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EN 1.1221 Steel vs. N08332 Stainless Steel

Both EN 1.1221 steel and N08332 stainless steel are iron alloys. They have 45% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.1221 steel and the bottom bar is N08332 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 250
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 10 to 21
34
Fatigue Strength, MPa 240 to 340
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 450 to 520
350
Tensile Strength: Ultimate (UTS), MPa 730 to 870
520
Tensile Strength: Yield (Proof), MPa 390 to 550
210

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1050
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1410
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 48
12
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
32
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.5
5.4
Embodied Energy, MJ/kg 19
77
Embodied Water, L/kg 47
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67 to 130
140
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 800
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 31
18
Strength to Weight: Bending, points 23 to 26
18
Thermal Diffusivity, mm2/s 13
3.1
Thermal Shock Resistance, points 23 to 28
12

Alloy Composition

Carbon (C), % 0.57 to 0.65
0.050 to 0.1
Chromium (Cr), % 0 to 0.4
17 to 20
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 97.1 to 98.8
38.3 to 48.2
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
34 to 37
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.4
0.75 to 1.5
Sulfur (S), % 0 to 0.035
0 to 0.030
Tin (Sn), % 0
0 to 0.025