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ASTM A387 Grade 2 Steel vs. EN 1.4986 Stainless Steel

Both ASTM A387 grade 2 steel and EN 1.4986 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 32 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 A387 grade 2 steel and the bottom bar is EN 1.4986 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
18
Fatigue Strength, MPa 190 to 250
350
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 300 to 350
460
Tensile Strength: Ultimate (UTS), MPa 470 to 550
750
Tensile Strength: Yield (Proof), MPa 260 to 350
560

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 420
940
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
15
Thermal Expansion, µm/m-K 13
17

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
25
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.6
4.8
Embodied Energy, MJ/kg 20
67
Embodied Water, L/kg 50
150

Common Calculations

PREN (Pitting Resistance) 2.4
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 320
790
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 20
26
Strength to Weight: Bending, points 17 to 19
23
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 14 to 16
16

Alloy Composition

Boron (B), % 0
0.050 to 0.1
Carbon (C), % 0.050 to 0.21
0.040 to 0.1
Chromium (Cr), % 0.5 to 0.8
15.5 to 17.5
Iron (Fe), % 97.1 to 98.3
59.4 to 66.6
Manganese (Mn), % 0.55 to 0.8
0 to 1.5
Molybdenum (Mo), % 0.45 to 0.6
1.6 to 2.0
Nickel (Ni), % 0
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.15 to 0.4
0.3 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.030