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Steel A216 WCA vs GE240

Steel · grade comparison

Steel A216 WCA and GE240 are both steel grades. GE240 is the stronger of the two: tensile strength 480 MPa (69.6 ksi) against 455 MPa (66 ksi) for A216 WCA, about 5% more. In exchange, A216 WCA is the more ductile: elongation 31% versus 24% for GE240, and GE240 is harder (145 HB vs 130 HB).

A216 WCAChoose it when the part is bent, formed or impact-loaded.

GE240Choose it when strength drives the design.

A216 WCA vs GE240: properties

A216 WCAGE240

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

200 GPa29 Msi
210 GPa30.5 Msi

Shear Modulus

78 GPa11.3 Msi
80 GPa11.6 Msi

Tensile Strength (Ultimate)

455 MPa66 ksi
480 MPa69.6 ksi

Yield Strength (0.2% offset)

255 MPa37 ksi
265 MPa38.4 ksi

Elongation at Break

31%
24%

Reduction in Area

50%
38%

Compressive Strength

255 MPa37 ksi
265 MPa38.4 ksi

Shear Strength

285 MPa41.3 ksi
300 MPa43.5 ksi

Fatigue Strength (Endurance Limit)

200 MPa29 ksi
205 MPa29.7 ksi

Charpy V-Notch Impact (RT)

48 J35.4 ft·lbf
35 J25.8 ft·lbf

Hardness, Brinell

130 HB
145 HB

Hardness, Rockwell B

72 HRB
78 HRB

Hardness, Vickers

—
152 HV

Same in both: Bulk Modulus 160 GPa23.2 Msi · Poisson's Ratio 0.29 · Fracture Toughness (K_IC) 90 MPa·√m81.9 ksi·√in

Physical

Density and transition temperatures.

Density

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

Melting Point (Solidus)

1,425°C2,597 °F
1,470°C2,678 °F

Liquidus Temperature

1,510°C2,750 °F
1,520°C2,768 °F

Thermal

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

Thermal Conductivity

51 W/m·K29.5 BTU/hr·ft·°F
48 W/m·K27.7 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

11.7 µm/m·K6.5 µin/in·°F
12 µm/m·K6.7 µin/in·°F

Latent Heat of Fusion

247 J/g106 BTU/lb
270 J/g116 BTU/lb

Max Service Temperature (continuous)

425°C797 °F
400°C752 °F

Min Service Temperature

-29°C-20 °F
-20°C-4 °F

Same in both: Specific Heat Capacity 470 J/kg·K0.11 BTU/lb·°F

Electrical

Conductivity and insulation.

Same in both: Electrical Conductivity 10 % IACS · Electrical Resistivity 1.7×10⁻⁷ Ω·m6.69 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Same in both: Galvanic Potential (seawater, vs SCE) -0.65 V · Corrosion Resistance 10 / 100

Manufacturability

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

Machinability

68 / 100
62 / 100

Machinability Rating (AISI 1212 = 100 %)

70%
65%

Castability

72 / 100
70 / 100

Brazeability / Solderability

55 / 100
65 / 100

Polishability

40 / 100
55 / 100

Same in both: Weldability 85 / 100 · Formability (cold) 20 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

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

Embodied Carbon (primary production)

2.1 kg CO₂/kg
2 kg CO₂/kg

Embodied Water

45 L/kg5.4 gal/lb
55 L/kg6.6 gal/lb

Same in both: Typical Recycled Content 85%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

58 kN·m/kg
61 kN·m/kg

Specific Stiffness (E / density)

25.5 MN·m/kg
26.8 MN·m/kg

Modulus of Resilience

163 kJ/m³
167 kJ/m³

Thermal Diffusivity

13.9 mm²/s
13 mm²/s

Thermal Shock Resistance Index

10
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 scaleA216 WCAGE240

Manufacturing and finishing

CapabilityA216 WCAGE240
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.

A216 WCA vs GE240 — frequently asked

Is GE240 stronger than A216 WCA?

Yes. GE240 has a typical tensile strength of 480 MPa (69.6 ksi) against 455 MPa (66 ksi) for A216 WCA — about 5% more.

Which is cheaper, A216 WCA or GE240?

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 is easier to machine, A216 WCA or GE240?

A216 WCA, by a small margin. Both rate good for machinability — 68/100 against 62/100 for GE240.

Ready to make it?

Upload a CAD file and FabDigit prices the part in A216 WCA and GE240 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.