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EN 1.4446 Stainless Steel vs. EN 1.7383 Steel

Both EN 1.4446 stainless steel and EN 1.7383 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 1.4446 stainless steel and the bottom bar is EN 1.7383 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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