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EN 1.3553 Steel vs. EN 1.4818 Stainless Steel

Both EN 1.3553 steel and EN 1.4818 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 26 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 1.4818 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 720
700

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 540
1050
Melting Completion (Liquidus), °C 1620
1410
Melting Onset (Solidus), °C 1570
1370
Specific Heat Capacity, J/kg-K 440
490
Thermal Conductivity, W/m-K 24
17
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 24
16
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 8.5
3.1
Embodied Energy, MJ/kg 130
44
Embodied Water, L/kg 96
150

Common Calculations

PREN (Pitting Resistance) 31
22
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 6.4
4.5
Thermal Shock Resistance, points 21
15

Alloy Composition

Carbon (C), % 0.78 to 0.86
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 3.9 to 4.3
18 to 20
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 80.7 to 83.7
65.6 to 71.8
Manganese (Mn), % 0 to 0.4
0 to 1.0
Molybdenum (Mo), % 4.7 to 5.2
0
Nickel (Ni), % 0
9.0 to 11
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
1.0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 6.0 to 6.7
0
Vanadium (V), % 1.7 to 2.0
0