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EN 1.8527 Steel vs. EN 1.4634 Stainless Steel

Both EN 1.8527 steel and EN 1.4634 stainless steel are iron alloys. They have 83% 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 1.4634 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
21
Fatigue Strength, MPa 520
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 550
340
Tensile Strength: Ultimate (UTS), MPa 900
540
Tensile Strength: Yield (Proof), MPa 800
280

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 490
900
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 41
21
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.7
2.9
Embodied Energy, MJ/kg 23
42
Embodied Water, L/kg 66
140

Common Calculations

PREN (Pitting Resistance) 5.7
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
93
Resilience: Unit (Modulus of Resilience), kJ/m3 1670
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 32
20
Strength to Weight: Bending, points 26
19
Thermal Diffusivity, mm2/s 11
5.8
Thermal Shock Resistance, points 26
19

Alloy Composition

Aluminum (Al), % 0
0.2 to 1.5
Carbon (C), % 0.040 to 0.12
0 to 0.030
Chromium (Cr), % 3.7 to 4.3
17.5 to 18.5
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 93.2 to 95.1
74.9 to 81.8
Manganese (Mn), % 0.85 to 1.2
0 to 1.0
Molybdenum (Mo), % 0.4 to 0.6
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.3 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.050
Silicon (Si), % 0 to 0.4
0.2 to 1.5
Sulfur (S), % 0 to 0.035
0 to 0.050