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Steel GX23CrMoV12-1 vs WC4

Steel · grade comparison

Steel GX23CrMoV12-1 and WC4 are both steel grades. GX23CrMoV12-1 is the stronger of the two: yield strength 580 MPa (84.1 ksi) against 335 MPa (48.6 ksi) for WC4, about 73% more; tensile strength follows at 800 MPa (116 ksi) vs 545 MPa (79 ksi). In exchange, WC4 is the more ductile: elongation 24% versus 17% for GX23CrMoV12-1, and GX23CrMoV12-1 is harder (250 HB vs 163 HB). GX23CrMoV12-1 is stiffer (216 GPa vs 200 GPa) and WC4 conducts heat better (42 W/m·K vs 24 W/m·K). On the shop floor, WC4 machines more easily (good vs poor), WC4 welds better (good vs poor), and WC4 sits in a lower cost tier (standard, $$) than GX23CrMoV12-1 (premium, $$$).

GX23CrMoV12-1Choose it when strength drives the design.

WC4Choose it when the part is bent, formed or impact-loaded, or when the part is machined in volume.

GX23CrMoV12-1 vs WC4: properties

GX23CrMoV12-1WC4

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

216 GPa31.3 Msi
200 GPa29 Msi

Shear Modulus

83 GPa12 Msi
78 GPa11.3 Msi

Bulk Modulus

170 GPa24.7 Msi
160 GPa23.2 Msi

Tensile Strength (Ultimate)

800 MPa116 ksi
545 MPa79 ksi

Yield Strength (0.2% offset)

580 MPa84.1 ksi
335 MPa48.6 ksi

Elongation at Break

17%
24%

Reduction in Area

45%
50%

Compressive Strength

580 MPa84.1 ksi
340 MPa49.3 ksi

Shear Strength

480 MPa69.6 ksi
340 MPa49.3 ksi

Fatigue Strength (Endurance Limit)

350 MPa50.8 ksi
235 MPa34.1 ksi

Fracture Toughness (K_IC)

80 MPa·√m72.8 ksi·√in
120 MPa·√m109 ksi·√in

Charpy V-Notch Impact (RT)

32 J23.6 ft·lbf
48 J35.4 ft·lbf

Hardness, Brinell

250 HB
163 HB

Hardness, Rockwell C

24 HRC
—

Hardness, Vickers

262 HV
—

Hardness, Rockwell B

—
85 HRB

Same in both: Poisson's Ratio 0.29

Physical

Density and transition temperatures.

Density

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

Melting Point (Solidus)

1,450°C2,642 °F
1,425°C2,597 °F

Liquidus Temperature

1,505°C2,741 °F
1,500°C2,732 °F

Thermal

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

Thermal Conductivity

24 W/m·K13.9 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)

10.5 µm/m·K5.8 µin/in·°F
12.3 µm/m·K6.8 µin/in·°F

Max Service Temperature (continuous)

550°C1,022 °F
540°C1,004 °F

Min Service Temperature

-20°C-4 °F
-29°C-20 °F

Same in both: Latent Heat of Fusion 270 J/g116 BTU/lb

Electrical

Conductivity and insulation.

Electrical Resistivity

6×10⁻⁷ Ω·m23.6 µΩ·in
2.2×10⁻⁷ Ω·m8.66 µΩ·in

Electrical Conductivity

—
7.8 % IACS

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.3 V
-0.62 V

Corrosion Resistance

52 / 100
14 / 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

32 / 100
55 / 100

Formability (cold)

10 / 100
20 / 100

Castability

60 / 100
70 / 100

Brazeability / Solderability

30 / 100
45 / 100

Polishability

62 / 100
45 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

33 MJ/kg14,187 BTU/lb
26 MJ/kg11,178 BTU/lb

Embodied Carbon (primary production)

2.5 kg CO₂/kg
2 kg CO₂/kg

Embodied Water

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

Typical Recycled Content

70%
75%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

104 kN·m/kg
70 kN·m/kg

Specific Stiffness (E / density)

28.1 MN·m/kg
25.5 MN·m/kg

Modulus of Resilience

779 kJ/m³
281 kJ/m³

Thermal Diffusivity

6.8 mm²/s
11.4 mm²/s

Thermal Shock Resistance Index

8
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 scaleWC4GX23CrMoV12-1

Manufacturing and finishing

CapabilityGX23CrMoV12-1WC4
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.

GX23CrMoV12-1 vs WC4 — frequently asked

Is GX23CrMoV12-1 stronger than WC4?

Yes. GX23CrMoV12-1 has a typical yield strength of 580 MPa (84.1 ksi) against 335 MPa (48.6 ksi) for WC4 — about 73% more. Tensile strength is 800 MPa (116 ksi) vs 545 MPa (79 ksi).

Which is cheaper, GX23CrMoV12-1 or WC4?

WC4 is the lower-cost material: it sits in the standard tier ($$) while GX23CrMoV12-1 is premium ($$$). 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, GX23CrMoV12-1 or WC4?

WC4. Its machinability rates good (58/100) against poor (32/100) for GX23CrMoV12-1; for welding the order is WC4 first (good, 55/100) then GX23CrMoV12-1 (poor, 32/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in GX23CrMoV12-1 and WC4 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.