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EN 1.7231 Steel vs. AISI 301L Stainless Steel

Both EN 1.7231 steel and AISI 301L stainless steel are iron alloys. They have 76% 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 1.7231 steel and the bottom bar is AISI 301L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240 to 280
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 12
22 to 50
Fatigue Strength, MPa 360 to 500
240 to 530
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 790 to 930
620 to 1040
Tensile Strength: Yield (Proof), MPa 570 to 800
250 to 790

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
890
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 46
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 20
39
Embodied Water, L/kg 51
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 100
210 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 870 to 1700
160 to 1580
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 28 to 33
22 to 37
Strength to Weight: Bending, points 24 to 27
21 to 29
Thermal Diffusivity, mm2/s 12
4.1
Thermal Shock Resistance, points 23 to 27
14 to 24

Alloy Composition

Carbon (C), % 0.38 to 0.45
0 to 0.030
Chromium (Cr), % 0.8 to 1.2
16 to 18
Iron (Fe), % 96.4 to 98.1
70.7 to 78
Manganese (Mn), % 0.6 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030

Comparable Variants