Steel Y40Mn-ANN vs Y40Mn-N
Steel · Y40Mn temper comparison
Y40Mn-ANN and Y40Mn-N are two conditions of the same steel grade, Y40Mn: ANN (annealed) versus N (normalized). The chemistry is identical, so every difference below comes from the condition. Y40Mn-N is the stronger of the two: yield strength 410 MPa (59.5 ksi) against 330 MPa (47.9 ksi) for Y40Mn-ANN, about 24% more; tensile strength follows at 700 MPa (102 ksi) vs 570 MPa (82.7 ksi). In exchange, Y40Mn-ANN is the more ductile: elongation 20% versus 17% for Y40Mn-N, and Y40Mn-N is harder (207 HB vs 170 HB).
Y40Mn-ANNChoose it when the part is bent, formed or impact-loaded.
Y40Mn-NChoose it when strength drives the design.
Y40Mn-ANN vs Y40Mn-N: 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.
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)
Fracture Toughness (K_IC)
Charpy V-Notch Impact (RT)
Hardness, Brinell
Hardness, Rockwell B
Same in both: Elastic (Young's) Modulus 205 GPa29.7 Msi · Shear Modulus 80 GPa11.6 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) 1,420°C2,588 °F · Liquidus Temperature 1,490°C2,714 °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 475 J/kg·K0.11 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 11.9 µm/m·K6.6 µin/in·°F · Latent Heat of Fusion 250 J/g107 BTU/lb · Min Service Temperature -20°C-4 °F
Electrical
Conductivity and insulation.
Electrical Conductivity
Electrical Resistivity
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Same in both: Galvanic Potential (seawater, vs SCE) -0.61 V · Corrosion Resistance 10 / 100
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 50 / 100 · Polishability 45 / 100
Sustainability
Primary-production footprint per kilogram.
Same in both: Embodied Energy (primary production) 25 MJ/kg10,748 BTU/lb · Embodied Carbon (primary production) 1.9 kg CO₂/kg · Embodied Water 45 L/kg5.4 gal/lb · Typical Recycled Content 35%
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.
Y40Mn-ANN vs Y40Mn-N — frequently asked
Is Y40Mn-N stronger than Y40Mn-ANN?
Yes. Y40Mn-N has a typical yield strength of 410 MPa (59.5 ksi) against 330 MPa (47.9 ksi) for Y40Mn-ANN — about 24% more. Tensile strength is 700 MPa (102 ksi) vs 570 MPa (82.7 ksi).
Which condition does FabDigit quote by default, ANN or N?
CD is the default Y40Mn condition in the FabDigit quote flow (neither ANN nor N). 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, Y40Mn-ANN or Y40Mn-N?
Y40Mn-ANN. Its machinability rates very good (70/100) against good (62/100) for Y40Mn-N.
Ready to make it?
Upload a CAD file and FabDigit prices the part in Y40Mn-ANN and Y40Mn-N 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.