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ASTM A387 Grade 5 Steel vs. EN 1.4874 Stainless Steel

Both ASTM A387 grade 5 steel and EN 1.4874 stainless steel are iron alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. 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 5 steel and the bottom bar is EN 1.4874 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
140
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 20 to 21
6.7
Fatigue Strength, MPa 160 to 240
180
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
80
Tensile Strength: Ultimate (UTS), MPa 500 to 600
480
Tensile Strength: Yield (Proof), MPa 230 to 350
360

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 510
1150
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 40
13
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
70
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 1.7
7.6
Embodied Energy, MJ/kg 23
110
Embodied Water, L/kg 69
290

Common Calculations

PREN (Pitting Resistance) 6.8
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 110
29
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18 to 21
16
Strength to Weight: Bending, points 18 to 20
16
Thermal Diffusivity, mm2/s 11
3.3
Thermal Shock Resistance, points 14 to 17
11

Alloy Composition

Carbon (C), % 0 to 0.15
0.35 to 0.65
Chromium (Cr), % 4.0 to 6.0
19 to 22
Cobalt (Co), % 0
18.5 to 22
Iron (Fe), % 92.1 to 95.3
23 to 38.9
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.45 to 0.65
2.5 to 3.0
Nickel (Ni), % 0
18 to 22
Niobium (Nb), % 0
0.75 to 1.3
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0
2.0 to 3.0