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ASTM A372 Grade L Steel vs. EN 1.4303 Stainless Steel

Both ASTM A372 grade L steel and EN 1.4303 stainless steel are iron alloys. They have 72% 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 EN 1.4303 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 14
13 to 49
Fatigue Strength, MPa 670
220 to 320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 700
420 to 540
Tensile Strength: Ultimate (UTS), MPa 1160
590 to 900
Tensile Strength: Yield (Proof), MPa 1040
230 to 560

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 430
940
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
17
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
3.2
Embodied Energy, MJ/kg 22
46
Embodied Water, L/kg 54
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
110 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 2890
140 to 800
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 41
21 to 32
Strength to Weight: Bending, points 31
20 to 26
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 34
13 to 20

Alloy Composition

Carbon (C), % 0.38 to 0.43
0 to 0.060
Chromium (Cr), % 0.7 to 0.9
17 to 19
Iron (Fe), % 95.2 to 96.3
64.8 to 72
Manganese (Mn), % 0.6 to 0.8
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.3
0
Nickel (Ni), % 1.7 to 2.0
11 to 13
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015