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EN 1.7375 Steel vs. EN 1.7220 Steel

Both EN 1.7375 steel and EN 1.7220 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.7375 steel and the bottom bar is EN 1.7220 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
160 to 290
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 620
520 to 1720

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 460
420
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
2.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.5
Embodied Energy, MJ/kg 23
20
Embodied Water, L/kg 59
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
18 to 61
Strength to Weight: Bending, points 20
18 to 41
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 18
15 to 50

Alloy Composition

Aluminum (Al), % 0.010 to 0.040
0
Carbon (C), % 0.1 to 0.15
0.3 to 0.37
Chromium (Cr), % 2.0 to 2.5
0.9 to 1.2
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 94.5 to 96.7
96.8 to 98.1
Manganese (Mn), % 0.3 to 0.8
0.6 to 0.9
Molybdenum (Mo), % 0.9 to 1.1
0.15 to 0.3
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 0.3
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035