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Steel 32CDV13 QT-1080-1280 vs 32CDV13 QT-1230-1420

Steel · 32CDV13 temper comparison

32CDV13 QT-1080-1280 and 32CDV13 QT-1230-1420 are two conditions of the same steel grade, 32CDV13: QT-1080-1280 (Q&T 1080–1280 MPa) versus QT-1230-1420 (Q&T 1230–1420 MPa). The chemistry is identical, so every difference below comes from the condition. 32CDV13 QT-1230-1420 is the stronger of the two: yield strength 1,130 MPa (164 ksi) against 1,000 MPa (145 ksi) for 32CDV13 QT-1080-1280, about 13% more; tensile strength follows at 1,320 MPa (191 ksi) vs 1,180 MPa (171 ksi). In exchange, 32CDV13 QT-1080-1280 is the more ductile: elongation 12% versus 10% for 32CDV13 QT-1230-1420, and 32CDV13 QT-1230-1420 is harder (410 HB vs 360 HB). On the shop floor, 32CDV13 QT-1080-1280 machines more easily (fair vs poor).

32CDV13 QT-1080-1280Choose it when the part is bent, formed or impact-loaded, or when the part is machined in volume.

32CDV13 QT-1230-1420Choose it when strength drives the design.

32CDV13 QT-1080-1280 vs 32CDV13 QT-1230-1420: properties

32CDV13 QT-1080-128032CDV13 QT-1230-1420

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

1,180 MPa171 ksi
1,320 MPa191 ksi

Yield Strength (0.2% offset)

1,000 MPa145 ksi
1,130 MPa164 ksi

Elongation at Break

12%
10%

Reduction in Area

50%
42%

Fatigue Strength (Endurance Limit)

550 MPa79.8 ksi
610 MPa88.5 ksi

Fracture Toughness (K_IC)

80 MPa·√m72.8 ksi·√in
65 MPa·√m59.2 ksi·√in

Charpy V-Notch Impact (RT)

55 J40.6 ft·lbf
35 J25.8 ft·lbf

Hardness, Brinell

360 HB
410 HB

Hardness, Rockwell C

38 HRC
43 HRC

Hardness, Vickers

380 HV
430 HV

Same in both: Elastic (Young's) Modulus 210 GPa30.5 Msi · Shear Modulus 80 GPa11.6 Msi · Bulk Modulus 160 GPa23.2 Msi · Poisson's Ratio 0.29 · Compressive Strength 1,050 MPa152 ksi · Shear Strength 710 MPa103 ksi

Physical

Density and transition temperatures.

Same in both: Density 7.83 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.

Same in both: Thermal Conductivity 34 W/m·K19.6 BTU/hr·ft·°F · Specific Heat Capacity 460 J/kg·K0.11 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 11.8 µm/m·K6.6 µin/in·°F · Latent Heat of Fusion 250 J/g107 BTU/lb · Max Service Temperature (continuous) 450°C842 °F · Min Service Temperature -60°C-76 °F

Electrical

Conductivity and insulation.

Same in both: Electrical Resistivity 2.6×10⁻⁷ Ω·m10.2 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Same in both: Galvanic Potential (seawater, vs SCE) -0.6 V · Corrosion Resistance 16 / 100

Manufacturability

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

Machinability

42 / 100
32 / 100

Machinability Rating (AISI 1212 = 100 %)

40%
30%

Same in both: Weldability 60 / 100 · Formability (cold) 35 / 100 · Castability 30 / 100 · Brazeability / Solderability 55 / 100 · Polishability 65 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 34 MJ/kg14,617 BTU/lb · Embodied Carbon (primary production) 2.5 kg CO₂/kg · Embodied Water 70 L/kg8.4 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 scale32CDV13

32CDV13 QT-1080-1280 vs 32CDV13 QT-1230-1420 — frequently asked

Is 32CDV13 QT-1230-1420 stronger than 32CDV13 QT-1080-1280?

Yes. 32CDV13 QT-1230-1420 has a typical yield strength of 1,130 MPa (164 ksi) against 1,000 MPa (145 ksi) for 32CDV13 QT-1080-1280 — about 13% more. Tensile strength is 1,320 MPa (191 ksi) vs 1,180 MPa (171 ksi).

Which condition does FabDigit quote by default, QT-1080-1280 or QT-1230-1420?

QT-1080-1280 is the default 32CDV13 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.

Which is easier to machine, 32CDV13 QT-1080-1280 or 32CDV13 QT-1230-1420?

32CDV13 QT-1080-1280. Its machinability rates fair (42/100) against poor (32/100) for 32CDV13 QT-1230-1420.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 32CDV13 QT-1080-1280 and 32CDV13 QT-1230-1420 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.