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EN 1.4501 Stainless Steel vs. AISI 348 Stainless Steel

Both EN 1.4501 stainless steel and AISI 348 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4501 stainless steel and the bottom bar is AISI 348 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 27
41
Fatigue Strength, MPa 430
200
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 540
400
Tensile Strength: Ultimate (UTS), MPa 830
580
Tensile Strength: Yield (Proof), MPa 600
230

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
480
Maximum Temperature: Mechanical, °C 1100
940
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 22
19
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.1
3.7
Embodied Energy, MJ/kg 57
54
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 42
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
190
Resilience: Unit (Modulus of Resilience), kJ/m3 870
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
21
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 4.0
4.2
Thermal Shock Resistance, points 22
13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 24 to 26
17 to 19
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 57.6 to 65.8
63.8 to 74
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 6.0 to 8.0
9.0 to 13
Niobium (Nb), % 0
0 to 1.0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Tantalum (Ta), % 0
0 to 0.1
Tungsten (W), % 0.5 to 1.0
0