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EN 1.3553 Steel vs. S44625 Stainless Steel

Both EN 1.3553 steel and S44625 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.3553 steel and the bottom bar is S44625 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 720
590

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 540
1100
Melting Completion (Liquidus), °C 1620
1440
Melting Onset (Solidus), °C 1570
1400
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 24
17
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 24
14
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 8.5
2.8
Embodied Energy, MJ/kg 130
39
Embodied Water, L/kg 96
160

Common Calculations

PREN (Pitting Resistance) 31
30
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 24
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 6.4
4.6
Thermal Shock Resistance, points 21
19

Alloy Composition

Carbon (C), % 0.78 to 0.86
0 to 0.010
Chromium (Cr), % 3.9 to 4.3
25 to 27.5
Copper (Cu), % 0 to 0.3
0 to 0.2
Iron (Fe), % 80.7 to 83.7
69.4 to 74.3
Manganese (Mn), % 0 to 0.4
0 to 0.4
Molybdenum (Mo), % 4.7 to 5.2
0.75 to 1.5
Nickel (Ni), % 0
0 to 0.5
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.020
Tungsten (W), % 6.0 to 6.7
0
Vanadium (V), % 1.7 to 2.0
0