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EN 1.4971 Stainless Steel vs. EN 1.0580 Steel

Both EN 1.4971 stainless steel and EN 1.0580 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 1.0580 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
5.6 to 25
Fatigue Strength, MPa 270
210 to 270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 530
340 to 360
Tensile Strength: Ultimate (UTS), MPa 800
540 to 620
Tensile Strength: Yield (Proof), MPa 340
290 to 450

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
51
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
1.8
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.6
1.4
Embodied Energy, MJ/kg 110
18
Embodied Water, L/kg 300
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
31 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 280
230 to 540
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
19 to 22
Strength to Weight: Bending, points 23
19 to 21
Thermal Diffusivity, mm2/s 3.4
14
Thermal Shock Resistance, points 19
17 to 20

Alloy Composition

Carbon (C), % 0.080 to 0.16
0 to 0.22
Chromium (Cr), % 20 to 22.5
0
Cobalt (Co), % 18.5 to 21
0
Iron (Fe), % 24.3 to 37.1
97.5 to 100
Manganese (Mn), % 0 to 2.0
0 to 1.6
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.55
Sulfur (S), % 0 to 0.015
0 to 0.045
Tungsten (W), % 2.0 to 3.0
0