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SAE-AISI 9254 Steel vs. EN 1.4527 Stainless Steel

Both SAE-AISI 9254 steel and EN 1.4527 stainless steel are iron alloys. They have 45% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 9254 steel and the bottom bar is EN 1.4527 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
40
Fatigue Strength, MPa 280
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 660
480
Tensile Strength: Yield (Proof), MPa 410
190

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 46
15
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
32
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 1.5
5.6
Embodied Energy, MJ/kg 20
78
Embodied Water, L/kg 49
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
150
Resilience: Unit (Modulus of Resilience), kJ/m3 450
95
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 20
12

Alloy Composition

Carbon (C), % 0.51 to 0.59
0 to 0.060
Chromium (Cr), % 0.6 to 0.8
19 to 22
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 96.1 to 97.1
37.4 to 48.5
Manganese (Mn), % 0.6 to 0.8
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
27.5 to 30.5
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 1.2 to 1.6
0 to 1.5
Sulfur (S), % 0 to 0.040
0 to 0.030