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AISI 334 Stainless Steel vs. SAE-AISI P3 Steel

Both AISI 334 stainless steel and SAE-AISI P3 steel are iron alloys. They have 62% of their average alloy composition in common. There are 19 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 AISI 334 stainless steel and the bottom bar is SAE-AISI P3 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 77
73
Tensile Strength: Ultimate (UTS), MPa 540
410 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 22
2.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.1
1.5
Embodied Energy, MJ/kg 59
20
Embodied Water, L/kg 170
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
15 to 70
Strength to Weight: Bending, points 19
16 to 44
Thermal Shock Resistance, points 12
14 to 65

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 18 to 20
0.4 to 0.75
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 55.7 to 62.7
96.3 to 98.4
Manganese (Mn), % 0 to 1.0
0.2 to 0.6
Nickel (Ni), % 19 to 21
1.0 to 1.5
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.15 to 0.6
0