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EN 1.7379 Steel vs. S21460 Stainless Steel

Both EN 1.7379 steel and S21460 stainless steel are iron alloys. They have 64% 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 1.7379 steel and the bottom bar is S21460 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
46
Fatigue Strength, MPa 320
390
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Tensile Strength: Ultimate (UTS), MPa 670
830
Tensile Strength: Yield (Proof), MPa 460
430

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 460
920
Melting Completion (Liquidus), °C 1470
1380
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
18

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
14
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.8
3.0
Embodied Energy, MJ/kg 23
43
Embodied Water, L/kg 59
160

Common Calculations

PREN (Pitting Resistance) 5.7
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
320
Resilience: Unit (Modulus of Resilience), kJ/m3 550
460
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
30
Strength to Weight: Bending, points 22
26
Thermal Shock Resistance, points 19
17

Alloy Composition

Carbon (C), % 0.13 to 0.2
0 to 0.12
Chromium (Cr), % 2.0 to 2.5
17 to 19
Iron (Fe), % 94.5 to 96.5
57.3 to 63.7
Manganese (Mn), % 0.5 to 0.9
14 to 16
Molybdenum (Mo), % 0.9 to 1.2
0
Nickel (Ni), % 0
5.0 to 6.0
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.060
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030