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S33228 Stainless Steel vs. SAE-AISI P4 Steel

Both S33228 stainless steel and SAE-AISI P4 steel are iron alloys. They have 45% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is S33228 stainless steel and the bottom bar is SAE-AISI P4 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
74
Tensile Strength: Ultimate (UTS), MPa 570
390 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 37
4.4
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.2
1.8
Embodied Energy, MJ/kg 89
23
Embodied Water, L/kg 220
68

Common Calculations

PREN (Pitting Resistance) 27
7.0
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
14 to 70
Strength to Weight: Bending, points 19
15 to 45
Thermal Shock Resistance, points 13
13 to 64

Alloy Composition

Aluminum (Al), % 0 to 0.025
0
Carbon (C), % 0.040 to 0.080
0 to 0.12
Cerium (Ce), % 0.050 to 0.1
0
Chromium (Cr), % 26 to 28
4.0 to 5.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 36.5 to 42.3
92.3 to 95.3
Manganese (Mn), % 0 to 1.0
0.2 to 0.6
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 31 to 33
0
Niobium (Nb), % 0.6 to 1.0
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.3
0.1 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.030