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Steel 1132 QT-22-26HRC vs 1132 QT-28-32HRC

Steel · 1132 temper comparison

1132 QT-22-26HRC and 1132 QT-28-32HRC are two conditions of the same steel grade, 1132: QT-22-26HRC versus QT-28-32HRC. The chemistry is identical, so every difference below comes from the condition. 1132 QT-28-32HRC is the stronger of the two: yield strength 780 MPa (113 ksi) against 650 MPa (94.3 ksi) for 1132 QT-22-26HRC, about 20% more; tensile strength follows at 950 MPa (138 ksi) vs 820 MPa (119 ksi). In exchange, 1132 QT-22-26HRC is the more ductile: elongation 17% versus 14% for 1132 QT-28-32HRC, and 1132 QT-28-32HRC is harder (293 HB vs 248 HB). On the shop floor, 1132 QT-22-26HRC machines more easily (good vs fair).

1132 QT-22-26HRCChoose it when the part is bent, formed or impact-loaded, or when the part is machined in volume.

1132 QT-28-32HRCChoose it when strength drives the design.

1132 QT-22-26HRC vs 1132 QT-28-32HRC: properties

1132 QT-22-26HRC1132 QT-28-32HRC

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

820 MPa119 ksi
950 MPa138 ksi

Yield Strength (0.2% offset)

650 MPa94.3 ksi
780 MPa113 ksi

Elongation at Break

17%
14%

Reduction in Area

50%
45%

Compressive Strength

650 MPa94.3 ksi
780 MPa113 ksi

Shear Strength

500 MPa72.5 ksi
575 MPa83.4 ksi

Fatigue Strength (Endurance Limit)

360 MPa52.2 ksi
420 MPa60.9 ksi

Fracture Toughness (K_IC)

70 MPa·√m63.7 ksi·√in
60 MPa·√m54.6 ksi·√in

Charpy V-Notch Impact (RT)

30 J22.1 ft·lbf
22 J16.2 ft·lbf

Hardness, Brinell

248 HB
293 HB

Hardness, Vickers

260 HV
305 HV

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 · Hardness, Rockwell B 89 HRB

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

48 W/m·K27.7 BTU/hr·ft·°F
47 W/m·K27.2 BTU/hr·ft·°F

Max Service Temperature (continuous)

425°C797 °F
400°C752 °F

Same in both: Specific Heat Capacity 470 J/kg·K0.11 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 11.7 µm/m·K6.5 µin/in·°F · Latent Heat of Fusion 250 J/g107 BTU/lb · Min Service Temperature -20°C-4 °F

Electrical

Conductivity and insulation.

Same in both: Electrical Conductivity 9 % IACS · Electrical Resistivity 1.8×10⁻⁷ Ω·m7.09 µΩ·in

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

62 / 100
52 / 100

Machinability Rating (AISI 1212 = 100 %)

65%
55%

Weldability

20 / 100
15 / 100

Formability (cold)

20 / 100
12 / 100

Same in both: Castability 30 / 100 · Brazeability / Solderability 55 / 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 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 scale1132

1132 QT-22-26HRC vs 1132 QT-28-32HRC — frequently asked

Is 1132 QT-28-32HRC stronger than 1132 QT-22-26HRC?

Yes. 1132 QT-28-32HRC has a typical yield strength of 780 MPa (113 ksi) against 650 MPa (94.3 ksi) for 1132 QT-22-26HRC — about 20% more. Tensile strength is 950 MPa (138 ksi) vs 820 MPa (119 ksi).

Which condition does FabDigit quote by default, QT-22-26HRC or QT-28-32HRC?

CD is the default 1132 condition in the FabDigit quote flow (neither QT-22-26HRC nor QT-28-32HRC). 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, 1132 QT-22-26HRC or 1132 QT-28-32HRC?

1132 QT-22-26HRC. Its machinability rates good (62/100) against fair (52/100) for 1132 QT-28-32HRC; for welding the order is 1132 QT-22-26HRC first (poor, 20/100) then 1132 QT-28-32HRC (poor, 15/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in 1132 QT-22-26HRC and 1132 QT-28-32HRC 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.