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AWS ER90S-B9 vs. EN 1.4971 Stainless Steel

Both AWS ER90S-B9 and EN 1.4971 stainless steel are iron alloys. They have 43% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS ER90S-B9 and the bottom bar is EN 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 18
34
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
81
Tensile Strength: Ultimate (UTS), MPa 690
800
Tensile Strength: Yield (Proof), MPa 470
340

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 25
13
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
70
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 2.6
7.6
Embodied Energy, MJ/kg 37
110
Embodied Water, L/kg 91
300

Common Calculations

PREN (Pitting Resistance) 13
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 570
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
26
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 6.9
3.4
Thermal Shock Resistance, points 19
19

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.070 to 0.13
0.080 to 0.16
Chromium (Cr), % 8.0 to 10.5
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 84.4 to 90.7
24.3 to 37.1
Manganese (Mn), % 0 to 1.2
0 to 2.0
Molybdenum (Mo), % 0.85 to 1.2
2.5 to 3.5
Nickel (Ni), % 0 to 0.8
19 to 21
Niobium (Nb), % 0.020 to 0.1
0.75 to 1.3
Nitrogen (N), % 0.030 to 0.070
0.1 to 0.2
Phosphorus (P), % 0 to 0.010
0 to 0.035
Silicon (Si), % 0.15 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Tungsten (W), % 0
2.0 to 3.0
Vanadium (V), % 0.15 to 0.3
0
Residuals, % 0 to 0.5
0