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SAE-AISI P20 Steel vs. EN 1.3967 Stainless Steel

Both SAE-AISI P20 steel and EN 1.3967 stainless steel are iron alloys. They have 57% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P20 steel and the bottom bar is EN 1.3967 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 540 to 1050
690

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
25
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
4.8
Embodied Energy, MJ/kg 21
66
Embodied Water, L/kg 52
180

Common Calculations

PREN (Pitting Resistance) 2.6
36
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19 to 37
24
Strength to Weight: Bending, points 19 to 29
22
Thermal Shock Resistance, points 18 to 35
15

Alloy Composition

Carbon (C), % 0.28 to 0.4
0 to 0.030
Chromium (Cr), % 0.4 to 2.0
20 to 21.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 95.2 to 98.5
50.3 to 57.8
Manganese (Mn), % 0.35 to 0.71
4.0 to 6.0
Molybdenum (Mo), % 0.3 to 0.55
3.0 to 3.5
Nickel (Ni), % 0
15 to 17
Niobium (Nb), % 0
0 to 0.25
Nitrogen (N), % 0
0.2 to 0.35
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010