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EN 1.8527 Steel vs. EN 1.4405 Stainless Steel

Both EN 1.8527 steel and EN 1.4405 stainless steel are iron alloys. Both are furnished in the quenched and tempered condition. They have 82% 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 1.8527 steel and the bottom bar is EN 1.4405 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
17
Fatigue Strength, MPa 520
370
Impact Strength: V-Notched Charpy, J 39
68
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Tensile Strength: Ultimate (UTS), MPa 900
860
Tensile Strength: Yield (Proof), MPa 800
610

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 490
870
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 41
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
2.8
Embodied Energy, MJ/kg 23
39
Embodied Water, L/kg 66
130

Common Calculations

PREN (Pitting Resistance) 5.7
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
130
Resilience: Unit (Modulus of Resilience), kJ/m3 1670
950
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 32
31
Strength to Weight: Bending, points 26
26
Thermal Diffusivity, mm2/s 11
4.6
Thermal Shock Resistance, points 26
29

Alloy Composition

Carbon (C), % 0.040 to 0.12
0 to 0.060
Chromium (Cr), % 3.7 to 4.3
15 to 17
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 93.2 to 95.1
73.6 to 80.3
Manganese (Mn), % 0.85 to 1.2
0 to 1.0
Molybdenum (Mo), % 0.4 to 0.6
0.7 to 1.5
Nickel (Ni), % 0
4.0 to 6.0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.035
0 to 0.025