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EN 1.4035 Stainless Steel vs. SAE-AISI P4 Steel

Both EN 1.4035 stainless steel and SAE-AISI P4 steel are iron alloys. They have 90% 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 1.4035 stainless steel and the bottom bar is SAE-AISI P4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Tensile Strength: Ultimate (UTS), MPa 690
390 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 29
41
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
4.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.8
Embodied Energy, MJ/kg 27
23
Embodied Water, L/kg 100
68

Common Calculations

PREN (Pitting Resistance) 13
7.0
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
14 to 70
Strength to Weight: Bending, points 22
15 to 45
Thermal Diffusivity, mm2/s 7.8
11
Thermal Shock Resistance, points 25
13 to 64

Alloy Composition

Carbon (C), % 0.43 to 0.5
0 to 0.12
Chromium (Cr), % 12.5 to 14
4.0 to 5.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 82.1 to 86.9
92.3 to 95.3
Manganese (Mn), % 0 to 2.0
0.2 to 0.6
Molybdenum (Mo), % 0
0.4 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.1 to 0.4
Sulfur (S), % 0.15 to 0.35
0 to 0.030