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AWS ER70S-A1 vs. ASTM A182 Grade F5

Both AWS ER70S-A1 and ASTM A182 grade F5 are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS ER70S-A1 and the bottom bar is ASTM A182 grade F5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
22
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 590
540
Tensile Strength: Yield (Proof), MPa 450
310

Thermal Properties

Latent Heat of Fusion, J/g 260
260
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 50
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
4.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.8
Embodied Energy, MJ/kg 20
24
Embodied Water, L/kg 48
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
100
Resilience: Unit (Modulus of Resilience), kJ/m3 540
260
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
19
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 17
15

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.15
Chromium (Cr), % 0
4.0 to 6.0
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 96.1 to 99.3
91.5 to 95.3
Manganese (Mn), % 0 to 1.3
0.3 to 0.6
Molybdenum (Mo), % 0.4 to 0.65
0.44 to 0.65
Nickel (Ni), % 0 to 0.2
0 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.3 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.030
Residuals, % 0 to 0.5
0