FabDigit

1065 vs 1075 and 2 more: properties

1065107510951080

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

670 MPa97.2 ksi
830 MPa120 ksi
655 MPa95 ksi
965 MPa140 ksi

Yield Strength (0.2% offset)

380 MPa55.1 ksi
470 MPa68.2 ksi
380 MPa55.1 ksi
585 MPa84.8 ksi

Elongation at Break

12%
11%
13%
12%

Reduction in Area

30%
20%
40%
17%

Compressive Strength

380 MPa55.1 ksi
390 MPa56.6 ksi
585 MPa84.8 ksi

Shear Strength

430 MPa62.4 ksi
520 MPa75.4 ksi
430 MPa62.4 ksi
640 MPa92.8 ksi

Fatigue Strength (Endurance Limit)

300 MPa43.5 ksi
370 MPa53.7 ksi
300 MPa43.5 ksi
430 MPa62.4 ksi

Fracture Toughness (K_IC)

45 MPa·√m41 ksi·√in

Charpy V-Notch Impact (RT)

10 J7.4 ft·lbf
9 J6.6 ft·lbf
6 J4.4 ft·lbf
8 J5.9 ft·lbf

Hardness, Brinell

190 HB
235 HB
192 HB
293 HB

Hardness, Rockwell B

92 HRB
99 HRB
92 HRB

Hardness, Vickers

247 HV
200 HV
307 HV

Hardness, Rockwell C

31 HRC

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.

Melting Point (Solidus)

1,425°C2,597 °F
1,425°C2,597 °F
1,425°C2,597 °F
1,385°C2,525 °F

Liquidus Temperature

1,480°C2,696 °F
1,470°C2,678 °F
1,470°C2,678 °F
1,470°C2,678 °F

Same in both: Density 7.85 g/cm³0.28 lb/in³

Thermal

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

Thermal Conductivity

49 W/m·K28.3 BTU/hr·ft·°F
48 W/m·K27.7 BTU/hr·ft·°F
46.7 W/m·K27 BTU/hr·ft·°F
48 W/m·K27.7 BTU/hr·ft·°F

Specific Heat Capacity

470 J/kg·K0.11 BTU/lb·°F
475 J/kg·K0.11 BTU/lb·°F
470 J/kg·K0.11 BTU/lb·°F
475 J/kg·K0.11 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

11.3 µm/m·K6.3 µin/in·°F
11.5 µm/m·K6.4 µin/in·°F
11.4 µm/m·K6.3 µin/in·°F
11.3 µm/m·K6.3 µin/in·°F

Latent Heat of Fusion

247 J/g106 BTU/lb
250 J/g107 BTU/lb
250 J/g107 BTU/lb
247 J/g106 BTU/lb

Max Service Temperature (continuous)

350°C662 °F
300°C572 °F
400°C752 °F
400°C752 °F

Min Service Temperature

-20°C-4 °F
-30°C-22 °F
-20°C-4 °F
-20°C-4 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

9.5 % IACS
9.5 % IACS
9.6 % IACS
9.5 % IACS

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

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.61 V
-0.65 V
-0.61 V
-0.6 V

Corrosion Resistance

10 / 100
8 / 100
8 / 100
10 / 100

Manufacturability

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

Machinability

45 / 100
38 / 100
45 / 100
35 / 100

Machinability Rating (AISI 1212 = 100 %)

57%
40%
45%
45%

Weldability

25 / 100
18 / 100
15 / 100
20 / 100

Formability (cold)

30 / 100
35 / 100
40 / 100
25 / 100

Castability

45 / 100
40 / 100

Brazeability / Solderability

55 / 100
45 / 100
60 / 100
55 / 100

Polishability

65 / 100
70 / 100
75 / 100
65 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

25 MJ/kg10,748 BTU/lb
25 MJ/kg10,748 BTU/lb
26 MJ/kg11,178 BTU/lb
25 MJ/kg10,748 BTU/lb

Embodied Carbon (primary production)

1.9 kg CO₂/kg
1.9 kg CO₂/kg
2 kg CO₂/kg
2 kg CO₂/kg

Embodied Water

30 L/kg3.6 gal/lb
40 L/kg4.8 gal/lb
45 L/kg5.4 gal/lb
50 L/kg6 gal/lb

Typical Recycled Content

30%
28%
30%
30%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

85 kN·m/kg
106 kN·m/kg
83 kN·m/kg
123 kN·m/kg

Modulus of Resilience

352 kJ/m³
539 kJ/m³
352 kJ/m³
835 kJ/m³

Thermal Diffusivity

13.3 mm²/s
12.9 mm²/s
12.7 mm²/s
12.9 mm²/s

Thermal Shock Resistance Index

14
17
13
20

Same in both: Specific Stiffness (E / density) 26.1 MN·m/kg

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 scale1065107510951080

Manufacturing and finishing

Capability1065107510951080
Default conditionHRHRAnnealedHR
Relative cost$$ Standard$$ Standard$$ Standard$$ Standard
Min. machined wall0.8 mm0.8 mm0.8 mm0.8 mm
Best machined surfaceRa 1.6 µmRa 1.6 µmRa 1.6 µmRa 1.6 µm

Both are offered for CNC machining and Sheet metal. Both take the same 38 finishes: AlCrN, AlTiN, Black Oxide, CVD Al2O3, CVD TiCN, CVD TiN, Cerakote, Chrome Plating, Copper Plating, CrN, DLC, E-Coating and 26 more.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 1065 and 1075 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.