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EN 1.7231 Steel vs. AISI 310 Stainless Steel

Both EN 1.7231 steel and AISI 310 stainless steel are iron alloys. They have 55% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.7231 steel and the bottom bar is AISI 310 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240 to 280
180 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 12
34 to 45
Fatigue Strength, MPa 360 to 500
240 to 280
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 790 to 930
600 to 710
Tensile Strength: Yield (Proof), MPa 570 to 800
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 420
1040
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 46
15
Thermal Expansion, µm/m-K 13
15

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
25
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
4.3
Embodied Energy, MJ/kg 20
61
Embodied Water, L/kg 51
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 100
200 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 870 to 1700
170 to 310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 28 to 33
21 to 25
Strength to Weight: Bending, points 24 to 27
20 to 22
Thermal Diffusivity, mm2/s 12
3.9
Thermal Shock Resistance, points 23 to 27
14 to 17

Alloy Composition

Carbon (C), % 0.38 to 0.45
0 to 0.25
Chromium (Cr), % 0.8 to 1.2
24 to 26
Iron (Fe), % 96.4 to 98.1
48.2 to 57
Manganese (Mn), % 0.6 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0
19 to 22
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.6
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030

Comparable Variants