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ASTM A372 Grade L Steel vs. S41003 Stainless Steel

Both ASTM A372 grade L steel and S41003 stainless 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 ASTM A372 grade L steel and the bottom bar is S41003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14
21
Fatigue Strength, MPa 670
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 700
320
Tensile Strength: Ultimate (UTS), MPa 1160
520
Tensile Strength: Yield (Proof), MPa 1040
310

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
92
Resilience: Unit (Modulus of Resilience), kJ/m3 2890
240
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 41
19
Strength to Weight: Bending, points 31
18
Thermal Diffusivity, mm2/s 12
7.2
Thermal Shock Resistance, points 34
19

Alloy Composition

Carbon (C), % 0.38 to 0.43
0 to 0.030
Chromium (Cr), % 0.7 to 0.9
10.5 to 12.5
Iron (Fe), % 95.2 to 96.3
83.4 to 89.5
Manganese (Mn), % 0.6 to 0.8
0 to 1.5
Molybdenum (Mo), % 0.2 to 0.3
0
Nickel (Ni), % 1.7 to 2.0
0 to 1.5
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030