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SAE-AISI 9310 Steel vs. EN 1.4474 Stainless Steel

Both SAE-AISI 9310 steel and EN 1.4474 stainless steel are iron alloys. They have 71% 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 SAE-AISI 9310 steel and the bottom bar is EN 1.4474 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 19
23
Fatigue Strength, MPa 300 to 390
320
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 820 to 910
670
Tensile Strength: Yield (Proof), MPa 450 to 570
480

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 48
17
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
17
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.8
3.4
Embodied Energy, MJ/kg 24
48
Embodied Water, L/kg 57
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 150
140
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 860
560
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29 to 32
24
Strength to Weight: Bending, points 25 to 27
22
Thermal Diffusivity, mm2/s 13
4.6
Thermal Shock Resistance, points 24 to 27
18

Alloy Composition

Carbon (C), % 0.080 to 0.13
0 to 0.050
Chromium (Cr), % 1.0 to 1.4
25 to 27
Iron (Fe), % 93.8 to 95.2
61.2 to 69.1
Manganese (Mn), % 0.45 to 0.65
0 to 2.0
Molybdenum (Mo), % 0.080 to 0.15
1.3 to 2.0
Nickel (Ni), % 3.0 to 3.5
4.5 to 6.5
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0.2 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.012
0 to 0.025