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EN 1.4971 Stainless Steel vs. EN 1.8895 Steel

Both EN 1.4971 stainless steel and EN 1.8895 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 (5, 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 1.8895 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
120
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
26
Fatigue Strength, MPa 270
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 530
260
Tensile Strength: Ultimate (UTS), MPa 800
400
Tensile Strength: Yield (Proof), MPa 340
300

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
13

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
1.6
Embodied Energy, MJ/kg 110
21
Embodied Water, L/kg 300
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
96
Resilience: Unit (Modulus of Resilience), kJ/m3 280
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
14
Strength to Weight: Bending, points 23
15
Thermal Diffusivity, mm2/s 3.4
13
Thermal Shock Resistance, points 19
12

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0.080 to 0.16
0 to 0.13
Chromium (Cr), % 20 to 22.5
0
Cobalt (Co), % 18.5 to 21
0
Iron (Fe), % 24.3 to 37.1
97 to 99.98
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 2.5 to 3.5
0 to 0.2
Nickel (Ni), % 19 to 21
0 to 0.3
Niobium (Nb), % 0.75 to 1.3
0 to 0.050
Nitrogen (N), % 0.1 to 0.2
0 to 0.020
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 2.0 to 3.0
0
Vanadium (V), % 0
0 to 0.080