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EN 1.4740 Stainless Steel vs. EN 1.3553 Steel

Both EN 1.4740 stainless steel and EN 1.3553 steel are iron alloys. They have 84% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4740 stainless steel and the bottom bar is EN 1.3553 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
77

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 900
540
Melting Completion (Liquidus), °C 1420
1620
Melting Onset (Solidus), °C 1370
1570
Specific Heat Capacity, J/kg-K 490
440
Thermal Conductivity, W/m-K 18
24
Thermal Expansion, µm/m-K 10
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
24
Density, g/cm3 7.6
8.4
Embodied Carbon, kg CO2/kg material 2.3
8.5
Embodied Energy, MJ/kg 32
130
Embodied Water, L/kg 120
96

Common Calculations

PREN (Pitting Resistance) 18
31
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Thermal Diffusivity, mm2/s 4.8
6.4

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.78 to 0.86
Chromium (Cr), % 16 to 19
3.9 to 4.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 75.4 to 82.7
80.7 to 83.7
Manganese (Mn), % 0 to 1.0
0 to 0.4
Molybdenum (Mo), % 0 to 0.5
4.7 to 5.2
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.0 to 2.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0
6.0 to 6.7
Vanadium (V), % 0
1.7 to 2.0