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EN 1.3553 Steel vs. EN 1.4525 Stainless Steel

Both EN 1.3553 steel and EN 1.4525 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.3553 steel and the bottom bar is EN 1.4525 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 720
1030 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 540
860
Melting Completion (Liquidus), °C 1620
1430
Melting Onset (Solidus), °C 1570
1390
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 24
18
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
13
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.5
2.8
Embodied Energy, MJ/kg 130
39
Embodied Water, L/kg 96
130

Common Calculations

PREN (Pitting Resistance) 31
18
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 24
36 to 45
Strength to Weight: Bending, points 21
29 to 33
Thermal Diffusivity, mm2/s 6.4
4.7
Thermal Shock Resistance, points 21
34 to 41

Alloy Composition

Carbon (C), % 0.78 to 0.86
0 to 0.070
Chromium (Cr), % 3.9 to 4.3
15 to 17
Copper (Cu), % 0 to 0.3
2.5 to 4.0
Iron (Fe), % 80.7 to 83.7
70.4 to 79
Manganese (Mn), % 0 to 0.4
0 to 1.0
Molybdenum (Mo), % 4.7 to 5.2
0 to 0.8
Nickel (Ni), % 0
3.5 to 5.5
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.025
Tungsten (W), % 6.0 to 6.7
0
Vanadium (V), % 1.7 to 2.0
0