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Steel A356 Grade 2 vs WC1

Steel · grade comparison

Steel A356 Grade 2 and WC1 are both steel grades. Both yield at about 305 MPa — strength does not separate them.

A356 Grade 2 vs WC1: properties

A356 Grade 2WC1

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Shear Modulus

79 GPa11.5 Msi
80 GPa11.6 Msi

Tensile Strength (Ultimate)

525 MPa76.1 ksi
520 MPa75.4 ksi

Elongation at Break

26%
28%

Compressive Strength

305 MPa44.2 ksi
300 MPa43.5 ksi

Shear Strength

320 MPa46.4 ksi
340 MPa49.3 ksi

Fatigue Strength (Endurance Limit)

230 MPa33.4 ksi
210 MPa30.5 ksi

Fracture Toughness (K_IC)

110 MPa·√m100 ksi·√in
130 MPa·√m118 ksi·√in

Hardness, Brinell

155 HB
160 HB

Hardness, Rockwell B

82 HRB
84 HRB

Hardness, Vickers

163 HV
168 HV

Same in both: Elastic (Young's) Modulus 205 GPa29.7 Msi · Bulk Modulus 160 GPa23.2 Msi · Poisson's Ratio 0.29 · Yield Strength (0.2% offset) 305 MPa44.2 ksi · Reduction in Area 48% · Charpy V-Notch Impact (RT) 50 J36.9 ft·lbf

Physical

Density and transition temperatures.

Melting Point (Solidus)

1,440°C2,624 °F
1,425°C2,597 °F

Same in both: Density 7.85 g/cm³0.28 lb/in³ · Liquidus Temperature 1,505°C2,741 °F

Thermal

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

Max Service Temperature (continuous)

470°C878 °F
455°C851 °F

Same in both: Thermal Conductivity 42 W/m·K24.3 BTU/hr·ft·°F · Specific Heat Capacity 470 J/kg·K0.11 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 12.2 µm/m·K6.8 µin/in·°F · Latent Heat of Fusion 270 J/g116 BTU/lb · Min Service Temperature -29°C-20 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

9 % IACS
8.5 % IACS

Electrical Resistivity

1.9×10⁻⁷ Ω·m7.48 µΩ·in
2×10⁻⁷ Ω·m7.87 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.63 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

55 / 100
58 / 100

Weldability

65 / 100
70 / 100

Formability (cold)

15 / 100
20 / 100

Castability

72 / 100
70 / 100

Polishability

45 / 100
50 / 100

Same in both: Machinability Rating (AISI 1212 = 100 %) 60% · Brazeability / Solderability 55 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

30 MJ/kg12,898 BTU/lb
26 MJ/kg11,178 BTU/lb

Embodied Carbon (primary production)

2.2 kg CO₂/kg
2.1 kg CO₂/kg

Same in both: Embodied Water 55 L/kg6.6 gal/lb · Typical Recycled Content 80%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

67 kN·m/kg
66 kN·m/kg

Same in both: Specific Stiffness (E / density) 26.1 MN·m/kg · Modulus of Resilience 227 kJ/m³ · Thermal Diffusivity 11.4 mm²/s · Thermal Shock Resistance Index 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 scaleWC1A356 Grade 2

Manufacturing and finishing

CapabilityA356 Grade 2WC1
Default condition——
Relative cost$$ Standard$$ 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.

A356 Grade 2 vs WC1 — frequently asked

What is the difference between A356 Grade 2 and WC1?

Steel A356 Grade 2 and WC1 are both steel grades. Both yield at about 305 MPa — strength does not separate them.

Which is cheaper, A356 Grade 2 or WC1?

Both sit in the same relative cost tier ($$, standard); the part price will be decided by machining time, tolerance and quantity rather than by the material.

Which welds better, A356 Grade 2 or WC1?

WC1. Its weldability rates very good (70/100) against good (65/100) for A356 Grade 2.

Ready to make it?

Upload a CAD file and FabDigit prices the part in A356 Grade 2 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.