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EN 1.4874 Stainless Steel vs. ASTM A387 Grade 11 Steel

Both EN 1.4874 stainless steel and ASTM A387 grade 11 steel are iron alloys. They have a modest 34% 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 EN 1.4874 stainless steel and the bottom bar is ASTM A387 grade 11 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 6.7
25
Fatigue Strength, MPa 180
200 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 480
500 to 600
Tensile Strength: Yield (Proof), MPa 360
270 to 350

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1150
430
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
39
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
2.9
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.6
1.6
Embodied Energy, MJ/kg 110
21
Embodied Water, L/kg 290
53

Common Calculations

PREN (Pitting Resistance) 34
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
100 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 310
200 to 320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
18 to 21
Strength to Weight: Bending, points 16
18 to 20
Thermal Diffusivity, mm2/s 3.3
11
Thermal Shock Resistance, points 11
15 to 18

Alloy Composition

Carbon (C), % 0.35 to 0.65
0.050 to 0.17
Chromium (Cr), % 19 to 22
1.0 to 1.5
Cobalt (Co), % 18.5 to 22
0
Iron (Fe), % 23 to 38.9
96.2 to 97.6
Manganese (Mn), % 0 to 2.0
0.4 to 0.65
Molybdenum (Mo), % 2.5 to 3.0
0.45 to 0.65
Nickel (Ni), % 18 to 22
0
Niobium (Nb), % 0.75 to 1.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.5 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 2.0 to 3.0
0