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S41050 Stainless Steel vs. ASTM A372 Grade L Steel

Both S41050 stainless steel and ASTM A372 grade L steel are iron alloys. They have 89% 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 S41050 stainless steel and the bottom bar is ASTM A372 grade L steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
350
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
14
Fatigue Strength, MPa 160
670
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 300
700
Tensile Strength: Ultimate (UTS), MPa 470
1160
Tensile Strength: Yield (Proof), MPa 230
1040

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 720
430
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
44
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
3.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.7
Embodied Energy, MJ/kg 27
22
Embodied Water, L/kg 97
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98
150
Resilience: Unit (Modulus of Resilience), kJ/m3 140
2890
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
41
Strength to Weight: Bending, points 17
31
Thermal Diffusivity, mm2/s 7.2
12
Thermal Shock Resistance, points 17
34

Alloy Composition

Carbon (C), % 0 to 0.040
0.38 to 0.43
Chromium (Cr), % 10.5 to 12.5
0.7 to 0.9
Iron (Fe), % 84.2 to 88.9
95.2 to 96.3
Manganese (Mn), % 0 to 1.0
0.6 to 0.8
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 0.6 to 1.1
1.7 to 2.0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.015
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010