FabDigit

S50C vs 1030 and 2 more: properties

S50C103010351040

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

748 MPa108 ksi
470 MPa68.2 ksi
585 MPa84.8 ksi
620 MPa89.9 ksi

Yield Strength (0.2% offset)

427 MPa61.9 ksi
260 MPa37.7 ksi
320 MPa46.4 ksi
415 MPa60.2 ksi

Elongation at Break

20%
20%
18%
25%

Reduction in Area

40%
42%
40%
50%

Compressive Strength

430 MPa62.4 ksi
260 MPa37.7 ksi
320 MPa46.4 ksi
415 MPa60.2 ksi

Shear Strength

450 MPa65.3 ksi
300 MPa43.5 ksi
360 MPa52.2 ksi
385 MPa55.8 ksi

Fatigue Strength (Endurance Limit)

330 MPa47.9 ksi
230 MPa33.4 ksi
260 MPa37.7 ksi
290 MPa42.1 ksi

Fracture Toughness (K_IC)

50 MPa·√m45.5 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)

25 J18.4 ft·lbf
40 J29.5 ft·lbf
55 J40.6 ft·lbf
45 J33.2 ft·lbf

Hardness, Brinell

217 HB
137 HB
163 HB
201 HB

Hardness, Rockwell B

96 HRB
75 HRB
85 HRB
93 HRB

Hardness, Vickers

228 HV
170 HV
210 HV

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.

Liquidus Temperature

1,480°C2,696 °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 · Melting Point (Solidus) 1,425°C2,597 °F

Thermal

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

Thermal Conductivity

49 W/m·K28.3 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

Thermal Expansion (CTE, 20–100 °C)

11.7 µm/m·K6.5 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: Specific Heat Capacity 486 J/kg·K0.12 BTU/lb·°F · Min Service Temperature -20°C-4 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

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

Electrical Resistivity

1.7×10⁻⁷ Ω·m6.69 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).

Corrosion Resistance

12 / 100
10 / 100
10 / 100
10 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.61 V

Manufacturability

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

Machinability

50 / 100
55 / 100
60 / 100
55 / 100

Machinability Rating (AISI 1212 = 100 %)

50%
65%
65%
60%

Weldability

35 / 100
62 / 100
55 / 100
45 / 100

Formability (cold)

35 / 100
50 / 100
50 / 100
45 / 100

Castability

55 / 100
45 / 100

Brazeability / Solderability

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

Polishability

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

Sustainability

Primary-production footprint per kilogram.

Embodied Carbon (primary production)

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

Embodied Water

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

Typical Recycled Content

25%
30%
30%
25%

Same in both: Embodied Energy (primary production) 25 MJ/kg10,748 BTU/lb

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

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

Modulus of Resilience

445 kJ/m³
165 kJ/m³
250 kJ/m³
420 kJ/m³

Thermal Diffusivity

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

Thermal Shock Resistance Index

15
10
12
13

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 scale103010351040S50C

Manufacturing and finishing

CapabilityS50C103010351040
Default conditionNormalizedHRHRHR
Relative cost$ Budget$ Budget$ Budget$ Budget
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 S50C 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.