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EN 1.4652 Stainless Steel vs. SAE-AISI 9255 Steel

Both EN 1.4652 stainless steel and SAE-AISI 9255 steel are iron alloys. They have 43% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 SAE-AISI 9255 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
200
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
21
Fatigue Strength, MPa 450
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
72
Shear Strength, MPa 610
430
Tensile Strength: Ultimate (UTS), MPa 880
680
Tensile Strength: Yield (Proof), MPa 490
390

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 9.8
46
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.0
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.4
1.5
Embodied Energy, MJ/kg 87
20
Embodied Water, L/kg 220
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 340
120
Resilience: Unit (Modulus of Resilience), kJ/m3 570
400
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
24
Strength to Weight: Bending, points 25
22
Thermal Diffusivity, mm2/s 2.6
13
Thermal Shock Resistance, points 20
21

Alloy Composition

Carbon (C), % 0 to 0.020
0.51 to 0.59
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 0.3 to 0.6
0
Iron (Fe), % 38.3 to 46.3
96.2 to 97
Manganese (Mn), % 2.0 to 4.0
0.7 to 1.0
Molybdenum (Mo), % 7.0 to 8.0
0
Nickel (Ni), % 21 to 23
0
Nitrogen (N), % 0.45 to 0.55
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
1.8 to 2.2
Sulfur (S), % 0 to 0.0050
0 to 0.040