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EN 1.4469 Stainless Steel vs. SAE-AISI 9310 Steel

Both EN 1.4469 stainless steel and SAE-AISI 9310 steel are iron alloys. They have 67% of their average alloy composition in common. There are 29 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 EN 1.4469 stainless steel and the bottom bar is SAE-AISI 9310 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 25
17 to 19
Fatigue Strength, MPa 380
300 to 390
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 740
820 to 910
Tensile Strength: Yield (Proof), MPa 550
450 to 570

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
48
Thermal Expansion, µm/m-K 13
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 21
4.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.1
1.8
Embodied Energy, MJ/kg 57
24
Embodied Water, L/kg 180
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
120 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 730
540 to 860
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
29 to 32
Strength to Weight: Bending, points 23
25 to 27
Thermal Diffusivity, mm2/s 4.6
13
Thermal Shock Resistance, points 20
24 to 27

Alloy Composition

Carbon (C), % 0 to 0.030
0.080 to 0.13
Chromium (Cr), % 25 to 27
1.0 to 1.4
Copper (Cu), % 0 to 1.3
0
Iron (Fe), % 56.4 to 65.9
93.8 to 95.2
Manganese (Mn), % 0 to 1.0
0.45 to 0.65
Molybdenum (Mo), % 3.0 to 5.0
0.080 to 0.15
Nickel (Ni), % 6.0 to 8.0
3.0 to 3.5
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0 to 1.0
0.2 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.012