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S45000 Stainless Steel vs. EN 1.5638 Steel

Both S45000 stainless steel and EN 1.5638 steel are iron alloys. They have 80% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S45000 stainless steel and the bottom bar is EN 1.5638 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 410
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.8 to 14
23
Fatigue Strength, MPa 330 to 650
290
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 980 to 1410
580
Tensile Strength: Yield (Proof), MPa 580 to 1310
410

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 840
410
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
52
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
4.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.7
Embodied Energy, MJ/kg 39
23
Embodied Water, L/kg 130
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 160
120
Resilience: Unit (Modulus of Resilience), kJ/m3 850 to 4400
450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 35 to 50
20
Strength to Weight: Bending, points 28 to 36
20
Thermal Diffusivity, mm2/s 4.5
14
Thermal Shock Resistance, points 33 to 47
17

Alloy Composition

Carbon (C), % 0 to 0.050
0.060 to 0.12
Chromium (Cr), % 14 to 16
0
Copper (Cu), % 1.3 to 1.8
0
Iron (Fe), % 72.1 to 79.3
94.4 to 96.4
Manganese (Mn), % 0 to 1.0
0.5 to 0.8
Molybdenum (Mo), % 0.5 to 1.0
0
Nickel (Ni), % 5.0 to 7.0
3.0 to 4.0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015