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EN 1.4828 Stainless Steel vs. SAE-AISI A4 Steel

Both EN 1.4828 stainless steel and SAE-AISI A4 steel are iron alloys. They have 68% 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 1.4828 stainless steel and the bottom bar is SAE-AISI A4 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 650
710 to 2050

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 17
3.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.8
Embodied Energy, MJ/kg 48
24
Embodied Water, L/kg 150
59

Common Calculations

PREN (Pitting Resistance) 21
5.3
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
25 to 73
Strength to Weight: Bending, points 22
23 to 46
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 14
23 to 67

Alloy Composition

Carbon (C), % 0 to 0.2
1.0 to 1.1
Chromium (Cr), % 19 to 21
0.9 to 2.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 61.1 to 68.5
92 to 95.5
Manganese (Mn), % 0 to 2.0
1.8 to 2.2
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 11 to 13
0 to 0.3
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 1.5 to 2.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030