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EN 1.4652 Stainless Steel vs. EN 1.7720 Steel

Both EN 1.4652 stainless steel and EN 1.7720 steel are iron alloys. They have 44% 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 1.4652 stainless steel and the bottom bar is EN 1.7720 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
180
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
19
Fatigue Strength, MPa 450
230
Impact Strength: V-Notched Charpy, J 90
30
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 880
590
Tensile Strength: Yield (Proof), MPa 490
340

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 9.8
40
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.8
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 6.4
2.2
Embodied Energy, MJ/kg 87
30
Embodied Water, L/kg 220
51

Common Calculations

PREN (Pitting Resistance) 57
2.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 340
97
Resilience: Unit (Modulus of Resilience), kJ/m3 570
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
21
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 2.6
11
Thermal Shock Resistance, points 20
17

Alloy Composition

Carbon (C), % 0 to 0.020
0.1 to 0.15
Chromium (Cr), % 23 to 25
0.3 to 0.5
Copper (Cu), % 0.3 to 0.6
0 to 0.3
Iron (Fe), % 38.3 to 46.3
96.6 to 98.6
Manganese (Mn), % 2.0 to 4.0
0.4 to 0.7
Molybdenum (Mo), % 7.0 to 8.0
0.4 to 0.6
Nickel (Ni), % 21 to 23
0 to 0.4
Nitrogen (N), % 0.45 to 0.55
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.45
Sulfur (S), % 0 to 0.0050
0 to 0.020
Vanadium (V), % 0
0.22 to 0.3