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ASTM A387 Grade 5 Steel vs. EN 1.4821 Stainless Steel

Both ASTM A387 grade 5 steel and EN 1.4821 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 5 steel and the bottom bar is EN 1.4821 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20 to 21
18
Fatigue Strength, MPa 160 to 240
280
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
79
Shear Strength, MPa 310 to 380
450
Tensile Strength: Ultimate (UTS), MPa 500 to 600
730
Tensile Strength: Yield (Proof), MPa 230 to 350
450

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 510
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 40
17
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
15
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.7
2.9
Embodied Energy, MJ/kg 23
41
Embodied Water, L/kg 69
160

Common Calculations

PREN (Pitting Resistance) 6.8
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
500
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 18 to 21
26
Strength to Weight: Bending, points 18 to 20
23
Thermal Diffusivity, mm2/s 11
4.6
Thermal Shock Resistance, points 14 to 17
21

Alloy Composition

Carbon (C), % 0 to 0.15
0.1 to 0.2
Chromium (Cr), % 4.0 to 6.0
24.5 to 26.5
Iron (Fe), % 92.1 to 95.3
64.2 to 71.1
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.45 to 0.65
0
Nickel (Ni), % 0
3.5 to 5.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0.8 to 1.5
Sulfur (S), % 0 to 0.025
0 to 0.015