Stainless Steel 316-1/2 Hard vs 316 Annealed
Stainless Steel · 316 temper comparison
316-1/2 Hard and 316 Annealed are two conditions of the same stainless steel grade, 316: 1/2 Hard (half hard) versus Annealed. The chemistry is identical, so every difference below comes from the condition. 316-1/2 Hard is the stronger of the two: yield strength 800 MPa (116 ksi) against 285 MPa (41.3 ksi) for 316 Annealed, about 181% more; tensile strength follows at 1,070 MPa (155 ksi) vs 575 MPa (83.4 ksi). In exchange, 316 Annealed is the more ductile: elongation 50% versus 8% for 316-1/2 Hard, and 316-1/2 Hard is harder (305 HB vs 150 HB). 316 Annealed runs hotter in service (870°C vs 300°C continuous). On the shop floor, 316 Annealed welds better (excellent vs very good).
316-1/2 HardChoose it when strength drives the design.
316 AnnealedChoose it when the part is bent, formed or impact-loaded, or when the part sees heat.
316-1/2 Hard vs 316 Annealed: 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
Compressive Strength
Shear Strength
Fatigue Strength (Endurance Limit)
Fracture Toughness (K_IC)
Charpy V-Notch Impact (RT)
Hardness, Brinell
Hardness, Vickers
Same in both: Elastic (Young's) Modulus 193 GPa28 Msi · Shear Modulus 77 GPa11.2 Msi · Bulk Modulus 166 GPa24.1 Msi · Poisson's Ratio 0.28 · Hardness, Rockwell B 82 HRB
Physical
Density and transition temperatures.
Same in both: Density 8 g/cm³0.29 lb/in³ · Melting Point (Solidus) 1,375°C2,507 °F · Liquidus Temperature 1,400°C2,552 °F
Thermal
How each material carries heat and how hot it can run.
Max Service Temperature (continuous)
Same in both: Thermal Conductivity 16.3 W/m·K9.4 BTU/hr·ft·°F · Specific Heat Capacity 500 J/kg·K0.12 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 16 µm/m·K8.9 µin/in·°F · Latent Heat of Fusion 270 J/g116 BTU/lb · Min Service Temperature -196°C-321 °F
Electrical
Conductivity and insulation.
Same in both: Electrical Conductivity 2.3 % IACS · Electrical Resistivity 7.4×10⁻⁷ Ω·m29.1 µΩ·in
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Corrosion Resistance
Same in both: Galvanic Potential (seawater, vs SCE) -0.05 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 85 / 100
Sustainability
Primary-production footprint per kilogram.
Same in both: Embodied Energy (primary production) 57 MJ/kg24,506 BTU/lb · Embodied Carbon (primary production) 5.1 kg CO₂/kg · Embodied Water 200 L/kg24 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.
316-1/2 Hard vs 316 Annealed — frequently asked
Is 316-1/2 Hard stronger than 316 Annealed?
Yes. 316-1/2 Hard has a typical yield strength of 800 MPa (116 ksi) against 285 MPa (41.3 ksi) for 316 Annealed — about 181% more. Tensile strength is 1,070 MPa (155 ksi) vs 575 MPa (83.4 ksi).
Which condition does FabDigit quote by default, 1/2 Hard or Annealed?
Solution Annealed is the default 316 condition in the FabDigit quote flow (neither 1/2 Hard nor Annealed). 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, 316-1/2 Hard or 316 Annealed?
316 Annealed. Its machinability rates fair (35/100) against poor (30/100) for 316-1/2 Hard; for welding the order is 316 Annealed first (excellent, 88/100) then 316-1/2 Hard (very good, 75/100).
Ready to make it?
Upload a CAD file and FabDigit prices the part in 316-1/2 Hard and 316 Annealed 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.