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EN 1.3553 Steel vs. EN 1.7378 Steel

Both EN 1.3553 steel and EN 1.7378 steel are iron alloys. They have 86% 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 1.7378 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 720
700

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 540
460
Melting Completion (Liquidus), °C 1620
1470
Melting Onset (Solidus), °C 1570
1430
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 24
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
4.0
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.5
2.3
Embodied Energy, MJ/kg 130
33
Embodied Water, L/kg 96
61

Common Calculations

PREN (Pitting Resistance) 31
5.8
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 6.4
10
Thermal Shock Resistance, points 21
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0015 to 0.0070
Carbon (C), % 0.78 to 0.86
0.050 to 0.1
Chromium (Cr), % 3.9 to 4.3
2.2 to 2.6
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 80.7 to 83.7
94.6 to 96.1
Manganese (Mn), % 0 to 0.4
0.3 to 0.7
Molybdenum (Mo), % 4.7 to 5.2
0.9 to 1.1
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.4
0.15 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0.050 to 0.1
Tungsten (W), % 6.0 to 6.7
0
Vanadium (V), % 1.7 to 2.0
0.2 to 0.3