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EN 1.1170 Steel vs. S21460 Stainless Steel

Both EN 1.1170 steel and S21460 stainless steel are iron alloys. They have 63% 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 1.1170 steel and the bottom bar is S21460 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 210
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16 to 17
46
Fatigue Strength, MPa 220 to 330
390
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 390 to 450
580
Tensile Strength: Ultimate (UTS), MPa 640 to 730
830
Tensile Strength: Yield (Proof), MPa 330 to 500
430

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
920
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
14
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.5
3.0
Embodied Energy, MJ/kg 19
43
Embodied Water, L/kg 49
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 100
320
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 670
460
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 26
30
Strength to Weight: Bending, points 21 to 23
26
Thermal Shock Resistance, points 20 to 23
17

Alloy Composition

Carbon (C), % 0.25 to 0.32
0 to 0.12
Chromium (Cr), % 0 to 0.4
17 to 19
Iron (Fe), % 96.7 to 98.5
57.3 to 63.7
Manganese (Mn), % 1.3 to 1.7
14 to 16
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
5.0 to 6.0
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0 to 0.035
0 to 0.060
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.030