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S45000 Stainless Steel vs. ASTM A372 Grade L Steel

Both S45000 stainless steel and ASTM A372 grade L steel are iron alloys. They have 79% of their average alloy composition in common. There are 31 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 S45000 stainless steel and the bottom bar is ASTM A372 grade L steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 410
350
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.8 to 14
14
Fatigue Strength, MPa 330 to 650
670
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 590 to 830
700
Tensile Strength: Ultimate (UTS), MPa 980 to 1410
1160
Tensile Strength: Yield (Proof), MPa 580 to 1310
1040

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 840
430
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
44
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
3.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.7
Embodied Energy, MJ/kg 39
22
Embodied Water, L/kg 130
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 160
150
Resilience: Unit (Modulus of Resilience), kJ/m3 850 to 4400
2890
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 35 to 50
41
Strength to Weight: Bending, points 28 to 36
31
Thermal Diffusivity, mm2/s 4.5
12
Thermal Shock Resistance, points 33 to 47
34

Alloy Composition

Carbon (C), % 0 to 0.050
0.38 to 0.43
Chromium (Cr), % 14 to 16
0.7 to 0.9
Copper (Cu), % 1.3 to 1.8
0
Iron (Fe), % 72.1 to 79.3
95.2 to 96.3
Manganese (Mn), % 0 to 1.0
0.6 to 0.8
Molybdenum (Mo), % 0.5 to 1.0
0.2 to 0.3
Nickel (Ni), % 5.0 to 7.0
1.7 to 2.0
Phosphorus (P), % 0 to 0.040
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