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EN 1.4542 Stainless Steel vs. EN 1.8503 Steel

Both EN 1.4542 stainless steel and EN 1.8503 steel are iron alloys. They have 77% 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 1.4542 stainless steel and the bottom bar is EN 1.8503 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.7 to 20
16
Fatigue Strength, MPa 370 to 640
600
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 550 to 860
610
Tensile Strength: Ultimate (UTS), MPa 880 to 1470
1000
Tensile Strength: Yield (Proof), MPa 580 to 1300
910

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 860
440
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1380
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 2.4
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
3.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.3
Embodied Energy, MJ/kg 39
33
Embodied Water, L/kg 130
57

Common Calculations

PREN (Pitting Resistance) 17
3.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 160
150
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4360
2200
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 52
35
Strength to Weight: Bending, points 26 to 37
28
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 29 to 49
29

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0 to 0.070
0.16 to 0.24
Chromium (Cr), % 15 to 17
1.2 to 1.5
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 69.6 to 79
95.8 to 97.5
Manganese (Mn), % 0 to 1.5
0.4 to 0.8
Molybdenum (Mo), % 0 to 0.6
0.65 to 0.8
Nickel (Ni), % 3.0 to 5.0
0
Niobium (Nb), % 0 to 0.45
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
Vanadium (V), % 0
0.25 to 0.35