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ASTM A387 Grade 2 Steel vs. EN 1.4423 Stainless Steel

Both ASTM A387 grade 2 steel and EN 1.4423 stainless 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 (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 2 steel and the bottom bar is EN 1.4423 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
17
Fatigue Strength, MPa 190 to 250
380
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 300 to 350
520
Tensile Strength: Ultimate (UTS), MPa 470 to 550
850
Tensile Strength: Yield (Proof), MPa 260 to 350
630

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
780
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
16
Thermal Expansion, µm/m-K 13
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
14
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.6
3.2
Embodied Energy, MJ/kg 20
43
Embodied Water, L/kg 50
120

Common Calculations

PREN (Pitting Resistance) 2.4
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
130
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 320
1000
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 20
30
Strength to Weight: Bending, points 17 to 19
25
Thermal Diffusivity, mm2/s 12
4.3
Thermal Shock Resistance, points 14 to 16
31

Alloy Composition

Carbon (C), % 0.050 to 0.21
0 to 0.020
Chromium (Cr), % 0.5 to 0.8
11 to 13
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 97.1 to 98.3
73.8 to 80.5
Manganese (Mn), % 0.55 to 0.8
0 to 2.0
Molybdenum (Mo), % 0.45 to 0.6
2.3 to 2.8
Nickel (Ni), % 0
6.0 to 7.0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.0030