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EN 1.4849 Stainless Steel vs. EN 1.1172 Steel

Both EN 1.4849 stainless steel and EN 1.1172 steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. 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 1.4849 stainless steel and the bottom bar is EN 1.1172 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
72
Tensile Strength: Ultimate (UTS), MPa 480
480 to 1720

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1020
400
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
51
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 42
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 7.1
1.4
Embodied Energy, MJ/kg 100
18
Embodied Water, L/kg 200
46

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
17 to 61
Strength to Weight: Bending, points 17
17 to 41
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 11
15 to 55

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.32 to 0.39
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 32.6 to 43.5
98.2 to 99.18
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Molybdenum (Mo), % 0 to 0.5
0
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 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025