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EN 1.4008 Stainless Steel vs. EN 1.4482 Stainless Steel

Both EN 1.4008 stainless steel and EN 1.4482 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4008 stainless steel and the bottom bar is EN 1.4482 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
34
Fatigue Strength, MPa 300
420 to 450
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 670
770 to 800
Tensile Strength: Yield (Proof), MPa 500
530 to 570

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
430
Maximum Temperature: Mechanical, °C 760
980
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.1
2.7
Embodied Energy, MJ/kg 30
38
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 14
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
230 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 630
690 to 820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
28 to 29
Strength to Weight: Bending, points 22
24 to 25
Thermal Diffusivity, mm2/s 6.7
4.0
Thermal Shock Resistance, points 23
21 to 22

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 12 to 13.5
19.5 to 21.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 81.8 to 86.8
66.1 to 74.9
Manganese (Mn), % 0 to 1.0
4.0 to 6.0
Molybdenum (Mo), % 0.2 to 0.5
0.1 to 0.6
Nickel (Ni), % 1.0 to 2.0
1.5 to 3.5
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030