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EN 1.8527 Steel vs. EN 1.4742 Stainless Steel

Both EN 1.8527 steel and EN 1.4742 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, 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 1.4742 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
17
Fatigue Strength, MPa 520
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 550
370
Tensile Strength: Ultimate (UTS), MPa 900
600
Tensile Strength: Yield (Proof), MPa 800
300

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 490
1000
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 41
19
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
9.0
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.7
2.2
Embodied Energy, MJ/kg 23
32
Embodied Water, L/kg 66
130

Common Calculations

PREN (Pitting Resistance) 5.7
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
84
Resilience: Unit (Modulus of Resilience), kJ/m3 1670
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 32
22
Strength to Weight: Bending, points 26
21
Thermal Diffusivity, mm2/s 11
5.1
Thermal Shock Resistance, points 26
21

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.2
Carbon (C), % 0.040 to 0.12
0 to 0.12
Chromium (Cr), % 3.7 to 4.3
17 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 93.2 to 95.1
77.2 to 81.6
Manganese (Mn), % 0.85 to 1.2
0 to 1.0
Molybdenum (Mo), % 0.4 to 0.6
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0.7 to 1.4
Sulfur (S), % 0 to 0.035
0 to 0.015