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SAE-AISI 1552 Steel vs. ASTM A182 Grade FR

Both SAE-AISI 1552 steel and ASTM A182 grade FR are iron alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI 1552 steel and the bottom bar is ASTM A182 grade FR.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
28
Fatigue Strength, MPa 290 to 400
270
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34 to 46
43
Shear Modulus, GPa 72
72
Shear Strength, MPa 460 to 510
320
Tensile Strength: Ultimate (UTS), MPa 760 to 840
490
Tensile Strength: Yield (Proof), MPa 460 to 650
360

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
52
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
3.3
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 19
21
Embodied Water, L/kg 47
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 98
120
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 1130
340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 30
17
Strength to Weight: Bending, points 24 to 25
17
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 26 to 29
14

Alloy Composition

Carbon (C), % 0.47 to 0.55
0 to 0.2
Copper (Cu), % 0
0.75 to 1.3
Iron (Fe), % 97.9 to 98.3
95.2 to 97.3
Manganese (Mn), % 1.2 to 1.5
0.4 to 1.1
Nickel (Ni), % 0
1.6 to 2.2
Phosphorus (P), % 0 to 0.040
0 to 0.045
Sulfur (S), % 0 to 0.050
0 to 0.050