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EN 1.4458 Stainless Steel vs. ASTM A372 Grade L Steel

Both EN 1.4458 stainless steel and ASTM A372 grade L steel are iron alloys. They have 50% 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 1.4458 stainless steel and the bottom bar is ASTM A372 grade L steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
350
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
14
Fatigue Strength, MPa 150
670
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 510
1160
Tensile Strength: Yield (Proof), MPa 190
1040

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
44
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
3.5
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
1.7
Embodied Energy, MJ/kg 75
22
Embodied Water, L/kg 200
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
150
Resilience: Unit (Modulus of Resilience), kJ/m3 89
2890
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
41
Strength to Weight: Bending, points 18
31
Thermal Diffusivity, mm2/s 4.2
12
Thermal Shock Resistance, points 12
34

Alloy Composition

Carbon (C), % 0 to 0.030
0.38 to 0.43
Chromium (Cr), % 19 to 22
0.7 to 0.9
Copper (Cu), % 0 to 2.0
0
Iron (Fe), % 40.2 to 53
95.2 to 96.3
Manganese (Mn), % 0 to 2.0
0.6 to 0.8
Molybdenum (Mo), % 2.0 to 2.5
0.2 to 0.3
Nickel (Ni), % 26 to 30
1.7 to 2.0
Nitrogen (N), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.010