Steel EN41B Annealed vs EN41B Normalized
Steel · EN41B temper comparison
EN41B Annealed and EN41B Normalized are two conditions of the same steel grade, EN41B: Annealed versus Normalized. The chemistry is identical, so every difference below comes from the condition. EN41B Normalized is the stronger of the two: yield strength 560 MPa (81.2 ksi) against 450 MPa (65.3 ksi) for EN41B Annealed, about 24% more; tensile strength follows at 830 MPa (120 ksi) vs 700 MPa (102 ksi). In exchange, EN41B Annealed is the more ductile: elongation 20% versus 17% for EN41B Normalized, and EN41B Normalized is harder (240 HB vs 200 HB).
EN41B AnnealedChoose it when the part is bent, formed or impact-loaded.
EN41B NormalizedChoose it when strength drives the design.
EN41B Annealed vs EN41B Normalized: 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.
EN41B AnnealedEN41B Normalized
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, Rockwell C
Hardness, Vickers
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 7.8 g/cm³0.28 lb/in³ · Melting Point (Solidus) 1,420°C2,588 °F · Liquidus Temperature 1,480°C2,696 °F
Thermal
How each material carries heat and how hot it can run.
Thermal Conductivity
Same in both: Specific Heat Capacity 460 J/kg·K0.11 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 12 µm/m·K6.7 µin/in·°F · Latent Heat of Fusion 260 J/g112 BTU/lb · Max Service Temperature (continuous) 450°C842 °F · Min Service Temperature -40°C-40 °F
Electrical
Conductivity and insulation.
Electrical Resistivity
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Same in both: Corrosion Resistance 12 / 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: Polishability 70 / 100
Sustainability
Primary-production footprint per kilogram.
Same in both: Embodied Energy (primary production) 34 MJ/kg14,617 BTU/lb · Embodied Carbon (primary production) 2.3 kg CO₂/kg · Embodied Water 60 L/kg7.2 gal/lb · Typical Recycled Content 30%
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.
EN41B Annealed vs EN41B Normalized — frequently asked
Is EN41B Normalized stronger than EN41B Annealed?
Yes. EN41B Normalized has a typical yield strength of 560 MPa (81.2 ksi) against 450 MPa (65.3 ksi) for EN41B Annealed — about 24% more. Tensile strength is 830 MPa (120 ksi) vs 700 MPa (102 ksi).
Which condition does FabDigit quote by default, Annealed or Normalized?
Q&T is the default EN41B condition in the FabDigit quote flow (neither Annealed nor Normalized). 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, EN41B Annealed or EN41B Normalized?
EN41B Annealed, by a small margin. Both rate good for machinability — 60/100 against 55/100 for EN41B Normalized.
Ready to make it?
Upload a CAD file and FabDigit prices the part in EN41B Annealed and EN41B Normalized 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.