FabDigit

38Mn6 vs 1030 and 2 more: properties

38Mn6103010351040

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

210 GPa30.5 Msi
205 GPa29.7 Msi
205 GPa29.7 Msi
205 GPa29.7 Msi

Tensile Strength (Ultimate)

800 MPa116 ksi
470 MPa68.2 ksi
585 MPa84.8 ksi
620 MPa89.9 ksi

Yield Strength (0.2% offset)

510 MPa74 ksi
260 MPa37.7 ksi
320 MPa46.4 ksi
415 MPa60.2 ksi

Elongation at Break

16%
20%
18%
25%

Reduction in Area

45%
42%
40%
50%

Compressive Strength

520 MPa75.4 ksi
260 MPa37.7 ksi
320 MPa46.4 ksi
415 MPa60.2 ksi

Shear Strength

480 MPa69.6 ksi
300 MPa43.5 ksi
360 MPa52.2 ksi
385 MPa55.8 ksi

Fatigue Strength (Endurance Limit)

380 MPa55.1 ksi
230 MPa33.4 ksi
260 MPa37.7 ksi
290 MPa42.1 ksi

Fracture Toughness (K_IC)

65 MPa·√m59.2 ksi·√in
55 MPa·√m50.1 ksi·√in
60 MPa·√m54.6 ksi·√in
55 MPa·√m50.1 ksi·√in

Charpy V-Notch Impact (RT)

35 J25.8 ft·lbf
40 J29.5 ft·lbf
55 J40.6 ft·lbf
45 J33.2 ft·lbf

Hardness, Brinell

240 HB
137 HB
163 HB
201 HB

Hardness, Rockwell C

22 HRC

Hardness, Vickers

252 HV
170 HV
210 HV

Hardness, Rockwell B

75 HRB
85 HRB
93 HRB

Same in both: 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)

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

Liquidus Temperature

1,490°C2,714 °F
1,510°C2,750 °F
1,500°C2,732 °F
1,495°C2,723 °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

43 W/m·K24.8 BTU/hr·ft·°F
51.9 W/m·K30 BTU/hr·ft·°F
49 W/m·K28.3 BTU/hr·ft·°F
51 W/m·K29.5 BTU/hr·ft·°F

Specific Heat Capacity

470 J/kg·K0.11 BTU/lb·°F
486 J/kg·K0.12 BTU/lb·°F
486 J/kg·K0.12 BTU/lb·°F
486 J/kg·K0.12 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

12.3 µm/m·K6.8 µin/in·°F
11.7 µm/m·K6.5 µin/in·°F
11.9 µm/m·K6.6 µin/in·°F
11.5 µm/m·K6.4 µin/in·°F

Latent Heat of Fusion

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

Max Service Temperature (continuous)

350°C662 °F
400°C752 °F
425°C797 °F
425°C797 °F

Same in both: Min Service Temperature -20°C-4 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

8 % IACS
10 % IACS
10.8 % IACS
10 % IACS

Electrical Resistivity

2.2×10⁻⁷ Ω·m8.66 µΩ·in
1.7×10⁻⁷ Ω·m6.69 µΩ·in
1.6×10⁻⁷ Ω·m6.3 µΩ·in
1.71×10⁻⁷ Ω·m6.73 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

52 / 100
55 / 100
60 / 100
55 / 100

Machinability Rating (AISI 1212 = 100 %)

55%
65%
65%
60%

Weldability

40 / 100
62 / 100
55 / 100
45 / 100

Formability (cold)

30 / 100
50 / 100
50 / 100
45 / 100

Brazeability / Solderability

60 / 100
70 / 100
65 / 100
60 / 100

Polishability

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

Castability

45 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

25 MJ/kg10,533 BTU/lb
25 MJ/kg10,748 BTU/lb
25 MJ/kg10,748 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
2.1 kg CO₂/kg

Embodied Water

60 L/kg7.2 gal/lb
40 L/kg4.8 gal/lb
45 L/kg5.4 gal/lb
50 L/kg6 gal/lb

Typical Recycled Content

30%
30%
30%
25%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

102 kN·m/kg
60 kN·m/kg
75 kN·m/kg
79 kN·m/kg

Specific Stiffness (E / density)

26.8 MN·m/kg
26.1 MN·m/kg
26.1 MN·m/kg
26.1 MN·m/kg

Modulus of Resilience

619 kJ/m³
165 kJ/m³
250 kJ/m³
420 kJ/m³

Thermal Diffusivity

11.7 mm²/s
13.6 mm²/s
12.8 mm²/s
13.4 mm²/s

Thermal Shock Resistance Index

13
10
12
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 scale10301035104038Mn6

Manufacturing and finishing

Capability38Mn6103010351040
CNC machiningYesYesYes
Sheet metalYesYesYes
Default conditionHRHRHR
Relative cost$ Budget$ Budget$ Budget$ Budget
Min. machined wall0.8 mm0.8 mm0.8 mm
Best machined surfaceRa 1.6 µmRa 1.6 µmRa 1.6 µm
AlCrNYesYesYes
AlTiNYesYesYes
Black OxideYesYesYes
CVD Al2O3YesYesYes
CVD TiCNYesYesYes
CVD TiNYesYesYes
CerakoteYesYesYes
Chrome PlatingYesYesYes
CrNYesYesYes
DLCYesYesYes
E-CoatingYesYesYes
HVOF CoatingYesYesYes
Hot-Dip GalvanizingYesYesYes
MoS2YesYesYes
Multilayer CVDYesYesYes
Nickel PlatingYesYesYes
PTFE CoatingYesYesYes
PaintingYesYesYes

They share 9 finishes: Copper Plating, Electroless Nickel (EN), Epoxy Coating, Gold Plating, Hard Chrome Plating, Manganese Phosphate, Plasma Spray, Silver Plating, Zinc Phosphate.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 38Mn6 and 1030 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.