FabDigit

65Mn vs 1065 and 2 more: properties

65Mn106510751095

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

206 GPa29.9 Msi
205 GPa29.7 Msi
205 GPa29.7 Msi
205 GPa29.7 Msi

Shear Modulus

79 GPa11.5 Msi
80 GPa11.6 Msi
80 GPa11.6 Msi
80 GPa11.6 Msi

Tensile Strength (Ultimate)

760 MPa110 ksi
670 MPa97.2 ksi
830 MPa120 ksi
655 MPa95 ksi

Yield Strength (0.2% offset)

440 MPa63.8 ksi
380 MPa55.1 ksi
470 MPa68.2 ksi
380 MPa55.1 ksi

Elongation at Break

16%
12%
11%
13%

Reduction in Area

40%
30%
20%
40%

Shear Strength

480 MPa69.6 ksi
430 MPa62.4 ksi
520 MPa75.4 ksi
430 MPa62.4 ksi

Fatigue Strength (Endurance Limit)

330 MPa47.9 ksi
300 MPa43.5 ksi
370 MPa53.7 ksi
300 MPa43.5 ksi

Charpy V-Notch Impact (RT)

20 J14.8 ft·lbf
10 J7.4 ft·lbf
9 J6.6 ft·lbf
6 J4.4 ft·lbf

Hardness, Brinell

215 HB
190 HB
235 HB
192 HB

Hardness, Rockwell B

95 HRB
92 HRB
99 HRB
92 HRB

Hardness, Vickers

225 HV
247 HV
200 HV

Compressive Strength

380 MPa55.1 ksi
390 MPa56.6 ksi

Fracture Toughness (K_IC)

45 MPa·√m41 ksi·√in

Same in both: Bulk Modulus 160 GPa23.2 Msi · Poisson's Ratio 0.29

Physical

Density and transition temperatures.

Melting Point (Solidus)

1,420°C2,588 °F
1,425°C2,597 °F
1,425°C2,597 °F
1,425°C2,597 °F

Liquidus Temperature

1,480°C2,696 °F
1,480°C2,696 °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

45 W/m·K26 BTU/hr·ft·°F
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

Specific Heat Capacity

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

Thermal Expansion (CTE, 20–100 °C)

11.8 µm/m·K6.6 µin/in·°F
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

Latent Heat of Fusion

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

Max Service Temperature (continuous)

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

Min Service Temperature

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

Electrical

Conductivity and insulation.

Electrical Conductivity

8.5 % IACS
9.5 % IACS
9.5 % IACS
9.6 % IACS

Electrical Resistivity

2×10⁻⁷ Ω·m7.87 µΩ·in
1.8×10⁻⁷ Ω·m7.09 µΩ·in
1.8×10⁻⁷ Ω·m7.09 µΩ·in
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
-0.61 V
-0.65 V
-0.61 V

Corrosion Resistance

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

Manufacturability

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

Machinability

50 / 100
45 / 100
38 / 100
45 / 100

Machinability Rating (AISI 1212 = 100 %)

55%
57%
40%
45%

Weldability

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

Formability (cold)

50 / 100
30 / 100
35 / 100
40 / 100

Castability

30 / 100
45 / 100
40 / 100

Brazeability / Solderability

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

Polishability

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

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

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

Embodied Carbon (primary production)

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

Embodied Water

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

Typical Recycled Content

30%
30%
28%
30%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

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

Specific Stiffness (E / density)

26.2 MN·m/kg
26.1 MN·m/kg
26.1 MN·m/kg
26.1 MN·m/kg

Modulus of Resilience

470 kJ/m³
352 kJ/m³
539 kJ/m³
352 kJ/m³

Thermal Diffusivity

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

Thermal Shock Resistance Index

14
14
17
13

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 scale10651075109565Mn

Manufacturing and finishing

Capability65Mn106510751095
Default conditionAnnealedHRHRAnnealed
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 65Mn and 1065 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.