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EN 1.4818 Stainless Steel vs. EN 1.4542 Stainless Steel

Both EN 1.4818 stainless steel and EN 1.4542 stainless steel are iron alloys. They have 90% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4818 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, % 40
5.7 to 20
Fatigue Strength, MPa 280
370 to 640
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 480
550 to 860
Tensile Strength: Ultimate (UTS), MPa 700
880 to 1470
Tensile Strength: Yield (Proof), MPa 330
580 to 1300

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 1050
860
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 17
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 16
13
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
2.7
Embodied Energy, MJ/kg 44
39
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 22
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
62 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 270
880 to 4360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
31 to 52
Strength to Weight: Bending, points 23
26 to 37
Thermal Diffusivity, mm2/s 4.5
4.3
Thermal Shock Resistance, points 15
29 to 49

Alloy Composition

Carbon (C), % 0.040 to 0.080
0 to 0.070
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 20
15 to 17
Copper (Cu), % 0
3.0 to 5.0
Iron (Fe), % 65.6 to 71.8
69.6 to 79
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.6
Nickel (Ni), % 9.0 to 11
3.0 to 5.0
Niobium (Nb), % 0
0 to 0.45
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 1.0 to 2.0
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.015