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EN 1.4749 Stainless Steel vs. SAE-AISI 9310 Steel

Both EN 1.4749 stainless steel and SAE-AISI 9310 steel are iron alloys. They have 73% 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 1.4749 stainless steel and the bottom bar is SAE-AISI 9310 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
540 to 610
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16
17 to 19
Fatigue Strength, MPa 190
300 to 390
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 370
510 to 570
Tensile Strength: Ultimate (UTS), MPa 600
820 to 910
Tensile Strength: Yield (Proof), MPa 320
450 to 570

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
48
Thermal Expansion, µm/m-K 9.6
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
4.4
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.5
1.8
Embodied Energy, MJ/kg 36
24
Embodied Water, L/kg 160
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
120 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 250
540 to 860
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 22
29 to 32
Strength to Weight: Bending, points 21
25 to 27
Thermal Diffusivity, mm2/s 4.6
13
Thermal Shock Resistance, points 22
24 to 27

Alloy Composition

Carbon (C), % 0.15 to 0.2
0.080 to 0.13
Chromium (Cr), % 26 to 29
1.0 to 1.4
Iron (Fe), % 68.5 to 73.7
93.8 to 95.2
Manganese (Mn), % 0 to 1.0
0.45 to 0.65
Molybdenum (Mo), % 0
0.080 to 0.15
Nickel (Ni), % 0
3.0 to 3.5
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0.2 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.012