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AWS ER90S-B3 vs. ASTM A182 Grade F12 Class 1

Both AWS ER90S-B3 and ASTM A182 grade F12 class 1 are iron alloys. They have a very high 97% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS ER90S-B3 and the bottom bar is ASTM A182 grade F12 class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
23
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 690
470
Tensile Strength: Yield (Proof), MPa 620
250

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.1
2.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.8
1.6
Embodied Energy, MJ/kg 24
21
Embodied Water, L/kg 60
52

Common Calculations

PREN (Pitting Resistance) 6.0
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
91
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
160
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
17
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 20
14

Alloy Composition


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Carbon (C), % 0.070 to 0.12
0.050 to 0.15
Chromium (Cr), % 2.3 to 2.7
0.8 to 1.3
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 93.5 to 95.9
96.8 to 98.4
Manganese (Mn), % 0.4 to 0.7
0.3 to 0.6
Molybdenum (Mo), % 0.9 to 1.2
0.44 to 0.65
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.4 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.045
Residuals, % 0 to 0.5
0