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ASTM A387 Grade 2 Steel vs. EN 1.4805 Stainless Steel

Both ASTM A387 grade 2 steel and EN 1.4805 stainless steel are iron alloys. They have 53% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 1.4805 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
9.0
Fatigue Strength, MPa 190 to 250
130
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 470 to 550
490
Tensile Strength: Yield (Proof), MPa 260 to 350
250

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 420
1000
Melting Completion (Liquidus), °C 1470
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
14
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
26
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.6
4.7
Embodied Energy, MJ/kg 20
66
Embodied Water, L/kg 50
180

Common Calculations

PREN (Pitting Resistance) 2.4
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
37
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 320
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 20
17
Strength to Weight: Bending, points 17 to 19
18
Thermal Diffusivity, mm2/s 12
3.7
Thermal Shock Resistance, points 14 to 16
11

Alloy Composition

Carbon (C), % 0.050 to 0.21
0.2 to 0.5
Chromium (Cr), % 0.5 to 0.8
19 to 23
Iron (Fe), % 97.1 to 98.3
44.9 to 56.8
Manganese (Mn), % 0.55 to 0.8
0 to 2.0
Molybdenum (Mo), % 0.45 to 0.6
0 to 0.5
Nickel (Ni), % 0
23 to 27
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.15 to 0.4
1.0 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.030