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AWS ER80S-Ni2 vs. ASTM A572 Steel

Both AWS ER80S-Ni2 and ASTM A572 steel are iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS ER80S-Ni2 and the bottom bar is ASTM A572 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 27
18 to 25
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 620
470 to 620
Tensile Strength: Yield (Proof), MPa 540
330 to 510

Thermal Properties

Latent Heat of Fusion, J/g 260
250
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
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.2 to 8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
2.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.6
Embodied Energy, MJ/kg 22
22
Embodied Water, L/kg 51
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 770
290 to 690
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
17 to 22
Strength to Weight: Bending, points 21
17 to 21
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 18
14 to 18