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EN 1.1221 Steel vs. N08028 Stainless Steel

Both EN 1.1221 steel and N08028 stainless steel are iron alloys. They have a modest 36% 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 (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.1221 steel and the bottom bar is N08028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 250
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 10 to 21
45
Fatigue Strength, MPa 240 to 340
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
80
Shear Strength, MPa 450 to 520
400
Tensile Strength: Ultimate (UTS), MPa 730 to 870
570
Tensile Strength: Yield (Proof), MPa 390 to 550
240

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 48
12
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
37
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.5
6.4
Embodied Energy, MJ/kg 19
89
Embodied Water, L/kg 47
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67 to 130
210
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 800
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 31
19
Strength to Weight: Bending, points 23 to 26
19
Thermal Diffusivity, mm2/s 13
3.2
Thermal Shock Resistance, points 23 to 28
12

Alloy Composition

Carbon (C), % 0.57 to 0.65
0 to 0.030
Chromium (Cr), % 0 to 0.4
26 to 28
Copper (Cu), % 0
0.6 to 1.4
Iron (Fe), % 97.1 to 98.8
29 to 40.4
Manganese (Mn), % 0.6 to 0.9
0 to 2.5
Molybdenum (Mo), % 0 to 0.1
3.0 to 4.0
Nickel (Ni), % 0 to 0.4
30 to 34
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.030