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EN 1.3956 Stainless Steel vs. SAE-AISI S1 Steel

Both EN 1.3956 stainless steel and SAE-AISI S1 steel are iron alloys. They have 60% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (11, 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 S1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 650
690 to 1840

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1420
1500
Melting Onset (Solidus), °C 1380
1450
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 22
8.0
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.8
2.6
Embodied Energy, MJ/kg 68
37
Embodied Water, L/kg 180
56

Common Calculations

PREN (Pitting Resistance) 34
5.9
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
24 to 64
Strength to Weight: Bending, points 21
22 to 42
Thermal Shock Resistance, points 18
21 to 56

Alloy Composition

Carbon (C), % 0 to 0.060
0.4 to 0.55
Chromium (Cr), % 20.5 to 23.5
1.0 to 1.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 51.9 to 62.1
91.6 to 96.7
Manganese (Mn), % 4.0 to 6.0
0.1 to 0.4
Molybdenum (Mo), % 1.5 to 3.0
0 to 0.5
Nickel (Ni), % 11.5 to 13.5
0 to 0.3
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.15 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
1.5 to 3.0
Vanadium (V), % 0.1 to 0.3
0.15 to 0.3