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Steel 60Si2MnA Hot Rolled vs 60Si2MnA Q&T

Steel · 60Si2MnA temper comparison

60Si2MnA Hot Rolled and 60Si2MnA Q&T are two conditions of the same steel grade, 60Si2MnA: Hot Rolled versus Q&T (quenched and tempered). The chemistry is identical, so every difference below comes from the condition. 60Si2MnA Q&T is the stronger of the two: yield strength 1,500 MPa (218 ksi) against 620 MPa (89.9 ksi) for 60Si2MnA Hot Rolled, about 142% more; tensile strength follows at 1,700 MPa (247 ksi) vs 1,000 MPa (145 ksi). In exchange, 60Si2MnA Hot Rolled is the more ductile: elongation 11% versus 7% for 60Si2MnA Q&T, and 60Si2MnA Q&T is harder (460 HB vs 285 HB). 60Si2MnA Q&T runs hotter in service (230°C vs 200°C continuous). On the shop floor, 60Si2MnA Hot Rolled machines more easily (fair vs poor) and 60Si2MnA Hot Rolled welds better (poor vs not recommended).

60Si2MnA Hot RolledChoose it when the part is bent, formed or impact-loaded, or when the part is machined in volume.

60Si2MnA Q&TChoose it when strength drives the design, or when the part sees heat.

60Si2MnA Hot Rolled vs 60Si2MnA Q&T: properties

60Si2MnA Hot Rolled60Si2MnA Q&T

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

1,000 MPa145 ksi
1,700 MPa247 ksi

Yield Strength (0.2% offset)

620 MPa89.9 ksi
1,500 MPa218 ksi

Elongation at Break

11%
7%

Reduction in Area

30%
27%

Shear Strength

620 MPa89.9 ksi
1,020 MPa148 ksi

Fatigue Strength (Endurance Limit)

450 MPa65.3 ksi
720 MPa104 ksi

Charpy V-Notch Impact (RT)

25 J18.4 ft·lbf
16 J11.8 ft·lbf

Hardness, Brinell

285 HB
460 HB

Hardness, Vickers

300 HV
490 HV

Same in both: Elastic (Young's) Modulus 206 GPa29.9 Msi · Shear Modulus 79 GPa11.5 Msi · Bulk Modulus 160 GPa23.2 Msi · Poisson's Ratio 0.29 · Hardness, Rockwell B 100 HRB

Physical

Density and transition temperatures.

Same in both: Density 7.85 g/cm³0.28 lb/in³ · Melting Point (Solidus) 1,450°C2,642 °F · Liquidus Temperature 1,495°C2,723 °F

Thermal

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

Max Service Temperature (continuous)

200°C392 °F
230°C446 °F

Same in both: Thermal Conductivity 37 W/m·K21.4 BTU/hr·ft·°F · Specific Heat Capacity 480 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 -40°C-40 °F

Electrical

Conductivity and insulation.

Same in both: Electrical Conductivity 6 % IACS · Electrical Resistivity 2.9×10⁻⁷ Ω·m11.4 µΩ·in

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

38 / 100
20 / 100

Machinability Rating (AISI 1212 = 100 %)

45%
20%

Weldability

25 / 100
10 / 100

Formability (cold)

35 / 100
10 / 100

Same in both: Brazeability / Solderability 45 / 100 · Polishability 60 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 26 MJ/kg11,178 BTU/lb · Embodied Carbon (primary production) 2 kg CO₂/kg · Embodied Water 55 L/kg6.6 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.

2005001,0002,0007.588.5Density (g/cm³)Yield strength (MPa) — log scale60Si2MnA

60Si2MnA Hot Rolled vs 60Si2MnA Q&T — frequently asked

Is 60Si2MnA Q&T stronger than 60Si2MnA Hot Rolled?

Yes. 60Si2MnA Q&T has a typical yield strength of 1,500 MPa (218 ksi) against 620 MPa (89.9 ksi) for 60Si2MnA Hot Rolled — about 142% more. Tensile strength is 1,700 MPa (247 ksi) vs 1,000 MPa (145 ksi).

Which condition does FabDigit quote by default, Hot Rolled or Q&T?

Annealed is the default 60Si2MnA condition in the FabDigit quote flow (neither Hot Rolled nor Q&T). 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, 60Si2MnA Hot Rolled or 60Si2MnA Q&T?

60Si2MnA Hot Rolled. Its machinability rates fair (38/100) against poor (20/100) for 60Si2MnA Q&T; for welding the order is 60Si2MnA Hot Rolled first (poor, 25/100) then 60Si2MnA Q&T (not recommended, 10/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in 60Si2MnA Hot Rolled and 60Si2MnA Q&T 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.