FabDigit

2083 vs 420 Mod Mold and 2 more: properties

2083420 Mod Mold2316P20

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

215 GPa31.2 Msi
200 GPa29 Msi
215 GPa31.2 Msi
205 GPa29.7 Msi

Shear Modulus

82 GPa11.9 Msi
78 GPa11.3 Msi
82 GPa11.9 Msi
80 GPa11.6 Msi

Poisson's Ratio

0.28
0.29
0.29
0.29

Tensile Strength (Ultimate)

760 MPa110 ksi
760 MPa110 ksi
780 MPa113 ksi
700 MPa102 ksi

Yield Strength (0.2% offset)

480 MPa69.6 ksi
470 MPa68.2 ksi
520 MPa75.4 ksi
440 MPa63.8 ksi

Elongation at Break

16%
19%
18%
20%

Reduction in Area

40%
50%
40%
55%

Compressive Strength

500 MPa72.5 ksi
500 MPa72.5 ksi
900 MPa131 ksi
900 MPa131 ksi

Shear Strength

460 MPa66.7 ksi
460 MPa66.7 ksi
620 MPa89.9 ksi
620 MPa89.9 ksi

Fatigue Strength (Endurance Limit)

360 MPa52.2 ksi
350 MPa50.8 ksi
450 MPa65.3 ksi
460 MPa66.7 ksi

Charpy V-Notch Impact (RT)

20 J14.8 ft·lbf
30 J22.1 ft·lbf
40 J29.5 ft·lbf
45 J33.2 ft·lbf

Hardness, Brinell

230 HB
220 HB
235 HB
200 HB

Hardness, Vickers

240 HV
230 HV
245 HV
315 HV

Hardness, Rockwell B

97 HRB
93 HRB

Fracture Toughness (K_IC)

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

Hardness, Rockwell C

21 HRC
31 HRC

Same in both: Bulk Modulus 160 GPa23.2 Msi

Physical

Density and transition temperatures.

Density

7.7 g/cm³0.28 lb/in³
7.75 g/cm³0.28 lb/in³
7.7 g/cm³0.28 lb/in³
7.8 g/cm³0.28 lb/in³

Melting Point (Solidus)

1,450°C2,642 °F
1,425°C2,597 °F
1,420°C2,588 °F
1,420°C2,588 °F

Liquidus Temperature

1,510°C2,750 °F
1,480°C2,696 °F
1,480°C2,696 °F
1,480°C2,696 °F

Thermal

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

Thermal Conductivity

25 W/m·K14.4 BTU/hr·ft·°F
24 W/m·K13.9 BTU/hr·ft·°F
20 W/m·K11.6 BTU/hr·ft·°F
32 W/m·K18.5 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

10.6 µm/m·K5.9 µin/in·°F
10.5 µm/m·K5.8 µin/in·°F
10.5 µm/m·K5.8 µin/in·°F
12.4 µm/m·K6.9 µin/in·°F

Max Service Temperature (continuous)

400°C752 °F
400°C752 °F
400°C752 °F
450°C842 °F

Min Service Temperature

-20°C-4 °F
-40°C-40 °F
-20°C-4 °F
-20°C-4 °F

Latent Heat of Fusion

260 J/g112 BTU/lb
270 J/g116 BTU/lb
250 J/g107 BTU/lb

Same in both: Specific Heat Capacity 460 J/kg·K0.11 BTU/lb·°F

Electrical

Conductivity and insulation.

Electrical Resistivity

5.5×10⁻⁷ Ω·m21.7 µΩ·in
5.5×10⁻⁷ Ω·m21.7 µΩ·in
6.5×10⁻⁷ Ω·m25.6 µΩ·in
2.2×10⁻⁷ Ω·m8.66 µΩ·in

Electrical Conductivity

3.1 % IACS
2.7 % IACS

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.25 V
-0.35 V
-0.3 V
-0.6 V

Corrosion Resistance

42 / 100
45 / 100
45 / 100
15 / 100

Manufacturability

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

Machinability

40 / 100
45 / 100
50 / 100
65 / 100

Machinability Rating (AISI 1212 = 100 %)

45%
45%
55%
75%

Weldability

25 / 100
25 / 100
30 / 100
50 / 100

Formability (cold)

20 / 100
35 / 100
15 / 100
30 / 100

Polishability

85 / 100
90 / 100
45 / 100
55 / 100

Brazeability / Solderability

40 / 100
30 / 100
40 / 100

Castability

25 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

36 MJ/kg15,477 BTU/lb
52 MJ/kg22,356 BTU/lb
42 MJ/kg18,057 BTU/lb
32 MJ/kg13,758 BTU/lb

Embodied Carbon (primary production)

2.9 kg CO₂/kg
3.6 kg CO₂/kg
3.4 kg CO₂/kg
2.2 kg CO₂/kg

Embodied Water

60 L/kg7.2 gal/lb
95 L/kg11.4 gal/lb
80 L/kg9.6 gal/lb
60 L/kg7.2 gal/lb

Typical Recycled Content

40%
60%
45%
40%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

99 kN·m/kg
98 kN·m/kg
101 kN·m/kg
90 kN·m/kg

Specific Stiffness (E / density)

27.9 MN·m/kg
25.8 MN·m/kg
27.9 MN·m/kg
26.3 MN·m/kg

Modulus of Resilience

536 kJ/m³
552 kJ/m³
629 kJ/m³
472 kJ/m³

Thermal Diffusivity

7.1 mm²/s
6.7 mm²/s
5.6 mm²/s
8.9 mm²/s

Thermal Shock Resistance Index

8
9
7
9

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 scaleP20420 Mod Mold23162083

Manufacturing and finishing

Capability2083420 Mod Mold2316P20
Default conditionAnnealedAnnealedAnnealedAnnealed
Relative cost$$ Standard$$ Standard$$ Standard$$$$$ Specialty
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. 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 2083 and 420 Mod Mold 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.