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EN 1.4508 Stainless Steel vs. AISI 302 Stainless Steel

Both EN 1.4508 stainless steel and AISI 302 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4508 stainless steel and the bottom bar is AISI 302 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
4.5 to 46
Fatigue Strength, MPa 210
210 to 520
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 570
580 to 1430
Tensile Strength: Yield (Proof), MPa 260
230 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 1000
710
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 20
15
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.0
3.0
Embodied Energy, MJ/kg 55
42
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 32
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
59 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 170
140 to 3070
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
21 to 51
Strength to Weight: Bending, points 19
20 to 36
Thermal Diffusivity, mm2/s 4.1
4.4
Thermal Shock Resistance, points 17
12 to 31

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 18 to 20
17 to 19
Iron (Fe), % 61.2 to 69.9
67.9 to 75
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 9.0 to 12
8.0 to 10
Nitrogen (N), % 0.1 to 0.2
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.5
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030