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Steel A352 LCC vs G17Mn5

Steel · grade comparison

Steel A352 LCC and G17Mn5 are both steel grades. A352 LCC is the stronger of the two: yield strength 315 MPa (45.7 ksi) against 280 MPa (40.6 ksi) for G17Mn5, about 13% more.

A352 LCCChoose it when strength drives the design.

A352 LCC vs G17Mn5: properties

A352 LCCG17Mn5

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
80 GPa11.6 Msi

Tensile Strength (Ultimate)

525 MPa76.1 ksi
520 MPa75.4 ksi

Yield Strength (0.2% offset)

315 MPa45.7 ksi
280 MPa40.6 ksi

Elongation at Break

26%
28%

Compressive Strength

320 MPa46.4 ksi
280 MPa40.6 ksi

Shear Strength

380 MPa55.1 ksi
330 MPa47.9 ksi

Fatigue Strength (Endurance Limit)

230 MPa33.4 ksi
215 MPa31.2 ksi

Fracture Toughness (K_IC)

100 MPa·√m91 ksi·√in
110 MPa·√m100 ksi·√in

Charpy V-Notch Impact (RT)

60 J44.3 ft·lbf
100 J73.8 ft·lbf

Hardness, Rockwell B

84 HRB
82 HRB

Same in both: Bulk Modulus 160 GPa23.2 Msi · Poisson's Ratio 0.29 · Reduction in Area 45% · Hardness, Brinell 155 HB

Physical

Density and transition temperatures.

Melting Point (Solidus)

1,425°C2,597 °F
1,465°C2,669 °F

Liquidus Temperature

1,505°C2,741 °F
1,515°C2,759 °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

50 W/m·K28.9 BTU/hr·ft·°F
47 W/m·K27.2 BTU/hr·ft·°F

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
12.2 µm/m·K6.8 µin/in·°F

Max Service Temperature (continuous)

425°C797 °F
400°C752 °F

Min Service Temperature

-46°C-51 °F
-40°C-40 °F

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

Electrical

Conductivity and insulation.

Electrical Conductivity

10 % IACS
—

Electrical Resistivity

1.7×10⁻⁷ Ω·m6.69 µΩ·in
2×10⁻⁷ Ω·m7.87 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.62 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

63 / 100
58 / 100

Machinability Rating (AISI 1212 = 100 %)

72%
65%

Weldability

80 / 100
82 / 100

Castability

75 / 100
72 / 100

Same in both: Formability (cold) 20 / 100 · Brazeability / Solderability 60 / 100 · Polishability 45 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Carbon (primary production)

1.9 kg CO₂/kg
2 kg CO₂/kg

Same in both: Embodied Energy (primary production) 24 MJ/kg10,318 BTU/lb · 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
66 kN·m/kg

Specific Stiffness (E / density)

25.7 MN·m/kg
26.8 MN·m/kg

Modulus of Resilience

246 kJ/m³
187 kJ/m³

Thermal Diffusivity

13.1 mm²/s
12.7 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 LCCG17Mn5

Manufacturing and finishing

CapabilityA352 LCCG17Mn5
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 G17Mn5 — frequently asked

Is A352 LCC stronger than G17Mn5?

Yes. A352 LCC has a typical yield strength of 315 MPa (45.7 ksi) against 280 MPa (40.6 ksi) for G17Mn5 — about 13% more. Tensile strength is 525 MPa (76.1 ksi) vs 520 MPa (75.4 ksi).

Which is cheaper, A352 LCC or G17Mn5?

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, A352 LCC or G17Mn5?

A352 LCC, by a small margin. Both rate good for machinability — 63/100 against 58/100 for G17Mn5.

Ready to make it?

Upload a CAD file and FabDigit prices the part in A352 LCC and G17Mn5 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.