FabDigit

Steel Ingot Iron vs 50W470 vs Alloy 49 vs Alloy 79

Benchmark · 4 materials

Side-by-side benchmark of 4 steel grades.

Ingot Iron vs 50W470 and 2 more: properties

Ingot Iron50W470Alloy 49Alloy 79

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

205 GPa29.7 Msi
190 GPa27.6 Msi
150 GPa21.8 Msi
205 GPa29.7 Msi

Shear Modulus

80 GPa11.6 Msi
74 GPa10.7 Msi
58 GPa8.4 Msi
78 GPa11.3 Msi

Bulk Modulus

170 GPa24.7 Msi
160 GPa23.2 Msi
155 GPa22.5 Msi
172 GPa24.9 Msi

Poisson's Ratio

0.29
0.29
0.3
0.3

Tensile Strength (Ultimate)

275 MPa39.9 ksi
440 MPa63.8 ksi
530 MPa76.9 ksi
550 MPa79.8 ksi

Yield Strength (0.2% offset)

150 MPa21.8 ksi
310 MPa45 ksi
220 MPa31.9 ksi
270 MPa39.2 ksi

Elongation at Break

45%
30%
38%
40%

Reduction in Area

70%
65%
60%

Compressive Strength

150 MPa21.8 ksi

Shear Strength

190 MPa27.6 ksi
265 MPa38.4 ksi
350 MPa50.8 ksi
370 MPa53.7 ksi

Fatigue Strength (Endurance Limit)

165 MPa23.9 ksi
200 MPa29 ksi
240 MPa34.8 ksi
220 MPa31.9 ksi

Fracture Toughness (K_IC)

130 MPa·√m118 ksi·√in

Charpy V-Notch Impact (RT)

200 J148 ft·lbf
100 J73.8 ft·lbf
160 J118 ft·lbf

Hardness, Brinell

70 HB
152 HB
120 HB
120 HB

Hardness, Rockwell B

28 HRB
82 HRB
70 HRB
65 HRB

Hardness, Vickers

75 HV
160 HV
125 HV
125 HV

Physical

Density and transition temperatures.

Density

7.87 g/cm³0.28 lb/in³
7.7 g/cm³0.28 lb/in³
8.25 g/cm³0.3 lb/in³
8.74 g/cm³0.32 lb/in³

Melting Point (Solidus)

1,535°C2,795 °F
1,480°C2,696 °F
1,425°C2,597 °F
1,425°C2,597 °F

Liquidus Temperature

1,538°C2,800 °F
1,520°C2,768 °F
1,450°C2,642 °F
1,450°C2,642 °F

Thermal

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

Thermal Conductivity

78 W/m·K45.1 BTU/hr·ft·°F
28 W/m·K16.2 BTU/hr·ft·°F
13.5 W/m·K7.8 BTU/hr·ft·°F
30 W/m·K17.3 BTU/hr·ft·°F

Specific Heat Capacity

455 J/kg·K0.11 BTU/lb·°F
470 J/kg·K0.11 BTU/lb·°F
500 J/kg·K0.12 BTU/lb·°F
460 J/kg·K0.11 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

12 µm/m·K6.7 µin/in·°F
12 µm/m·K6.7 µin/in·°F
9.5 µm/m·K5.3 µin/in·°F
12.7 µm/m·K7.1 µin/in·°F

Latent Heat of Fusion

247 J/g106 BTU/lb
290 J/g125 BTU/lb

Max Service Temperature (continuous)

450°C842 °F
180°C356 °F
480°C896 °F
400°C752 °F

Min Service Temperature

-50°C-58 °F
-60°C-76 °F
-196°C-321 °F
-196°C-321 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

17.5 % IACS
4.1 % IACS
3.6 % IACS
3 % IACS

Electrical Resistivity

1×10⁻⁷ Ω·m3.94 µΩ·in
4.2×10⁻⁷ Ω·m16.5 µΩ·in
4.8×10⁻⁷ Ω·m18.9 µΩ·in
5.7×10⁻⁷ Ω·m22.4 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.62 V
-0.35 V
-0.2 V

Corrosion Resistance

10 / 100
20 / 100
32 / 100
50 / 100

Manufacturability

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

Machinability

45 / 100
45 / 100
35 / 100
32 / 100

Machinability Rating (AISI 1212 = 100 %)

50%
50%
35%
30%

Weldability

95 / 100
55 / 100
70 / 100
60 / 100

Formability (cold)

95 / 100
70 / 100
85 / 100
85 / 100

Castability

35 / 100
40 / 100

Brazeability / Solderability

85 / 100
70 / 100
70 / 100

Polishability

60 / 100
50 / 100
70 / 100
75 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

28 MJ/kg12,038 BTU/lb
32 MJ/kg13,758 BTU/lb
120 MJ/kg51,591 BTU/lb
115 MJ/kg49,441 BTU/lb

Embodied Carbon (primary production)

2.1 kg CO₂/kg
2.3 kg CO₂/kg
8.5 kg CO₂/kg
11 kg CO₂/kg

Embodied Water

40 L/kg4.8 gal/lb
60 L/kg7.2 gal/lb
300 L/kg35.9 gal/lb
400 L/kg47.9 gal/lb

Typical Recycled Content

15%
25%
30%
25%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

35 kN·m/kg
57 kN·m/kg
64 kN·m/kg
63 kN·m/kg

Specific Stiffness (E / density)

26 MN·m/kg
24.7 MN·m/kg
18.2 MN·m/kg
23.5 MN·m/kg

Modulus of Resilience

55 kJ/m³
253 kJ/m³
161 kJ/m³
178 kJ/m³

Thermal Diffusivity

21.8 mm²/s
7.7 mm²/s
3.3 mm²/s
7.5 mm²/s

Thermal Shock Resistance Index

9
5
5
6

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 scale50W470Alloy 49Alloy 79Ingot Iron

Manufacturing and finishing

CapabilityIngot Iron50W470Alloy 49Alloy 79
Sheet metalYes
Default conditionFinal Annealed
Relative cost$$ Standard$$ Standard$$$$ High$$$$ High
Min. machined wall
Best machined surface
Black OxideYes
CerakoteYes
Chrome PlatingYes
E-CoatingYes
Hot-Dip GalvanizingYes
Nickel PlatingYes
PTFE CoatingYes
PaintingYes
Powder CoatingYes
Tin PlatingYes
Zinc PlatingYes
Zinc-Flake (Dip-Spin) CoatingYes
Zinc-Nickel PlatingYes

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 Ingot Iron and 50W470 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.