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EN 1.4508 Stainless Steel vs. EN 1.7375 Steel

Both EN 1.4508 stainless steel and EN 1.7375 steel are iron alloys. They have 70% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4508 stainless steel and the bottom bar is EN 1.7375 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
20
Fatigue Strength, MPa 210
270
Impact Strength: V-Notched Charpy, J 90
80
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
74
Tensile Strength: Ultimate (UTS), MPa 570
620
Tensile Strength: Yield (Proof), MPa 260
400

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1000
460
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 20
3.9
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.0
1.8
Embodied Energy, MJ/kg 55
23
Embodied Water, L/kg 160
59

Common Calculations

PREN (Pitting Resistance) 32
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
110
Resilience: Unit (Modulus of Resilience), kJ/m3 170
420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
22
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 17
18

Alloy Composition

Aluminum (Al), % 0
0.010 to 0.040
Carbon (C), % 0 to 0.030
0.1 to 0.15
Chromium (Cr), % 18 to 20
2.0 to 2.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 61.2 to 69.9
94.5 to 96.7
Manganese (Mn), % 0 to 1.5
0.3 to 0.8
Molybdenum (Mo), % 3.0 to 3.5
0.9 to 1.1
Nickel (Ni), % 9.0 to 12
0 to 0.3
Nitrogen (N), % 0.1 to 0.2
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.5
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.010