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EN 1.4911 Stainless Steel vs. EN 1.8527 Steel

Both EN 1.4911 stainless steel and EN 1.8527 steel are iron alloys. Both are furnished in the quenched and tempered condition. They have 85% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4911 stainless steel and the bottom bar is EN 1.8527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
16
Fatigue Strength, MPa 530
520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 640
550
Tensile Strength: Ultimate (UTS), MPa 1070
900
Tensile Strength: Yield (Proof), MPa 970
800

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 700
490
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 20
41
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 20
4.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.7
Embodied Energy, MJ/kg 49
23
Embodied Water, L/kg 130
66

Common Calculations

PREN (Pitting Resistance) 14
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
140
Resilience: Unit (Modulus of Resilience), kJ/m3 2410
1670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 38
32
Strength to Weight: Bending, points 30
26
Thermal Diffusivity, mm2/s 5.4
11
Thermal Shock Resistance, points 37
26

Alloy Composition

Boron (B), % 0.0050 to 0.015
0
Carbon (C), % 0.050 to 0.12
0.040 to 0.12
Chromium (Cr), % 9.8 to 11.2
3.7 to 4.3
Cobalt (Co), % 5.0 to 7.0
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 75.7 to 83.8
93.2 to 95.1
Manganese (Mn), % 0.3 to 1.3
0.85 to 1.2
Molybdenum (Mo), % 0.5 to 1.0
0.4 to 0.6
Nickel (Ni), % 0.2 to 1.2
0
Niobium (Nb), % 0.2 to 0.5
0
Nitrogen (N), % 0 to 0.035
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.1 to 0.8
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Tungsten (W), % 0 to 0.7
0
Vanadium (V), % 0.1 to 0.4
0