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EN 1.4301 Stainless Steel vs. AWS ER90S-B9

Both EN 1.4301 stainless steel and AWS ER90S-B9 are iron alloys. They have 81% 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 EN 1.4301 stainless steel and the bottom bar is AWS ER90S-B9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 46
18
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 610 to 900
690
Tensile Strength: Yield (Proof), MPa 220 to 570
470

Thermal Properties

Latent Heat of Fusion, J/g 290
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 15
25
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 15
7.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.6
Embodied Energy, MJ/kg 43
37
Embodied Water, L/kg 140
91

Common Calculations

PREN (Pitting Resistance) 19
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 220
110
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 820
570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 32
25
Strength to Weight: Bending, points 20 to 27
22
Thermal Diffusivity, mm2/s 4.0
6.9
Thermal Shock Resistance, points 14 to 20
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.070
0.070 to 0.13
Chromium (Cr), % 17.5 to 19.5
8.0 to 10.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 66.8 to 74.5
84.4 to 90.7
Manganese (Mn), % 0 to 2.0
0 to 1.2
Molybdenum (Mo), % 0
0.85 to 1.2
Nickel (Ni), % 8.0 to 10.5
0 to 0.8
Niobium (Nb), % 0
0.020 to 0.1
Nitrogen (N), % 0 to 0.1
0.030 to 0.070
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 1.0
0.15 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Vanadium (V), % 0
0.15 to 0.3
Residuals, % 0
0 to 0.5