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EN 1.4558 Stainless Steel vs. EN 1.7365 Steel

Both EN 1.4558 stainless steel and EN 1.7365 steel are iron alloys. They have 49% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4558 stainless steel and the bottom bar is EN 1.7365 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
18
Fatigue Strength, MPa 170
320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 510
700
Tensile Strength: Yield (Proof), MPa 200
470

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
510
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
4.4
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.5
1.8
Embodied Energy, MJ/kg 77
24
Embodied Water, L/kg 200
70

Common Calculations

PREN (Pitting Resistance) 22
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
110
Resilience: Unit (Modulus of Resilience), kJ/m3 100
580
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
25
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 3.1
11
Thermal Shock Resistance, points 12
20

Alloy Composition

Aluminum (Al), % 0.15 to 0.45
0
Carbon (C), % 0 to 0.030
0.12 to 0.19
Chromium (Cr), % 20 to 23
4.0 to 6.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 39.2 to 47.9
91.2 to 94.9
Manganese (Mn), % 0 to 1.0
0.5 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 32 to 35
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 0 to 0.6
0
Vanadium (V), % 0
0 to 0.050