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EN 1.4306 Stainless Steel vs. SAE-AISI P4 Steel

Both EN 1.4306 stainless steel and SAE-AISI P4 steel are iron alloys. They have 74% of their average alloy composition in common. There are 24 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 1.4306 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 77
74
Tensile Strength: Ultimate (UTS), MPa 580 to 900
390 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
41
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
4.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.8
Embodied Energy, MJ/kg 45
23
Embodied Water, L/kg 150
68

Common Calculations

PREN (Pitting Resistance) 20
7.0
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
14 to 70
Strength to Weight: Bending, points 20 to 27
15 to 45
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 13 to 20
13 to 64

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.12
Chromium (Cr), % 18 to 20
4.0 to 5.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 64.8 to 72
92.3 to 95.3
Manganese (Mn), % 0 to 2.0
0.2 to 0.6
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 10 to 12
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0.1 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.030

Comparable Variants