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EN 1.4542 Stainless Steel vs. EN 1.4821 Stainless Steel

Both EN 1.4542 stainless steel and EN 1.4821 stainless steel are iron alloys. They have 89% 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 1.4542 stainless steel and the bottom bar is EN 1.4821 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.7 to 20
18
Fatigue Strength, MPa 370 to 640
280
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
79
Shear Strength, MPa 550 to 860
450
Tensile Strength: Ultimate (UTS), MPa 880 to 1470
730
Tensile Strength: Yield (Proof), MPa 580 to 1300
450

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 440
450
Maximum Temperature: Mechanical, °C 860
1100
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
15
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 39
41
Embodied Water, L/kg 130
160

Common Calculations

PREN (Pitting Resistance) 17
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 160
110
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4360
500
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 31 to 52
26
Strength to Weight: Bending, points 26 to 37
23
Thermal Diffusivity, mm2/s 4.3
4.6
Thermal Shock Resistance, points 29 to 49
21

Alloy Composition

Carbon (C), % 0 to 0.070
0.1 to 0.2
Chromium (Cr), % 15 to 17
24.5 to 26.5
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 69.6 to 79
64.2 to 71.1
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 3.0 to 5.0
3.5 to 5.5
Niobium (Nb), % 0 to 0.45
0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0.8 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.015