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EN 1.7375 Steel vs. EN 1.4547 Stainless Steel

Both EN 1.7375 steel and EN 1.4547 stainless steel are iron alloys. They have 58% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, 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 1.4547 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
39
Fatigue Strength, MPa 270
290
Impact Strength: V-Notched Charpy, J 80
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
80
Shear Strength, MPa 380
510
Tensile Strength: Ultimate (UTS), MPa 620
750
Tensile Strength: Yield (Proof), MPa 400
340

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 460
1090
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 39
14
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
28
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.8
5.6
Embodied Energy, MJ/kg 23
75
Embodied Water, L/kg 59
190

Common Calculations

PREN (Pitting Resistance) 5.6
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 420
290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
26
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 11
3.8
Thermal Shock Resistance, points 18
16

Alloy Composition

Aluminum (Al), % 0.010 to 0.040
0
Carbon (C), % 0.1 to 0.15
0 to 0.020
Chromium (Cr), % 2.0 to 2.5
19.5 to 20.5
Copper (Cu), % 0 to 0.25
0.5 to 1.0
Iron (Fe), % 94.5 to 96.7
51 to 56.3
Manganese (Mn), % 0.3 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
6.0 to 7.0
Nickel (Ni), % 0 to 0.3
17.5 to 18.5
Nitrogen (N), % 0 to 0.012
0.18 to 0.25
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.3
0 to 0.7
Sulfur (S), % 0 to 0.010
0 to 0.010