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Steel A352 LCC vs GS240

Steel · grade comparison

Steel A352 LCC and GS240 are both steel grades. A352 LCC is the stronger of the two: yield strength 315 MPa (45.7 ksi) against 265 MPa (38.4 ksi) for GS240, about 19% more; tensile strength follows at 525 MPa (76.1 ksi) vs 480 MPa (69.6 ksi). A352 LCC is the more ductile: elongation 26% versus 23% for GS240.

A352 LCCChoose it when strength drives the design, or when the part is bent, formed or impact-loaded.

A352 LCC vs GS240: properties

A352 LCCGS240

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

202 GPa29.3 Msi
210 GPa30.5 Msi

Shear Modulus

79 GPa11.5 Msi
81 GPa11.7 Msi

Tensile Strength (Ultimate)

525 MPa76.1 ksi
480 MPa69.6 ksi

Yield Strength (0.2% offset)

315 MPa45.7 ksi
265 MPa38.4 ksi

Elongation at Break

26%
23%

Compressive Strength

320 MPa46.4 ksi
265 MPa38.4 ksi

Shear Strength

380 MPa55.1 ksi
320 MPa46.4 ksi

Fatigue Strength (Endurance Limit)

230 MPa33.4 ksi
200 MPa29 ksi

Fracture Toughness (K_IC)

100 MPa·√m91 ksi·√in
90 MPa·√m81.9 ksi·√in

Charpy V-Notch Impact (RT)

60 J44.3 ft·lbf
40 J29.5 ft·lbf

Hardness, Brinell

155 HB
150 HB

Hardness, Rockwell B

84 HRB
80 HRB

Hardness, Vickers

—
158 HV

Same in both: Bulk Modulus 160 GPa23.2 Msi · Poisson's Ratio 0.29 · Reduction in Area 45%

Physical

Density and transition temperatures.

Same in both: Density 7.85 g/cm³0.28 lb/in³ · Melting Point (Solidus) 1,425°C2,597 °F · Liquidus Temperature 1,505°C2,741 °F

Thermal

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

Specific Heat Capacity

486 J/kg·K0.12 BTU/lb·°F
470 J/kg·K0.11 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

11.9 µm/m·K6.6 µin/in·°F
12 µm/m·K6.7 µin/in·°F

Max Service Temperature (continuous)

425°C797 °F
400°C752 °F

Min Service Temperature

-46°C-51 °F
-20°C-4 °F

Same in both: Thermal Conductivity 50 W/m·K28.9 BTU/hr·ft·°F · Latent Heat of Fusion 270 J/g116 BTU/lb

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).

Galvanic Potential (seawater, vs SCE)

-0.62 V
-0.61 V

Corrosion Resistance

12 / 100
10 / 100

Manufacturability

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

Machinability

63 / 100
62 / 100

Machinability Rating (AISI 1212 = 100 %)

72%
65%

Weldability

80 / 100
85 / 100

Formability (cold)

20 / 100
25 / 100

Castability

75 / 100
72 / 100

Brazeability / Solderability

60 / 100
70 / 100

Polishability

45 / 100
55 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 24 MJ/kg10,318 BTU/lb · Embodied Carbon (primary production) 1.9 kg CO₂/kg · Embodied Water 45 L/kg5.4 gal/lb · Typical Recycled Content 85%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

67 kN·m/kg
61 kN·m/kg

Specific Stiffness (E / density)

25.7 MN·m/kg
26.8 MN·m/kg

Modulus of Resilience

246 kJ/m³
167 kJ/m³

Thermal Diffusivity

13.1 mm²/s
13.6 mm²/s

Thermal Shock Resistance Index

11
10

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 scaleA352 LCCGS240

Manufacturing and finishing

CapabilityA352 LCCGS240
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.

A352 LCC vs GS240 — frequently asked

Is A352 LCC stronger than GS240?

Yes. A352 LCC has a typical yield strength of 315 MPa (45.7 ksi) against 265 MPa (38.4 ksi) for GS240 — about 19% more. Tensile strength is 525 MPa (76.1 ksi) vs 480 MPa (69.6 ksi).

Which is cheaper, A352 LCC or GS240?

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, A352 LCC or GS240?

GS240. Its weldability rates excellent (85/100) against very good (80/100) for A352 LCC.

Ready to make it?

Upload a CAD file and FabDigit prices the part in A352 LCC and GS240 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.