg20,636 BTU/lb · Embodied Carbon (primary production) 3.4 kg CO₂/kg · Embodied Water 130 L/kg15.6 gal/lb · Typical Recycled Content 60%
Strength versus weight
Yield strength against density for every stainless steel grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.
205-ANN vs 205-FH — frequently asked
Is 205-FH stronger than 205-ANN?
Yes. 205-FH has a typical yield strength of 1,310 MPa (190 ksi) against 475 MPa (68.9 ksi) for 205-ANN — about 176% more. Tensile strength is 1,520 MPa (220 ksi) vs 830 MPa (120 ksi).
Which condition does FabDigit quote by default, ANN or FH?
ANN is the default 205 condition in the FabDigit quote flow. 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, 205-ANN or 205-FH?
205-ANN, by a small margin. Both rate poor for machinability — 28/100 against 20/100 for 205-FH; for welding the order is 205-ANN first (good, 55/100) then 205-FH (fair, 42/100).
Ready to make it?
Upload a CAD file and FabDigit prices the part in 205-ANN and 205-FH 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.