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ASTM A372 Grade D Steel vs. EN 1.4305 Stainless Steel

Both ASTM A372 grade D steel and EN 1.4305 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 (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A372 grade D steel and the bottom bar is EN 1.4305 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
200 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
14 to 40
Fatigue Strength, MPa 340
190 to 330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 500
420 to 550
Tensile Strength: Ultimate (UTS), MPa 810
610 to 900
Tensile Strength: Yield (Proof), MPa 510
220 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
930
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 51
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
3.0
Embodied Energy, MJ/kg 20
42
Embodied Water, L/kg 48
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 700
120 to 830
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
22 to 32
Strength to Weight: Bending, points 25
20 to 27
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 26
14 to 20

Alloy Composition

Carbon (C), % 0.4 to 0.5
0 to 0.1
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 97.1 to 97.9
66.4 to 74.9
Manganese (Mn), % 1.4 to 1.8
0 to 2.0
Molybdenum (Mo), % 0.17 to 0.27
0
Nickel (Ni), % 0
8.0 to 10
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
0.15 to 0.35