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EN 1.7383 Steel vs. EN 1.4446 Stainless Steel

Both EN 1.7383 steel and EN 1.4446 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.7383 steel and the bottom bar is EN 1.4446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20 to 23
23
Fatigue Strength, MPa 210 to 270
160
Impact Strength: V-Notched Charpy, J 38
56
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
79
Tensile Strength: Ultimate (UTS), MPa 560 to 610
490
Tensile Strength: Yield (Proof), MPa 300 to 400
240

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 460
980
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
22
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.8
4.5
Embodied Energy, MJ/kg 23
60
Embodied Water, L/kg 59
160

Common Calculations

PREN (Pitting Resistance) 5.6
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
93
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 420
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20 to 22
17
Strength to Weight: Bending, points 19 to 20
17
Thermal Diffusivity, mm2/s 11
3.6
Thermal Shock Resistance, points 16 to 18
11

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.15
0 to 0.030
Chromium (Cr), % 2.0 to 2.5
16.5 to 18.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.3 to 96.6
59.7 to 66.9
Manganese (Mn), % 0.4 to 0.8
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.1
4.0 to 4.5
Nickel (Ni), % 0 to 0.3
12.5 to 14.5
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030