Stainless Steel VG-10-ANN vs VG-10-HT58
Stainless Steel · VG-10 temper comparison
VG-10-ANN and VG-10-HT58 are two conditions of the same stainless steel grade, VG-10: ANN (annealed) versus HT58 (hardened & tempered, 58-59 HRC). The chemistry is identical, so every difference below comes from the condition. VG-10-HT58 is the stronger of the two: yield strength 1,750 MPa (254 ksi) against 460 MPa (66.7 ksi) for VG-10-ANN, about 3.8 times as much; tensile strength follows at 2,000 MPa (290 ksi) vs 780 MPa (113 ksi). In exchange, VG-10-ANN is the more ductile: elongation 15% versus 3% for VG-10-HT58, and VG-10-HT58 is harder (59 HRC vs 20 HRC). VG-10-ANN runs hotter in service (400°C vs 200°C continuous). On the shop floor, VG-10-ANN machines more easily (fair vs not recommended).
VG-10-ANNChoose it when the part is bent, formed or impact-loaded, or when the part sees heat.
VG-10-HT58Choose it when strength drives the design.
VG-10-ANN vs VG-10-HT58: 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
Compressive Strength
Shear Strength
Fatigue Strength (Endurance Limit)
Fracture Toughness (K_IC)
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 7.7 g/cm³0.28 lb/in³ · Melting Point (Solidus) 1,400°C2,552 °F · Liquidus Temperature 1,470°C2,678 °F
Thermal
How each material carries heat and how hot it can run.
Max Service Temperature (continuous)
Same in both: Thermal Conductivity 25 W/m·K14.4 BTU/hr·ft·°F · Specific Heat Capacity 460 J/kg·K0.11 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 10.4 µm/m·K5.8 µin/in·°F · Latent Heat of Fusion 270 J/g116 BTU/lb · Min Service Temperature -60°C-76 °F
Electrical
Conductivity and insulation.
Same in both: Electrical Conductivity 2.9 % IACS · Electrical Resistivity 6×10⁻⁷ Ω·m23.6 µΩ·in
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Corrosion Resistance
Same in both: Galvanic Potential (seawater, vs SCE) -0.28 V
Manufacturability
FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.
Machinability
Machinability Rating (AISI 1212 = 100 %)
Formability (cold)
Same in both: Weldability 15 / 100 · Brazeability / Solderability 30 / 100 · Polishability 85 / 100
Sustainability
Primary-production footprint per kilogram.
Same in both: Embodied Energy (primary production) 55 MJ/kg23,646 BTU/lb · Embodied Carbon (primary production) 5 kg CO₂/kg · Embodied Water 200 L/kg24 gal/lb · Typical Recycled Content 30%
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.
VG-10-ANN vs VG-10-HT58 — frequently asked
Is VG-10-HT58 stronger than VG-10-ANN?
Yes. VG-10-HT58 has a typical yield strength of 1,750 MPa (254 ksi) against 460 MPa (66.7 ksi) for VG-10-ANN — about 3.8 times as much. Tensile strength is 2,000 MPa (290 ksi) vs 780 MPa (113 ksi).
Which condition does FabDigit quote by default, ANN or HT58?
HT60 is the default VG-10 condition in the FabDigit quote flow (neither ANN nor HT58). 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, VG-10-ANN or VG-10-HT58?
VG-10-ANN. Its machinability rates fair (35/100) against not recommended (14/100) for VG-10-HT58.
Ready to make it?
Upload a CAD file and FabDigit prices the part in VG-10-ANN and VG-10-HT58 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.