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ASTM A202 Steel vs. ASTM A514 Steel

Both ASTM A202 steel and ASTM A514 steel are iron alloys.

For each property being compared, the top bar is ASTM A202 steel and the bottom bar is ASTM A514 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
240 to 250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 18
18 to 21
Fatigue Strength, MPa 240
470 to 540
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 360 to 410
490 to 520
Tensile Strength: Ultimate (UTS), MPa 590 to 670
790 to 830
Tensile Strength: Yield (Proof), MPa 350 to 360
690 to 770

Thermal Properties

Latent Heat of Fusion, J/g 260
250 to 260
Maximum Temperature: Mechanical, °C 410
400 to 440
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
37 to 51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.3 to 8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.3 to 3.8
Density, g/cm3 7.8
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 1.4
1.6 to 1.8
Embodied Energy, MJ/kg 19
21 to 25
Embodied Water, L/kg 49
48 to 57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 96
140 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 350
1280 to 1590
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 24
28 to 29
Strength to Weight: Bending, points 20 to 22
24 to 25
Thermal Diffusivity, mm2/s 14
10 to 14
Thermal Shock Resistance, points 17 to 20
23 to 24

Comparable Variants