FabDigit

35# vs WC1 and 2 more: properties

35#WC1WC4WC5

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

207 GPa30 Msi
205 GPa29.7 Msi
200 GPa29 Msi
202 GPa29.3 Msi

Shear Modulus

80 GPa11.6 Msi
80 GPa11.6 Msi
78 GPa11.3 Msi
78 GPa11.3 Msi

Tensile Strength (Ultimate)

560 MPa81.2 ksi
520 MPa75.4 ksi
545 MPa79 ksi
550 MPa79.8 ksi

Yield Strength (0.2% offset)

330 MPa47.9 ksi
305 MPa44.2 ksi
335 MPa48.6 ksi
330 MPa47.9 ksi

Elongation at Break

22%
28%
24%
24%

Reduction in Area

50%
48%
50%
45%

Shear Strength

400 MPa58 ksi
340 MPa49.3 ksi
340 MPa49.3 ksi
380 MPa55.1 ksi

Fatigue Strength (Endurance Limit)

250 MPa36.3 ksi
210 MPa30.5 ksi
235 MPa34.1 ksi
235 MPa34.1 ksi

Fracture Toughness (K_IC)

55 MPa·√m50.1 ksi·√in
130 MPa·√m118 ksi·√in
120 MPa·√m109 ksi·√in
105 MPa·√m95.6 ksi·√in

Charpy V-Notch Impact (RT)

60 J44.3 ft·lbf
50 J36.9 ft·lbf
48 J35.4 ft·lbf
55 J40.6 ft·lbf

Hardness, Brinell

160 HB
160 HB
163 HB
170 HB

Hardness, Rockwell B

83 HRB
84 HRB
85 HRB
88 HRB

Hardness, Vickers

168 HV
168 HV
178 HV

Compressive Strength

300 MPa43.5 ksi
340 MPa49.3 ksi
330 MPa47.9 ksi

Same in both: Bulk Modulus 160 GPa23.2 Msi · Poisson's Ratio 0.29

Physical

Density and transition temperatures.

Density

7.85 g/cm³0.28 lb/in³
7.85 g/cm³0.28 lb/in³
7.83 g/cm³0.28 lb/in³
7.83 g/cm³0.28 lb/in³

Liquidus Temperature

1,500°C2,732 °F
1,505°C2,741 °F
1,500°C2,732 °F
1,505°C2,741 °F

Same in both: 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
42 W/m·K24.3 BTU/hr·ft·°F
42 W/m·K24.3 BTU/hr·ft·°F
42 W/m·K24.3 BTU/hr·ft·°F

Specific Heat Capacity

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

Thermal Expansion (CTE, 20–100 °C)

11.6 µm/m·K6.4 µin/in·°F
12.2 µm/m·K6.8 µin/in·°F
12.3 µm/m·K6.8 µin/in·°F
12.2 µm/m·K6.8 µin/in·°F

Latent Heat of Fusion

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

Max Service Temperature (continuous)

400°C752 °F
455°C851 °F
540°C1,004 °F
540°C1,004 °F

Min Service Temperature

-20°C-4 °F
-29°C-20 °F
-29°C-20 °F
-30°C-22 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

10 % IACS
8.5 % IACS
7.8 % IACS
7.8 % IACS

Electrical Resistivity

1.7×10⁻⁷ Ω·m6.69 µΩ·in
2×10⁻⁷ Ω·m7.87 µΩ·in
2.2×10⁻⁷ Ω·m8.66 µΩ·in
2.2×10⁻⁷ Ω·m8.66 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.65 V
-0.61 V
-0.62 V
-0.61 V

Corrosion Resistance

11 / 100
12 / 100
14 / 100
13 / 100

Manufacturability

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

Machinability

60 / 100
58 / 100
58 / 100
55 / 100

Machinability Rating (AISI 1212 = 100 %)

65%
60%
60%
58%

Weldability

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

Formability (cold)

45 / 100
20 / 100
20 / 100
15 / 100

Castability

35 / 100
70 / 100
70 / 100
70 / 100

Brazeability / Solderability

65 / 100
55 / 100
45 / 100
45 / 100

Polishability

55 / 100
50 / 100
45 / 100
45 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

25 MJ/kg10,748 BTU/lb
26 MJ/kg11,178 BTU/lb
26 MJ/kg11,178 BTU/lb
26 MJ/kg11,178 BTU/lb

Embodied Carbon (primary production)

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

Embodied Water

40 L/kg4.8 gal/lb
55 L/kg6.6 gal/lb
55 L/kg6.6 gal/lb
55 L/kg6.6 gal/lb

Typical Recycled Content

25%
80%
75%
80%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

71 kN·m/kg
66 kN·m/kg
70 kN·m/kg
70 kN·m/kg

Specific Stiffness (E / density)

26.4 MN·m/kg
26.1 MN·m/kg
25.5 MN·m/kg
25.8 MN·m/kg

Modulus of Resilience

263 kJ/m³
227 kJ/m³
281 kJ/m³
270 kJ/m³

Thermal Diffusivity

13.1 mm²/s
11.4 mm²/s
11.4 mm²/s
11.4 mm²/s

Thermal Shock Resistance Index

11
9
9
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 scale35#WC1WC4WC5

Manufacturing and finishing

Capability35#WC1WC4WC5
CNC machiningYes
Sheet metalYes
Default conditionHR
Relative cost$ Budget$$ Standard$$ Standard$$$ Premium
Min. machined wall0.8 mm
Best machined surfaceRa 1.6 µm
AlCrNYes
AlTiNYes
Black OxideYes
CVD Al2O3Yes
CVD TiCNYes
CVD TiNYes
CerakoteYes
Chrome PlatingYes
CrNYes
DLCYes
E-CoatingYes
HVOF CoatingYes
Hot-Dip GalvanizingYes
MoS2Yes
Multilayer CVDYes
Nickel PlatingYes
PTFE CoatingYes
PaintingYes

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 35# and WC1 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.