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EN 1.4369 Stainless Steel vs. EN 1.8503 Steel

Both EN 1.4369 stainless steel and EN 1.8503 steel are iron alloys. They have 69% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4369 stainless steel and the bottom bar is EN 1.8503 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
16
Fatigue Strength, MPa 330
600
Impact Strength: V-Notched Charpy, J 91
39
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 580
610
Tensile Strength: Ultimate (UTS), MPa 850
1000
Tensile Strength: Yield (Proof), MPa 390
910

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
440
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
41
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 14
3.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.3
Embodied Energy, MJ/kg 43
33
Embodied Water, L/kg 150
57

Common Calculations

PREN (Pitting Resistance) 23
3.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
150
Resilience: Unit (Modulus of Resilience), kJ/m3 380
2200
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31
35
Strength to Weight: Bending, points 26
28
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 18
29

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0.070 to 0.15
0.16 to 0.24
Chromium (Cr), % 17.5 to 19.5
1.2 to 1.5
Iron (Fe), % 63 to 70.2
95.8 to 97.5
Manganese (Mn), % 5.0 to 7.5
0.4 to 0.8
Molybdenum (Mo), % 0
0.65 to 0.8
Nickel (Ni), % 6.5 to 8.5
0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.5 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Vanadium (V), % 0
0.25 to 0.35