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AWS ER90S-B3 vs. ASTM A356 Grade 10

Both AWS ER90S-B3 and ASTM A356 grade 10 are iron alloys. Their average alloy composition is basically identical. There are 28 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 ER90S-B3 and the bottom bar is ASTM A356 grade 10.

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
74
Tensile Strength: Ultimate (UTS), MPa 690
670
Tensile Strength: Yield (Proof), MPa 620
430

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 4.1
3.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.8
1.8
Embodied Energy, MJ/kg 24
23
Embodied Water, L/kg 60
59

Common Calculations

PREN (Pitting Resistance) 6.0
5.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
130
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
480
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
24
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 20
19

Alloy Composition

Carbon (C), % 0.070 to 0.12
0 to 0.2
Chromium (Cr), % 2.3 to 2.7
2.0 to 2.8
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 93.5 to 95.9
94.4 to 96.6
Manganese (Mn), % 0.4 to 0.7
0.5 to 0.8
Molybdenum (Mo), % 0.9 to 1.2
0.9 to 1.2
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0.4 to 0.7
0 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.030
Residuals, % 0 to 0.5
0