FabDigit

CRNGO vs Silicon Steel and 2 more: properties

CRNGOSilicon Steel35W250M19

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

200 GPa29 Msi
200 GPa29 Msi
195 GPa28.3 Msi
200 GPa29 Msi

Shear Modulus

78 GPa11.3 Msi
79 GPa11.5 Msi
76 GPa11 Msi
78 GPa11.3 Msi

Poisson's Ratio

0.29
0.29
0.3
0.29

Tensile Strength (Ultimate)

470 MPa68.2 ksi
460 MPa66.7 ksi
480 MPa69.6 ksi
460 MPa66.7 ksi

Yield Strength (0.2% offset)

330 MPa47.9 ksi
320 MPa46.4 ksi
360 MPa52.2 ksi
340 MPa49.3 ksi

Elongation at Break

25%
20%
12%
25%

Reduction in Area

60%
45%

Compressive Strength

335 MPa48.6 ksi
360 MPa52.2 ksi

Shear Strength

315 MPa45.7 ksi
320 MPa46.4 ksi
330 MPa47.9 ksi
320 MPa46.4 ksi

Fatigue Strength (Endurance Limit)

230 MPa33.4 ksi
210 MPa30.5 ksi
210 MPa30.5 ksi
230 MPa33.4 ksi

Charpy V-Notch Impact (RT)

25 J18.4 ft·lbf
5 J3.7 ft·lbf

Hardness, Brinell

170 HB
170 HB
180 HB

Hardness, Rockwell B

78 HRB
87 HRB
82 HRB
72 HRB

Hardness, Vickers

180 HV
180 HV
190 HV
150 HV

Same in both: Bulk Modulus 160 GPa23.2 Msi

Physical

Density and transition temperatures.

Melting Point (Solidus)

1,500°C2,732 °F
1,500°C2,732 °F
1,490°C2,714 °F
1,480°C2,696 °F

Liquidus Temperature

1,525°C2,777 °F
1,520°C2,768 °F
1,510°C2,750 °F
1,520°C2,768 °F

Same in both: Density 7.65 g/cm³0.28 lb/in³

Thermal

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

Thermal Conductivity

25 W/m·K14.4 BTU/hr·ft·°F
22 W/m·K12.7 BTU/hr·ft·°F
24 W/m·K13.9 BTU/hr·ft·°F
25 W/m·K14.4 BTU/hr·ft·°F

Specific Heat Capacity

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

Thermal Expansion (CTE, 20–100 °C)

11.8 µm/m·K6.6 µin/in·°F
12 µm/m·K6.7 µin/in·°F
11.5 µm/m·K6.4 µin/in·°F
11.5 µm/m·K6.4 µin/in·°F

Latent Heat of Fusion

247 J/g106 BTU/lb
250 J/g107 BTU/lb
260 J/g112 BTU/lb
260 J/g112 BTU/lb

Max Service Temperature (continuous)

200°C392 °F
200°C392 °F
180°C356 °F
200°C392 °F

Same in both: Min Service Temperature -60°C-76 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

3.8 % IACS
3.6 % IACS
3.1 % IACS
3.3 % IACS

Electrical Resistivity

4.5×10⁻⁷ Ω·m17.7 µΩ·in
4.8×10⁻⁷ Ω·m18.9 µΩ·in
5.5×10⁻⁷ Ω·m21.7 µΩ·in
5.2×10⁻⁷ Ω·m20.5 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.6 V
-0.6 V
-0.6 V

Corrosion Resistance

20 / 100
13 / 100
18 / 100
15 / 100

Manufacturability

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

Machinability

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

Machinability Rating (AISI 1212 = 100 %)

50%
45%
45%
45%

Weldability

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

Formability (cold)

60 / 100
62 / 100
45 / 100
65 / 100

Brazeability / Solderability

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

Polishability

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

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

32 MJ/kg13,758 BTU/lb
34 MJ/kg14,617 BTU/lb
32 MJ/kg13,758 BTU/lb
32 MJ/kg13,758 BTU/lb

Embodied Carbon (primary production)

2.3 kg CO₂/kg
2.3 kg CO₂/kg
2.4 kg CO₂/kg
2.4 kg CO₂/kg

Embodied Water

45 L/kg5.4 gal/lb
60 L/kg7.2 gal/lb
45 L/kg5.4 gal/lb
55 L/kg6.6 gal/lb

Typical Recycled Content

20%
25%
15%
25%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

61 kN·m/kg
60 kN·m/kg
63 kN·m/kg
60 kN·m/kg

Specific Stiffness (E / density)

26.1 MN·m/kg
26.1 MN·m/kg
25.5 MN·m/kg
26.1 MN·m/kg

Modulus of Resilience

272 kJ/m³
256 kJ/m³
332 kJ/m³
289 kJ/m³

Thermal Diffusivity

7 mm²/s
6 mm²/s
6.7 mm²/s
6.8 mm²/s

Thermal Shock Resistance Index

5
4
5
5

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 scaleSilicon Steel35W250M19CRNGO

Manufacturing and finishing

CapabilityCRNGOSilicon Steel35W250M19
Default conditionAnnealedAnnealedFinal AnnealedAnnealed
Relative cost$$ Standard$$$ Premium$$ Standard$$ Standard
Min. machined wall
Best machined surface

Both are offered for Sheet metal. Both take the same 22 finishes: Black Oxide, Cerakote, Chrome Plating, Copper Plating, E-Coating, Electroless Nickel (EN), Epoxy Coating, Gold Plating, Hard Chrome Plating, Hot-Dip Galvanizing, Manganese Phosphate, Nickel Plating and 10 more.

Ready to make it?

Upload a CAD file and FabDigit prices the part in CRNGO and Silicon Steel 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.