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Steel A536 60-40-18-ANN vs A536 60-40-18-HS

Steel · A536 60-40-18 temper comparison

A536 60-40-18-ANN and A536 60-40-18-HS are two conditions of the same steel grade, A536 60-40-18: ANN (annealed) versus HS (heavy Section). The chemistry is identical, so every difference below comes from the condition. A536 60-40-18-ANN is the stronger of the two: yield strength 300 MPa (43.5 ksi) against 265 MPa (38.4 ksi) for A536 60-40-18-HS, about 13% more; tensile strength follows at 450 MPa (65.3 ksi) vs 400 MPa (58 ksi). A536 60-40-18-ANN is the more ductile: elongation 23% versus 15% for A536 60-40-18-HS.

A536 60-40-18-ANNChoose it when strength drives the design, or when the part is bent, formed or impact-loaded.

A536 60-40-18-ANN vs A536 60-40-18-HS: properties

A536 60-40-18-ANNA536 60-40-18-HS

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

169 GPa24.5 Msi
167 GPa24.2 Msi

Tensile Strength (Ultimate)

450 MPa65.3 ksi
400 MPa58 ksi

Yield Strength (0.2% offset)

300 MPa43.5 ksi
265 MPa38.4 ksi

Elongation at Break

23%
15%

Reduction in Area

19%
13%

Compressive Strength

730 MPa106 ksi
650 MPa94.3 ksi

Shear Strength

385 MPa55.8 ksi
345 MPa50 ksi

Fatigue Strength (Endurance Limit)

200 MPa29 ksi
175 MPa25.4 ksi

Fracture Toughness (K_IC)

37 MPa·√m33.7 ksi·√in
30 MPa·√m27.3 ksi·√in

Charpy V-Notch Impact (RT)

16 J11.8 ft·lbf
12 J8.9 ft·lbf

Hardness, Brinell

150 HB
145 HB

Hardness, Rockwell B

80 HRB
78 HRB

Hardness, Vickers

158 HV
152 HV

Same in both: Shear Modulus 65 GPa9.4 Msi · Bulk Modulus 135 GPa19.6 Msi · Poisson's Ratio 0.28

Physical

Density and transition temperatures.

Same in both: Density 7.1 g/cm³0.26 lb/in³ · Melting Point (Solidus) 1,140°C2,084 °F · Liquidus Temperature 1,160°C2,120 °F

Thermal

How each material carries heat and how hot it can run.

Same in both: Thermal Conductivity 36 W/m·K20.8 BTU/hr·ft·°F · 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 220 J/g94.6 BTU/lb · Max Service Temperature (continuous) 350°C662 °F · Min Service Temperature -20°C-4 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

3 % IACS
2.9 % IACS

Electrical Resistivity

5.8×10⁻⁷ Ω·m22.8 µΩ·in
6×10⁻⁷ Ω·m23.6 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Same in both: Galvanic Potential (seawater, vs SCE) -0.65 V · Corrosion Resistance 18 / 100

Manufacturability

FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.

Weldability

32 / 100
28 / 100

Formability (cold)

6 / 100
4 / 100

Same in both: Machinability 72 / 100 · Machinability Rating (AISI 1212 = 100 %) 82% · Castability 88 / 100 · Brazeability / Solderability 40 / 100 · Polishability 55 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 21 MJ/kg9,028 BTU/lb · Embodied Carbon (primary production) 1.9 kg CO₂/kg · Embodied Water 45 L/kg5.4 gal/lb · Typical Recycled Content 80%

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.

2005001,0002,0007.588.5Density (g/cm³)Yield strength (MPa) — log scaleA536 60-40-18

A536 60-40-18-ANN vs A536 60-40-18-HS — frequently asked

Is A536 60-40-18-ANN stronger than A536 60-40-18-HS?

Yes. A536 60-40-18-ANN has a typical yield strength of 300 MPa (43.5 ksi) against 265 MPa (38.4 ksi) for A536 60-40-18-HS — about 13% more. Tensile strength is 450 MPa (65.3 ksi) vs 400 MPa (58 ksi).

Which condition does FabDigit quote by default, ANN or HS?

ANN is the default A536 60-40-18 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.

When should I choose A536 60-40-18-ANN over A536 60-40-18-HS?

Pick A536 60-40-18-ANN when strength drives the design, or when the part is bent, formed or impact-loaded.

Ready to make it?

Upload a CAD file and FabDigit prices the part in A536 60-40-18-ANN and A536 60-40-18-HS 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.