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EN 1.4852 Stainless Steel vs. SAE-AISI 9255 Steel

Both EN 1.4852 stainless steel and SAE-AISI 9255 steel are iron alloys. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 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 1.4852 stainless steel and the bottom bar is SAE-AISI 9255 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 4.6
21
Fatigue Strength, MPa 120
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 490
680
Tensile Strength: Yield (Proof), MPa 250
390

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1380
1430
Melting Onset (Solidus), °C 1340
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
46
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 41
2.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 6.9
1.5
Embodied Energy, MJ/kg 100
20
Embodied Water, L/kg 220
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
400
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 3.4
13
Thermal Shock Resistance, points 11
21

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.51 to 0.59
Chromium (Cr), % 24 to 27
0
Iron (Fe), % 29.6 to 40.9
96.2 to 97
Manganese (Mn), % 0 to 2.0
0.7 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 33 to 36
0
Niobium (Nb), % 0.8 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 1.0 to 2.5
1.8 to 2.2
Sulfur (S), % 0 to 0.030
0 to 0.040