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EN 1.3956 Stainless Steel vs. SAE-AISI 9310 Steel

Both EN 1.3956 stainless steel and SAE-AISI 9310 steel are iron alloys. They have 62% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.3956 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, % 27
17 to 19
Fatigue Strength, MPa 240
300 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 650
820 to 910
Tensile Strength: Yield (Proof), MPa 330
450 to 570

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1080
440
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
4.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.8
1.8
Embodied Energy, MJ/kg 68
24
Embodied Water, L/kg 180
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
120 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 270
540 to 860
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
29 to 32
Strength to Weight: Bending, points 21
25 to 27
Thermal Shock Resistance, points 18
24 to 27

Alloy Composition

Carbon (C), % 0 to 0.060
0.080 to 0.13
Chromium (Cr), % 20.5 to 23.5
1.0 to 1.4
Iron (Fe), % 51.9 to 62.1
93.8 to 95.2
Manganese (Mn), % 4.0 to 6.0
0.45 to 0.65
Molybdenum (Mo), % 1.5 to 3.0
0.080 to 0.15
Nickel (Ni), % 11.5 to 13.5
3.0 to 3.5
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
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 0.030
0 to 0.012
Vanadium (V), % 0.1 to 0.3
0