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EN 1.4652 Stainless Steel vs. EN 1.7779 Steel

Both EN 1.4652 stainless steel and EN 1.7779 steel are iron alloys. They have 47% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4652 stainless steel and the bottom bar is EN 1.7779 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
240
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
16
Fatigue Strength, MPa 450
430
Impact Strength: V-Notched Charpy, J 90
38
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 610
500
Tensile Strength: Ultimate (UTS), MPa 880
810
Tensile Strength: Yield (Proof), MPa 490
660

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1100
470
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 9.8
39
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 34
4.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.4
2.8
Embodied Energy, MJ/kg 87
41
Embodied Water, L/kg 220
64

Common Calculations

PREN (Pitting Resistance) 57
5.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 340
120
Resilience: Unit (Modulus of Resilience), kJ/m3 570
1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
29
Strength to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 2.6
11
Thermal Shock Resistance, points 20
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.020
0.17 to 0.23
Chromium (Cr), % 23 to 25
3.0 to 3.3
Copper (Cu), % 0.3 to 0.6
0 to 0.3
Iron (Fe), % 38.3 to 46.3
93.8 to 95.4
Manganese (Mn), % 2.0 to 4.0
0.3 to 0.5
Molybdenum (Mo), % 7.0 to 8.0
0.5 to 0.6
Nickel (Ni), % 21 to 23
0 to 0.3
Nitrogen (N), % 0.45 to 0.55
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.0050
0 to 0.010
Vanadium (V), % 0
0.45 to 0.55