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EN 1.4849 Stainless Steel vs. EN 1.6579 Steel

Both EN 1.4849 stainless steel and EN 1.6579 steel are iron alloys. They have 43% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4849 stainless steel and the bottom bar is EN 1.6579 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
260 to 290
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.5
11 to 14
Fatigue Strength, MPa 120
380 to 570
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 480
850 to 980
Tensile Strength: Yield (Proof), MPa 250
600 to 910

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1020
440
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 42
3.7
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 7.1
1.7
Embodied Energy, MJ/kg 100
22
Embodied Water, L/kg 200
56

Common Calculations

PREN (Pitting Resistance) 20
2.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
100 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
950 to 2210
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
30 to 35
Strength to Weight: Bending, points 17
25 to 28
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 11
25 to 29

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.32 to 0.38
Chromium (Cr), % 18 to 21
1.4 to 1.7
Iron (Fe), % 32.6 to 43.5
94.2 to 96.1
Manganese (Mn), % 0 to 2.0
0.6 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.15 to 0.35
Nickel (Ni), % 36 to 39
1.4 to 1.7
Niobium (Nb), % 1.2 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.0 to 2.5
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030