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EN 1.4958 Stainless Steel vs. SAE-AISI 9310 Steel

Both EN 1.4958 stainless steel and SAE-AISI 9310 steel are iron alloys. They have 51% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4958 stainless steel and the bottom bar is SAE-AISI 9310 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
17 to 19
Fatigue Strength, MPa 170
300 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 430
510 to 570
Tensile Strength: Ultimate (UTS), MPa 630
820 to 910
Tensile Strength: Yield (Proof), MPa 190
450 to 570

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1090
440
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
48
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 30
4.4
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.3
1.8
Embodied Energy, MJ/kg 75
24
Embodied Water, L/kg 200
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
120 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 95
540 to 860
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
29 to 32
Strength to Weight: Bending, points 20
25 to 27
Thermal Diffusivity, mm2/s 3.2
13
Thermal Shock Resistance, points 15
24 to 27

Alloy Composition

Aluminum (Al), % 0.2 to 0.5
0
Carbon (C), % 0.030 to 0.080
0.080 to 0.13
Chromium (Cr), % 19 to 22
1.0 to 1.4
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 41.1 to 50.6
93.8 to 95.2
Manganese (Mn), % 0 to 1.5
0.45 to 0.65
Molybdenum (Mo), % 0
0.080 to 0.15
Nickel (Ni), % 30 to 32.5
3.0 to 3.5
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.015
0 to 0.015
Silicon (Si), % 0 to 0.7
0.2 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.012
Titanium (Ti), % 0.2 to 0.5
0