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EN 1.4971 Stainless Steel vs. EN 1.0478 Steel

Both EN 1.4971 stainless steel and EN 1.0478 steel are iron alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 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 EN 1.4971 stainless steel and the bottom bar is EN 1.0478 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
130
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
24
Fatigue Strength, MPa 270
170
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 530
280
Tensile Strength: Ultimate (UTS), MPa 800
440
Tensile Strength: Yield (Proof), MPa 340
230

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
49
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
2.2
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.6
1.5
Embodied Energy, MJ/kg 110
20
Embodied Water, L/kg 300
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
90
Resilience: Unit (Modulus of Resilience), kJ/m3 280
150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
16
Strength to Weight: Bending, points 23
16
Thermal Diffusivity, mm2/s 3.4
13
Thermal Shock Resistance, points 19
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.060
Carbon (C), % 0.080 to 0.16
0 to 0.18
Chromium (Cr), % 20 to 22.5
0 to 0.3
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 24.3 to 37.1
96.9 to 99.4
Manganese (Mn), % 0 to 2.0
0.6 to 1.4
Molybdenum (Mo), % 2.5 to 3.5
0 to 0.080
Nickel (Ni), % 19 to 21
0 to 0.3
Niobium (Nb), % 0.75 to 1.3
0 to 0.030
Nitrogen (N), % 0.1 to 0.2
0 to 0.020
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 2.0 to 3.0
0
Vanadium (V), % 0
0 to 0.050