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EN 1.4581 Stainless Steel vs. EN 1.4542 Stainless Steel

Both EN 1.4581 stainless steel and EN 1.4542 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 31 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 1.4581 stainless steel and the bottom bar is EN 1.4542 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
5.7 to 20
Fatigue Strength, MPa 150
370 to 640
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 510
880 to 1470
Tensile Strength: Yield (Proof), MPa 210
580 to 1300

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 490
440
Maximum Temperature: Mechanical, °C 990
860
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 21
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.2
2.7
Embodied Energy, MJ/kg 59
39
Embodied Water, L/kg 160
130

Common Calculations

PREN (Pitting Resistance) 26
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
62 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 110
880 to 4360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
31 to 52
Strength to Weight: Bending, points 18
26 to 37
Thermal Diffusivity, mm2/s 3.9
4.3
Thermal Shock Resistance, points 12
29 to 49

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.070
Chromium (Cr), % 18 to 20
15 to 17
Copper (Cu), % 0
3.0 to 5.0
Iron (Fe), % 61.4 to 71
69.6 to 79
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 2.0 to 2.5
0 to 0.6
Nickel (Ni), % 9.0 to 12
3.0 to 5.0
Niobium (Nb), % 0 to 1.0
0 to 0.45
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015