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EN 1.4597 Stainless Steel vs. EN 1.7375 Steel

Both EN 1.4597 stainless steel and EN 1.7375 steel are iron alloys. They have 73% 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 1.4597 stainless steel and the bottom bar is EN 1.7375 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 45
20
Fatigue Strength, MPa 300
270
Impact Strength: V-Notched Charpy, J 90
80
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 470
380
Tensile Strength: Ultimate (UTS), MPa 680
620
Tensile Strength: Yield (Proof), MPa 330
400

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 860
460
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1350
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
3.9
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.5
1.8
Embodied Energy, MJ/kg 36
23
Embodied Water, L/kg 140
59

Common Calculations

PREN (Pitting Resistance) 21
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
110
Resilience: Unit (Modulus of Resilience), kJ/m3 280
420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
22
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 15
18

Alloy Composition

Aluminum (Al), % 0
0.010 to 0.040
Carbon (C), % 0 to 0.1
0.1 to 0.15
Chromium (Cr), % 15 to 18
2.0 to 2.5
Copper (Cu), % 2.0 to 3.5
0 to 0.25
Iron (Fe), % 63 to 76.4
94.5 to 96.7
Manganese (Mn), % 6.5 to 9.0
0.3 to 0.8
Molybdenum (Mo), % 0 to 1.0
0.9 to 1.1
Nickel (Ni), % 0 to 3.0
0 to 0.3
Nitrogen (N), % 0.1 to 0.3
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 2.0
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.010