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ASTM A387 Grade 2 Steel vs. EN 1.4313 Stainless Steel

Both ASTM A387 grade 2 steel and EN 1.4313 stainless steel are iron alloys. They have 83% 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 1.4313 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
12 to 17
Fatigue Strength, MPa 190 to 250
340 to 510
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 300 to 350
460 to 600
Tensile Strength: Ultimate (UTS), MPa 470 to 550
750 to 1000
Tensile Strength: Yield (Proof), MPa 260 to 350
580 to 910

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
780
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
10
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.6
2.4
Embodied Energy, MJ/kg 20
34
Embodied Water, L/kg 50
110

Common Calculations

PREN (Pitting Resistance) 2.4
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 320
870 to 2100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 20
27 to 36
Strength to Weight: Bending, points 17 to 19
23 to 28
Thermal Diffusivity, mm2/s 12
6.7
Thermal Shock Resistance, points 14 to 16
27 to 36

Alloy Composition

Carbon (C), % 0.050 to 0.21
0 to 0.050
Chromium (Cr), % 0.5 to 0.8
12 to 14
Iron (Fe), % 97.1 to 98.3
78.5 to 84.2
Manganese (Mn), % 0.55 to 0.8
0 to 1.5
Molybdenum (Mo), % 0.45 to 0.6
0.3 to 0.7
Nickel (Ni), % 0
3.5 to 4.5
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 0.7
Sulfur (S), % 0 to 0.025
0 to 0.015

Comparable Variants