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EN 1.5918 Steel vs. EN 1.4849 Stainless Steel

Both EN 1.5918 steel and EN 1.4849 stainless steel are iron alloys. They have 42% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.5918 steel and the bottom bar is EN 1.4849 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 190
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 530 to 1390
480

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 440
1020
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 43
12
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
42
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.6
7.1
Embodied Energy, MJ/kg 21
100
Embodied Water, L/kg 56
200

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 49
17
Strength to Weight: Bending, points 18 to 35
17
Thermal Diffusivity, mm2/s 12
3.2
Thermal Shock Resistance, points 15 to 41
11

Alloy Composition

Carbon (C), % 0.14 to 0.2
0.3 to 0.5
Chromium (Cr), % 1.4 to 1.7
18 to 21
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 94.9 to 96.6
32.6 to 43.5
Manganese (Mn), % 0.5 to 0.9
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 1.4 to 1.7
36 to 39
Niobium (Nb), % 0
1.2 to 1.8
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
1.0 to 2.5
Sulfur (S), % 0 to 0.025
0 to 0.030