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Steel G32NiCrMo8-5-4 vs WC1

Steel · grade comparison

Steel G32NiCrMo8-5-4 and WC1 are both steel grades. G32NiCrMo8-5-4 is the stronger of the two: yield strength 880 MPa (128 ksi) against 305 MPa (44.2 ksi) for WC1, about 189% more; tensile strength follows at 1,020 MPa (148 ksi) vs 520 MPa (75.4 ksi). In exchange, WC1 is the more ductile: elongation 28% versus 12% for G32NiCrMo8-5-4, and G32NiCrMo8-5-4 is harder (310 HB vs 160 HB). WC1 runs hotter in service (455°C vs 350°C continuous) and WC1 conducts electricity better (8.5 % IACS vs 7.5 % IACS). On the shop floor, WC1 machines more easily (good vs poor), WC1 welds better (very good vs poor), and WC1 sits in a lower cost tier (standard, $$) than G32NiCrMo8-5-4 (premium, $$$).

G32NiCrMo8-5-4Choose it when strength drives the design.

WC1Choose it when the part is bent, formed or impact-loaded, or when the part sees heat.

G32NiCrMo8-5-4 vs WC1: properties

G32NiCrMo8-5-4WC1

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

210 GPa30.5 Msi
205 GPa29.7 Msi

Shear Modulus

81 GPa11.7 Msi
80 GPa11.6 Msi

Bulk Modulus

163 GPa23.6 Msi
160 GPa23.2 Msi

Tensile Strength (Ultimate)

1,020 MPa148 ksi
520 MPa75.4 ksi

Yield Strength (0.2% offset)

880 MPa128 ksi
305 MPa44.2 ksi

Elongation at Break

12%
28%

Reduction in Area

35%
48%

Compressive Strength

900 MPa131 ksi
300 MPa43.5 ksi

Shear Strength

620 MPa89.9 ksi
340 MPa49.3 ksi

Fatigue Strength (Endurance Limit)

450 MPa65.3 ksi
210 MPa30.5 ksi

Fracture Toughness (K_IC)

80 MPa·√m72.8 ksi·√in
130 MPa·√m118 ksi·√in

Charpy V-Notch Impact (RT)

35 J25.8 ft·lbf
50 J36.9 ft·lbf

Hardness, Brinell

310 HB
160 HB

Hardness, Rockwell C

33 HRC
—

Hardness, Vickers

325 HV
168 HV

Hardness, Rockwell B

—
84 HRB

Same in both: Poisson's Ratio 0.29

Physical

Density and transition temperatures.

Melting Point (Solidus)

1,420°C2,588 °F
1,425°C2,597 °F

Liquidus Temperature

1,490°C2,714 °F
1,505°C2,741 °F

Same in both: Density 7.85 g/cm³0.28 lb/in³

Thermal

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

Thermal Conductivity

38 W/m·K22 BTU/hr·ft·°F
42 W/m·K24.3 BTU/hr·ft·°F

Specific Heat Capacity

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

Thermal Expansion (CTE, 20–100 °C)

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

Max Service Temperature (continuous)

350°C662 °F
455°C851 °F

Min Service Temperature

-40°C-40 °F
-29°C-20 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

7.5 % IACS
8.5 % IACS

Electrical Resistivity

2.3×10⁻⁷ Ω·m9.06 µΩ·in
2×10⁻⁷ Ω·m7.87 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.6 V
-0.61 V

Same in both: Corrosion Resistance 12 / 100

Manufacturability

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

Machinability

32 / 100
58 / 100

Machinability Rating (AISI 1212 = 100 %)

40%
60%

Weldability

30 / 100
70 / 100

Formability (cold)

8 / 100
20 / 100

Castability

60 / 100
70 / 100

Brazeability / Solderability

40 / 100
55 / 100

Polishability

65 / 100
50 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Water

60 L/kg7.2 gal/lb
55 L/kg6.6 gal/lb

Typical Recycled Content

65%
80%

Same in both: Embodied Energy (primary production) 26 MJ/kg11,178 BTU/lb · Embodied Carbon (primary production) 2.1 kg CO₂/kg

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

130 kN·m/kg
66 kN·m/kg

Specific Stiffness (E / density)

26.8 MN·m/kg
26.1 MN·m/kg

Modulus of Resilience

1,844 kJ/m³
227 kJ/m³

Thermal Diffusivity

10.5 mm²/s
11.4 mm²/s

Thermal Shock Resistance Index

15
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 scaleWC1G32NiCrMo8-5-4

Manufacturing and finishing

CapabilityG32NiCrMo8-5-4WC1
Default condition——
Relative cost$$$ Premium$$ Standard
Min. machined wall——
Best machined surface——

Both take the same 9 finishes: Copper Plating, Electroless Nickel (EN), Epoxy Coating, Gold Plating, Hard Chrome Plating, Manganese Phosphate, Plasma Spray, Silver Plating, Zinc Phosphate.

G32NiCrMo8-5-4 vs WC1 — frequently asked

Is G32NiCrMo8-5-4 stronger than WC1?

Yes. G32NiCrMo8-5-4 has a typical yield strength of 880 MPa (128 ksi) against 305 MPa (44.2 ksi) for WC1 — about 189% more. Tensile strength is 1,020 MPa (148 ksi) vs 520 MPa (75.4 ksi).

Which is cheaper, G32NiCrMo8-5-4 or WC1?

WC1 is the lower-cost material: it sits in the standard tier ($$) while G32NiCrMo8-5-4 is premium ($$$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

Which is easier to machine, G32NiCrMo8-5-4 or WC1?

WC1. Its machinability rates good (58/100) against poor (32/100) for G32NiCrMo8-5-4; for welding the order is WC1 first (very good, 70/100) then G32NiCrMo8-5-4 (poor, 30/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in G32NiCrMo8-5-4 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.