FabDigit

A36 Galvanized vs A588 and 2 more: properties

A36 GalvanizedA588A653SECC

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

200 GPa29 Msi
200 GPa29 Msi
200 GPa29 Msi
205 GPa29.7 Msi

Shear Modulus

79 GPa11.5 Msi
79 GPa11.5 Msi
79 GPa11.5 Msi
80 GPa11.6 Msi

Tensile Strength (Ultimate)

450 MPa65.3 ksi
520 MPa75.4 ksi
360 MPa52.2 ksi
340 MPa49.3 ksi

Yield Strength (0.2% offset)

275 MPa39.9 ksi
380 MPa55.1 ksi
260 MPa37.7 ksi
240 MPa34.8 ksi

Elongation at Break

23%
25%
32%
36%

Reduction in Area

55%
45%
55%
62%

Compressive Strength

275 MPa39.9 ksi
380 MPa55.1 ksi
260 MPa37.7 ksi
245 MPa35.5 ksi

Shear Strength

275 MPa39.9 ksi
320 MPa46.4 ksi
235 MPa34.1 ksi
230 MPa33.4 ksi

Fatigue Strength (Endurance Limit)

200 MPa29 ksi
240 MPa34.8 ksi
170 MPa24.7 ksi
170 MPa24.7 ksi

Fracture Toughness (K_IC)

55 MPa·√m50.1 ksi·√in
120 MPa·√m109 ksi·√in
140 MPa·√m127 ksi·√in

Charpy V-Notch Impact (RT)

50 J36.9 ft·lbf
60 J44.3 ft·lbf
35 J25.8 ft·lbf
45 J33.2 ft·lbf

Hardness, Brinell

120 HB
155 HB
110 HB
105 HB

Hardness, Rockwell B

68 HRB
83 HRB
62 HRB
58 HRB

Hardness, Vickers

125 HV
163 HV
115 HV
112 HV

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

Physical

Density and transition temperatures.

Melting Point (Solidus)

1,425°C2,597 °F
1,490°C2,714 °F
1,495°C2,723 °F
1,500°C2,732 °F

Liquidus Temperature

1,520°C2,768 °F
1,520°C2,768 °F
1,520°C2,768 °F
1,528°C2,782 °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

51.9 W/m·K30 BTU/hr·ft·°F
52 W/m·K30 BTU/hr·ft·°F
52 W/m·K30 BTU/hr·ft·°F
52 W/m·K30 BTU/hr·ft·°F

Specific Heat Capacity

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

Thermal Expansion (CTE, 20–100 °C)

11.9 µm/m·K6.6 µin/in·°F
11.7 µm/m·K6.5 µin/in·°F
12 µm/m·K6.7 µin/in·°F
12 µm/m·K6.7 µin/in·°F

Latent Heat of Fusion

247 J/g106 BTU/lb
250 J/g107 BTU/lb
270 J/g116 BTU/lb
270 J/g116 BTU/lb

Max Service Temperature (continuous)

200°C392 °F
400°C752 °F
200°C392 °F
400°C752 °F

Min Service Temperature

-30°C-22 °F
-40°C-40 °F
-30°C-22 °F
-40°C-40 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

10.5 % IACS
8.6 % IACS
10.5 % IACS
11 % IACS

Electrical Resistivity

1.6×10⁻⁷ Ω·m6.3 µΩ·in
2×10⁻⁷ Ω·m7.87 µΩ·in
1.6×10⁻⁷ Ω·m6.3 µΩ·in
1.6×10⁻⁷ Ω·m6.3 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-1.03 V
-0.65 V
-1.02 V
-0.98 V

Corrosion Resistance

45 / 100
32 / 100
38 / 100
8 / 100

Manufacturability

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

Machinability

62 / 100
55 / 100
62 / 100
62 / 100

Machinability Rating (AISI 1212 = 100 %)

70%
58%
66%
55%

Weldability

70 / 100
78 / 100
72 / 100
88 / 100

Formability (cold)

70 / 100
60 / 100
82 / 100
75 / 100

Brazeability / Solderability

55 / 100
55 / 100
70 / 100
70 / 100

Polishability

25 / 100
45 / 100
25 / 100
35 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

32 MJ/kg13,758 BTU/lb
25 MJ/kg10,748 BTU/lb
30 MJ/kg12,898 BTU/lb
35 MJ/kg15,047 BTU/lb

Embodied Carbon (primary production)

2.4 kg CO₂/kg
2 kg CO₂/kg
2.5 kg CO₂/kg
2.5 kg CO₂/kg

Embodied Water

45 L/kg5.4 gal/lb
45 L/kg5.4 gal/lb
60 L/kg7.2 gal/lb
60 L/kg7.2 gal/lb

Typical Recycled Content

35%
30%
30%
25%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

57 kN·m/kg
66 kN·m/kg
46 kN·m/kg
43 kN·m/kg

Specific Stiffness (E / density)

25.5 MN·m/kg
25.5 MN·m/kg
25.5 MN·m/kg
26.1 MN·m/kg

Modulus of Resilience

189 kJ/m³
361 kJ/m³
169 kJ/m³
140 kJ/m³

Thermal Diffusivity

13.6 mm²/s
14.4 mm²/s
14.1 mm²/s
13.8 mm²/s

Thermal Shock Resistance Index

10
12
8
7

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 scaleA588A653SECCA36 Galvanized

Manufacturing and finishing

CapabilityA36 GalvanizedA588A653SECC
CNC machiningYesYes
Default conditionHRHRHRHR
Relative cost$$ Standard$$ Standard$$ Standard$$ Standard
Min. machined wall0.8 mm0.8 mm
Best machined surfaceRa 1.6 µmRa 1.6 µm
AlCrNYesYes
AlTiNYesYes
CVD Al2O3YesYes
CVD TiCNYesYes
CVD TiNYesYes
CrNYesYes
DLCYesYes
HVOF CoatingYesYes
MoS2YesYes
Multilayer CVDYesYes
TiAlNYesYes
TiB2YesYes
TiCNYesYes
TiNYesYes
WC/CYesYes
ZrNYesYes

Both are offered for Sheet metal. They share 22 finishes: Black Oxide, Cerakote, Chrome Plating, Copper Plating, E-Coating, Electroless Nickel (EN), Epoxy Coating, Gold Plating, Hard Chrome Plating, Hot-Dip Galvanizing, Manganese Phosphate, Nickel Plating and 10 more.

Ready to make it?

Upload a CAD file and FabDigit prices the part in A36 Galvanized and A588 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.