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EN 1.1244 Steel vs. EN 1.4749 Stainless Steel

Both EN 1.1244 steel and EN 1.4749 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 25 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 1.1244 steel and the bottom bar is EN 1.4749 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 220
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
80
Tensile Strength: Ultimate (UTS), MPa 730 to 770
600

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 51
17
Thermal Expansion, µm/m-K 12
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
13
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.4
2.5
Embodied Energy, MJ/kg 19
36
Embodied Water, L/kg 47
160

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 26 to 28
22
Strength to Weight: Bending, points 23 to 24
21
Thermal Diffusivity, mm2/s 14
4.6
Thermal Shock Resistance, points 23 to 25
22

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.65 to 0.75
0.15 to 0.2
Chromium (Cr), % 0
26 to 29
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 98.1 to 99.2
68.5 to 73.7
Manganese (Mn), % 0.8 to 1.1
0 to 1.0
Nitrogen (N), % 0
0.15 to 0.25
Oxygen (O), % 0 to 0.0020
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015