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EN 1.4849 Stainless Steel vs. EN 1.8879 Steel

Both EN 1.4849 stainless steel and EN 1.8879 steel are iron alloys. They have 42% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 1.8879 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.5
16
Fatigue Strength, MPa 120
460
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 480
830
Tensile Strength: Yield (Proof), MPa 250
710

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Maximum Temperature: Mechanical, °C 1020
420
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
40
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
1.9
Embodied Energy, MJ/kg 100
26
Embodied Water, L/kg 200
54

Common Calculations

PREN (Pitting Resistance) 20
2.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
1320
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
29
Strength to Weight: Bending, points 17
25
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 11
24

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.3 to 0.5
0 to 0.2
Chromium (Cr), % 18 to 21
0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 32.6 to 43.5
91.9 to 100
Manganese (Mn), % 0 to 2.0
0 to 1.7
Molybdenum (Mo), % 0 to 0.5
0 to 0.7
Nickel (Ni), % 36 to 39
0 to 2.5
Niobium (Nb), % 1.2 to 1.8
0 to 0.060
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.0 to 2.5
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.12
Zirconium (Zr), % 0
0 to 0.15