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ASTM A202 Steel vs. ASTM A588 Steel

Both ASTM A202 steel and ASTM A588 steel are iron alloys.

For each property being compared, the top bar is ASTM A202 steel and the bottom bar is ASTM A588 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 18
22
Fatigue Strength, MPa 240
270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 360 to 410
350
Tensile Strength: Ultimate (UTS), MPa 590 to 670
550
Tensile Strength: Yield (Proof), MPa 350 to 360
390

Thermal Properties

Latent Heat of Fusion, J/g 260
250 to 260
Maximum Temperature: Mechanical, °C 410
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410 to 1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
43 to 44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.3 to 2.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.5 to 1.6
Embodied Energy, MJ/kg 19
20 to 22
Embodied Water, L/kg 49
50 to 51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 96
110
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 350
400
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 24
20
Strength to Weight: Bending, points 20 to 22
19
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 17 to 20
16

Comparable Variants