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EN 1.1221 Steel vs. S30600 Stainless Steel

Both EN 1.1221 steel and S30600 stainless steel are iron alloys. They have 64% 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 S30600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 250
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10 to 21
45
Fatigue Strength, MPa 240 to 340
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 450 to 520
430
Tensile Strength: Ultimate (UTS), MPa 730 to 870
610
Tensile Strength: Yield (Proof), MPa 390 to 550
270

Thermal Properties

Latent Heat of Fusion, J/g 250
350
Maximum Temperature: Mechanical, °C 400
950
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 48
14
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
19
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.5
3.6
Embodied Energy, MJ/kg 19
51
Embodied Water, L/kg 47
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67 to 130
220
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 800
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 31
22
Strength to Weight: Bending, points 23 to 26
21
Thermal Diffusivity, mm2/s 13
3.7
Thermal Shock Resistance, points 23 to 28
14

Alloy Composition

Carbon (C), % 0.57 to 0.65
0 to 0.018
Chromium (Cr), % 0 to 0.4
17 to 18.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 97.1 to 98.8
58.9 to 65.3
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0 to 0.1
0 to 0.2
Nickel (Ni), % 0 to 0.4
14 to 15.5
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 0.4
3.7 to 4.3
Sulfur (S), % 0 to 0.035
0 to 0.020