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EN 1.8527 Steel vs. EN 1.4971 Stainless Steel

Both EN 1.8527 steel and EN 1.4971 stainless steel are iron alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 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 1.8527 steel and the bottom bar is EN 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
240
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 16
34
Fatigue Strength, MPa 520
270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
81
Shear Strength, MPa 550
530
Tensile Strength: Ultimate (UTS), MPa 900
800
Tensile Strength: Yield (Proof), MPa 800
340

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 490
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 41
13
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
70
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 1.7
7.6
Embodied Energy, MJ/kg 23
110
Embodied Water, L/kg 66
300

Common Calculations

PREN (Pitting Resistance) 5.7
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
220
Resilience: Unit (Modulus of Resilience), kJ/m3 1670
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 32
26
Strength to Weight: Bending, points 26
23
Thermal Diffusivity, mm2/s 11
3.4
Thermal Shock Resistance, points 26
19

Alloy Composition

Carbon (C), % 0.040 to 0.12
0.080 to 0.16
Chromium (Cr), % 3.7 to 4.3
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 93.2 to 95.1
24.3 to 37.1
Manganese (Mn), % 0.85 to 1.2
0 to 2.0
Molybdenum (Mo), % 0.4 to 0.6
2.5 to 3.5
Nickel (Ni), % 0
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015
Tungsten (W), % 0
2.0 to 3.0