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S38100 Stainless Steel vs. ASTM A372 Grade L Steel

Both S38100 stainless steel and ASTM A372 grade L steel are iron alloys. They have 65% 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 S38100 stainless steel and the bottom bar is ASTM A372 grade L steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
350
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
14
Fatigue Strength, MPa 210
670
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 400
700
Tensile Strength: Ultimate (UTS), MPa 580
1160
Tensile Strength: Yield (Proof), MPa 230
1040

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 970
430
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
44
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 20
3.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.7
Embodied Energy, MJ/kg 54
22
Embodied Water, L/kg 160
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
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 21
41
Strength to Weight: Bending, points 20
31
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 13
34

Alloy Composition

Carbon (C), % 0 to 0.080
0.38 to 0.43
Chromium (Cr), % 17 to 19
0.7 to 0.9
Iron (Fe), % 57.9 to 64
95.2 to 96.3
Manganese (Mn), % 0 to 2.0
0.6 to 0.8
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 17.5 to 18.5
1.7 to 2.0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 1.5 to 2.5
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010