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EN 1.4362 Stainless Steel vs. EN 1.7231 Steel

Both EN 1.4362 stainless steel and EN 1.7231 steel are iron alloys. They have 72% 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 1.4362 stainless steel and the bottom bar is EN 1.7231 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
240 to 280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
11 to 12
Fatigue Strength, MPa 320
360 to 500
Impact Strength: V-Notched Charpy, J 90
28 to 30
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 730
790 to 930
Tensile Strength: Yield (Proof), MPa 460
570 to 800

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1060
420
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.5
Embodied Energy, MJ/kg 41
20
Embodied Water, L/kg 160
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
87 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 530
870 to 1700
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
28 to 33
Strength to Weight: Bending, points 23
24 to 27
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 20
23 to 27

Alloy Composition

Carbon (C), % 0 to 0.030
0.38 to 0.45
Chromium (Cr), % 22 to 24.5
0.8 to 1.2
Copper (Cu), % 0.1 to 0.6
0
Iron (Fe), % 65.5 to 74.3
96.4 to 98.1
Manganese (Mn), % 0 to 2.0
0.6 to 1.0
Molybdenum (Mo), % 0.1 to 0.6
0.15 to 0.3
Nickel (Ni), % 3.5 to 5.5
0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030