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A182 F23 vs AR400 and 2 more: properties

A182 F23AR400AR500A514

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

212 GPa30.7 Msi
205 GPa29.7 Msi
205 GPa29.7 Msi
205 GPa29.7 Msi

Shear Modulus

82 GPa11.9 Msi
80 GPa11.6 Msi
80 GPa11.6 Msi
80 GPa11.6 Msi

Bulk Modulus

165 GPa23.9 Msi
160 GPa23.2 Msi
160 GPa23.2 Msi
160 GPa23.2 Msi

Tensile Strength (Ultimate)

600 MPa87 ksi
1,250 MPa181 ksi
1,650 MPa239 ksi
800 MPa116 ksi

Yield Strength (0.2% offset)

480 MPa69.6 ksi
1,050 MPa152 ksi
1,350 MPa196 ksi
760 MPa110 ksi

Elongation at Break

25%
11%
9%
19%

Reduction in Area

65%
40%
30%
50%

Compressive Strength

480 MPa69.6 ksi
1,100 MPa160 ksi
1,400 MPa203 ksi
760 MPa110 ksi

Shear Strength

370 MPa53.7 ksi
780 MPa113 ksi
1,000 MPa145 ksi
480 MPa69.6 ksi

Fatigue Strength (Endurance Limit)

280 MPa40.6 ksi
520 MPa75.4 ksi
700 MPa102 ksi
380 MPa55.1 ksi

Fracture Toughness (K_IC)

140 MPa·√m127 ksi·√in
70 MPa·√m63.7 ksi·√in
50 MPa·√m45.5 ksi·√in
120 MPa·√m109 ksi·√in

Charpy V-Notch Impact (RT)

150 J111 ft·lbf
30 J22.1 ft·lbf
35 J25.8 ft·lbf
75 J55.3 ft·lbf

Hardness, Brinell

185 HB
400 HB
500 HB
250 HB

Hardness, Rockwell B

90 HRB
—
—
100 HRB

Hardness, Vickers

195 HV
420 HV
525 HV
262 HV

Hardness, Rockwell C

—
43 HRC
50 HRC
24 HRC

Same in both: Poisson's Ratio 0.29

Physical

Density and transition temperatures.

Melting Point (Solidus)

1,450°C2,642 °F
1,420°C2,588 °F
1,420°C2,588 °F
1,425°C2,597 °F

Liquidus Temperature

1,510°C2,750 °F
1,500°C2,732 °F
1,500°C2,732 °F
1,510°C2,750 °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

30 W/m·K17.3 BTU/hr·ft·°F
42 W/m·K24.3 BTU/hr·ft·°F
40 W/m·K23.1 BTU/hr·ft·°F
42 W/m·K24.3 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

11.5 µm/m·K6.4 µin/in·°F
12 µm/m·K6.7 µin/in·°F
12 µm/m·K6.7 µin/in·°F
12 µm/m·K6.7 µin/in·°F

Latent Heat of Fusion

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

Max Service Temperature (continuous)

600°C1,112 °F
250°C482 °F
250°C482 °F
400°C752 °F

Min Service Temperature

-30°C-22 °F
-20°C-4 °F
-40°C-40 °F
-45°C-49 °F

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

Electrical

Conductivity and insulation.

Electrical Resistivity

4.5×10⁻⁷ Ω·m17.7 µΩ·in
2.2×10⁻⁷ Ω·m8.66 µΩ·in
2.3×10⁻⁷ Ω·m9.06 µΩ·in
2.4×10⁻⁷ Ω·m9.45 µΩ·in

Electrical Conductivity

—
8 % IACS
7.5 % IACS
7 % IACS

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.6 V
—
-0.62 V
-0.6 V

Corrosion Resistance

18 / 100
12 / 100
13 / 100
16 / 100

Manufacturability

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

Machinability

48 / 100
22 / 100
12 / 100
38 / 100

Machinability Rating (AISI 1212 = 100 %)

55%
20%
10%
40%

Weldability

65 / 100
55 / 100
45 / 100
55 / 100

Formability (cold)

45 / 100
25 / 100
15 / 100
30 / 100

Polishability

55 / 100
55 / 100
55 / 100
50 / 100

Brazeability / Solderability

—
20 / 100
—
40 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

32 MJ/kg13,758 BTU/lb
28 MJ/kg12,038 BTU/lb
30 MJ/kg12,898 BTU/lb
31 MJ/kg13,328 BTU/lb

Embodied Carbon (primary production)

2.4 kg CO₂/kg
2.3 kg CO₂/kg
2.3 kg CO₂/kg
2.4 kg CO₂/kg

Embodied Water

60 L/kg7.2 gal/lb
45 L/kg5.4 gal/lb
55 L/kg6.6 gal/lb
45 L/kg5.4 gal/lb

Typical Recycled Content

25%
25%
25%
30%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

76 kN·m/kg
159 kN·m/kg
210 kN·m/kg
102 kN·m/kg

Specific Stiffness (E / density)

27 MN·m/kg
26.1 MN·m/kg
26.1 MN·m/kg
26.1 MN·m/kg

Modulus of Resilience

543 kJ/m³
2,689 kJ/m³
4,445 kJ/m³
1,409 kJ/m³

Thermal Diffusivity

8.1 mm²/s
11.4 mm²/s
10.8 mm²/s
11.4 mm²/s

Thermal Shock Resistance Index

7
21
27
14

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 scaleAR400AR500A514A182 F23

Manufacturing and finishing

CapabilityA182 F23AR400AR500A514
CNC machining—YesYesYes
Sheet metal—YesYesYes
Default condition—Q&TQ&TQ&T
Relative cost$$$ Premium$$$ Premium$$$$ High$$ Standard
Min. machined wall—0.8 mm0.8 mm0.8 mm
Best machined surface—Ra 1.6 µmRa 1.6 µmRa 1.6 µm
AlCrN—YesYesYes
AlTiN—YesYesYes
Black Oxide—YesYesYes
CVD Al2O3—YesYesYes
CVD TiCN—YesYesYes
CVD TiN—YesYesYes
Cerakote—YesYesYes
Chrome Plating—YesYesYes
CrN—YesYesYes
DLC—YesYesYes
E-Coating—YesYesYes
HVOF Coating—YesYesYes
Hot-Dip Galvanizing—YesYesYes
MoS2—YesYesYes
Multilayer CVD—YesYesYes
Nickel Plating—YesYesYes
PTFE Coating—YesYesYes
Painting—YesYesYes

They share 9 finishes: Copper Plating, Electroless Nickel (EN), Epoxy Coating, Gold Plating, Hard Chrome Plating, Manganese Phosphate, Plasma Spray, Silver Plating, Zinc Phosphate.

Ready to make it?

Upload a CAD file and FabDigit prices the part in A182 F23 and AR400 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.