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EN 1.1221 Steel vs. S46910 Stainless Steel

Both EN 1.1221 steel and S46910 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.1221 steel and the bottom bar is S46910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 250
270 to 630
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 10 to 21
2.2 to 11
Fatigue Strength, MPa 240 to 340
250 to 1020
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 450 to 520
410 to 1410
Tensile Strength: Ultimate (UTS), MPa 730 to 870
680 to 2470
Tensile Strength: Yield (Proof), MPa 390 to 550
450 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
810
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
18
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
4.1
Embodied Energy, MJ/kg 19
55
Embodied Water, L/kg 47
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67 to 130
48 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 800
510 to 4780
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 31
24 to 86
Strength to Weight: Bending, points 23 to 26
22 to 51
Thermal Shock Resistance, points 23 to 28
23 to 84

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.5
Carbon (C), % 0.57 to 0.65
0 to 0.030
Chromium (Cr), % 0 to 0.4
11 to 13
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 97.1 to 98.8
65 to 76
Manganese (Mn), % 0.6 to 0.9
0 to 1.0
Molybdenum (Mo), % 0 to 0.1
3.0 to 5.0
Nickel (Ni), % 0 to 0.4
8.0 to 10
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.7
Sulfur (S), % 0 to 0.035
0 to 0.015
Titanium (Ti), % 0
0.5 to 1.2

Comparable Variants