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EN 1.4594 Stainless Steel vs. EN 1.8527 Steel

Both EN 1.4594 stainless steel and EN 1.8527 steel are iron alloys. They have 81% 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 1.4594 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 to 17
16
Fatigue Strength, MPa 490 to 620
520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 620 to 700
550
Tensile Strength: Ultimate (UTS), MPa 1020 to 1170
900
Tensile Strength: Yield (Proof), MPa 810 to 1140
800

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 820
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 16
41
Thermal Expansion, µm/m-K 11
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 15
4.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.7
Embodied Energy, MJ/kg 45
23
Embodied Water, L/kg 130
66

Common Calculations

PREN (Pitting Resistance) 19
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1660 to 3320
1670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36 to 41
32
Strength to Weight: Bending, points 29 to 31
26
Thermal Diffusivity, mm2/s 4.4
11
Thermal Shock Resistance, points 34 to 39
26

Alloy Composition

Carbon (C), % 0 to 0.070
0.040 to 0.12
Chromium (Cr), % 13 to 15
3.7 to 4.3
Copper (Cu), % 1.2 to 2.0
0 to 0.25
Iron (Fe), % 72.6 to 79.5
93.2 to 95.1
Manganese (Mn), % 0 to 1.0
0.85 to 1.2
Molybdenum (Mo), % 1.2 to 2.0
0.4 to 0.6
Nickel (Ni), % 5.0 to 6.0
0
Niobium (Nb), % 0.15 to 0.6
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035