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EN 1.1147 Steel vs. EN 1.4874 Stainless Steel

Both EN 1.1147 steel and EN 1.4874 stainless steel are iron alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.1147 steel and the bottom bar is EN 1.4874 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 140
140
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 12 to 17
6.7
Fatigue Strength, MPa 180 to 250
180
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 390 to 470
480
Tensile Strength: Yield (Proof), MPa 280 to 370
360

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
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 51
13
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
70
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 1.4
7.6
Embodied Energy, MJ/kg 18
110
Embodied Water, L/kg 46
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 73
29
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 370
310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 14 to 17
16
Strength to Weight: Bending, points 15 to 17
16
Thermal Diffusivity, mm2/s 14
3.3
Thermal Shock Resistance, points 12 to 15
11

Alloy Composition

Carbon (C), % 0.15 to 0.19
0.35 to 0.65
Chromium (Cr), % 0
19 to 22
Cobalt (Co), % 0
18.5 to 22
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98.3 to 99.25
23 to 38.9
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0
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 0.3
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0
2.0 to 3.0