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EN 1.4537 Stainless Steel vs. EN 1.7379 Steel

Both EN 1.4537 stainless steel and EN 1.7379 steel are iron alloys. They have 46% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4537 stainless steel and the bottom bar is EN 1.7379 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
200
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 42
21
Fatigue Strength, MPa 290
320
Impact Strength: V-Notched Charpy, J 91
45
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 700
670
Tensile Strength: Yield (Proof), MPa 330
460

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1100
460
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 34
3.8
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.1
1.8
Embodied Energy, MJ/kg 84
23
Embodied Water, L/kg 220
59

Common Calculations

PREN (Pitting Resistance) 46
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
120
Resilience: Unit (Modulus of Resilience), kJ/m3 270
550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
24
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 3.7
11
Thermal Shock Resistance, points 15
19

Alloy Composition

Carbon (C), % 0 to 0.020
0.13 to 0.2
Chromium (Cr), % 24 to 26
2.0 to 2.5
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 36.3 to 46.1
94.5 to 96.5
Manganese (Mn), % 0 to 2.0
0.5 to 0.9
Molybdenum (Mo), % 4.7 to 5.7
0.9 to 1.2
Nickel (Ni), % 24 to 27
0
Nitrogen (N), % 0.17 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.030