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Steel A536 120-90-02 vs G3500

Steel · grade comparison

Steel A536 120-90-02 and G3500 are both steel grades. A536 120-90-02 is the stronger of the two: yield strength 660 MPa (95.7 ksi) against 180 MPa (26.1 ksi) for G3500, about 3.7 times as much; tensile strength follows at 900 MPa (131 ksi) vs 250 MPa (36.3 ksi). A536 120-90-02 is the more ductile: elongation 3% versus 0.5% for G3500, and A536 120-90-02 is harder (302 HB vs 225 HB). A536 120-90-02 is stiffer (172 GPa vs 110 GPa) and G3500 runs hotter in service (400°C vs 350°C continuous). On the shop floor, G3500 machines more easily (very good vs fair) and G3500 sits in a lower cost tier (budget, $) than A536 120-90-02 (standard, $$).

A536 120-90-02Choose it when strength drives the design, or when the part is bent, formed or impact-loaded.

G3500Choose it when the part sees heat, or when the part is machined in volume.

A536 120-90-02 vs G3500: properties

A536 120-90-02G3500

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

172 GPa24.9 Msi
110 GPa16 Msi

Shear Modulus

66 GPa9.6 Msi
44 GPa6.4 Msi

Bulk Modulus

138 GPa20 Msi
76 GPa11 Msi

Poisson's Ratio

0.28
0.26

Tensile Strength (Ultimate)

900 MPa131 ksi
250 MPa36.3 ksi

Yield Strength (0.2% offset)

660 MPa95.7 ksi
180 MPa26.1 ksi

Elongation at Break

3%
0.5%

Reduction in Area

3%
—

Compressive Strength

1,500 MPa218 ksi
855 MPa124 ksi

Shear Strength

800 MPa116 ksi
300 MPa43.5 ksi

Fatigue Strength (Endurance Limit)

360 MPa52.2 ksi
110 MPa16 ksi

Fracture Toughness (K_IC)

35 MPa·√m31.9 ksi·√in
15 MPa·√m13.7 ksi·√in

Charpy V-Notch Impact (RT)

9 J6.6 ft·lbf
6 J4.4 ft·lbf

Hardness, Brinell

302 HB
225 HB

Hardness, Rockwell C

32 HRC
—

Hardness, Vickers

318 HV
—

Hardness, Rockwell B

—
98 HRB

Physical

Density and transition temperatures.

Density

7.1 g/cm³0.26 lb/in³
7.2 g/cm³0.26 lb/in³

Melting Point (Solidus)

1,140°C2,084 °F
1,150°C2,102 °F

Liquidus Temperature

1,165°C2,129 °F
1,205°C2,201 °F

Thermal

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

Thermal Conductivity

32 W/m·K18.5 BTU/hr·ft·°F
46 W/m·K26.6 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

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

Max Service Temperature (continuous)

350°C662 °F
400°C752 °F

Same in both: Specific Heat Capacity 460 J/kg·K0.11 BTU/lb·°F · Latent Heat of Fusion 220 J/g94.6 BTU/lb · Min Service Temperature -20°C-4 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

2.7 % IACS
2.2 % IACS

Electrical Resistivity

6.4×10⁻⁷ Ω·m25.2 µΩ·in
8×10⁻⁷ Ω·m31.5 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

16 / 100
15 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.61 V

Manufacturability

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

Machinability

35 / 100
78 / 100

Machinability Rating (AISI 1212 = 100 %)

30%
65%

Weldability

18 / 100
25 / 100

Formability (cold)

5 / 100
3 / 100

Castability

82 / 100
95 / 100

Brazeability / Solderability

30 / 100
45 / 100

Polishability

55 / 100
40 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Carbon (primary production)

1.8 kg CO₂/kg
1.9 kg CO₂/kg

Embodied Water

45 L/kg5.4 gal/lb
30 L/kg3.6 gal/lb

Same in both: Embodied Energy (primary production) 21 MJ/kg9,028 BTU/lb · Typical Recycled Content 85%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

127 kN·m/kg
35 kN·m/kg

Specific Stiffness (E / density)

24.2 MN·m/kg
15.3 MN·m/kg

Modulus of Resilience

1,266 kJ/m³
147 kJ/m³

Thermal Diffusivity

9.8 mm²/s
13.9 mm²/s

Thermal Shock Resistance Index

14
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 scaleG3500A536 120-90-02

Manufacturing and finishing

CapabilityA536 120-90-02G3500
Default condition——
Relative cost$$ Standard$ Budget
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.

A536 120-90-02 vs G3500 — frequently asked

Is A536 120-90-02 stronger than G3500?

Yes. A536 120-90-02 has a typical yield strength of 660 MPa (95.7 ksi) against 180 MPa (26.1 ksi) for G3500 — about 3.7 times as much. Tensile strength is 900 MPa (131 ksi) vs 250 MPa (36.3 ksi).

Which is cheaper, A536 120-90-02 or G3500?

G3500 is the lower-cost material: it sits in the budget tier ($) while A536 120-90-02 is standard ($$). 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, A536 120-90-02 or G3500?

G3500. Its machinability rates very good (78/100) against fair (35/100) for A536 120-90-02; for welding the order is G3500 first (poor, 25/100) then A536 120-90-02 (poor, 18/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in A536 120-90-02 and G3500 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.