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EN 1.4872 Stainless Steel vs. EN 1.6579 Steel

Both EN 1.4872 stainless steel and EN 1.6579 steel are iron alloys. They have 62% 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 1.4872 stainless steel and the bottom bar is EN 1.6579 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
260 to 290
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
11 to 14
Fatigue Strength, MPa 410
380 to 570
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 950
850 to 980
Tensile Strength: Yield (Proof), MPa 560
600 to 910

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1150
440
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 17
3.7
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.7
Embodied Energy, MJ/kg 47
22
Embodied Water, L/kg 180
56

Common Calculations

PREN (Pitting Resistance) 30
2.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
100 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 780
950 to 2210
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 35
30 to 35
Strength to Weight: Bending, points 28
25 to 28
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 21
25 to 29

Alloy Composition

Carbon (C), % 0.2 to 0.3
0.32 to 0.38
Chromium (Cr), % 24 to 26
1.4 to 1.7
Iron (Fe), % 54.2 to 61.6
94.2 to 96.1
Manganese (Mn), % 8.0 to 10
0.6 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.35
Nickel (Ni), % 6.0 to 8.0
1.4 to 1.7
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030