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S32906 Stainless Steel vs. AWS ER90S-B9

Both S32906 stainless steel and AWS ER90S-B9 are iron alloys. They have 72% of their average alloy composition in common. There are 28 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 S32906 stainless steel and the bottom bar is AWS ER90S-B9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 28
18
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
75
Tensile Strength: Ultimate (UTS), MPa 850
690
Tensile Strength: Yield (Proof), MPa 620
470

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
25
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 20
7.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.7
2.6
Embodied Energy, MJ/kg 52
37
Embodied Water, L/kg 190
91

Common Calculations

PREN (Pitting Resistance) 41
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
110
Resilience: Unit (Modulus of Resilience), kJ/m3 950
570
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
25
Strength to Weight: Bending, points 26
22
Thermal Diffusivity, mm2/s 3.6
6.9
Thermal Shock Resistance, points 23
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.030
0.070 to 0.13
Chromium (Cr), % 28 to 30
8.0 to 10.5
Copper (Cu), % 0 to 0.8
0 to 0.2
Iron (Fe), % 56.6 to 63.6
84.4 to 90.7
Manganese (Mn), % 0.8 to 1.5
0 to 1.2
Molybdenum (Mo), % 1.5 to 2.6
0.85 to 1.2
Nickel (Ni), % 5.8 to 7.5
0 to 0.8
Niobium (Nb), % 0
0.020 to 0.1
Nitrogen (N), % 0.3 to 0.4
0.030 to 0.070
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0 to 0.5
0.15 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0
0.15 to 0.3
Residuals, % 0
0 to 0.5