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EN 1.4849 Stainless Steel vs. EN 1.3551 Steel

Both EN 1.4849 stainless steel and EN 1.3551 steel are iron alloys. They have 43% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 1.3551 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
75
Tensile Strength: Ultimate (UTS), MPa 480
720

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Maximum Temperature: Mechanical, °C 1020
530
Melting Completion (Liquidus), °C 1390
1490
Melting Onset (Solidus), °C 1340
1450
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 12
36
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 42
9.0
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 7.1
4.9
Embodied Energy, MJ/kg 100
71
Embodied Water, L/kg 200
82

Common Calculations

PREN (Pitting Resistance) 20
18
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
26
Strength to Weight: Bending, points 17
23
Thermal Diffusivity, mm2/s 3.2
9.8
Thermal Shock Resistance, points 11
21

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.77 to 0.85
Chromium (Cr), % 18 to 21
3.9 to 4.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 32.6 to 43.5
88.8 to 91.1
Manganese (Mn), % 0 to 2.0
0.15 to 0.35
Molybdenum (Mo), % 0 to 0.5
4.0 to 4.5
Nickel (Ni), % 36 to 39
0
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 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0
0 to 0.25
Vanadium (V), % 0
0.9 to 1.1