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EN 1.4542 Stainless Steel vs. EN 1.4859 Stainless Steel

Both EN 1.4542 stainless steel and EN 1.4859 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 1.4859 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.7 to 20
23
Fatigue Strength, MPa 370 to 640
140
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 880 to 1470
490
Tensile Strength: Yield (Proof), MPa 580 to 1300
210

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 440
560
Maximum Temperature: Mechanical, °C 860
1050
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
13
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
36
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.7
6.2
Embodied Energy, MJ/kg 39
88
Embodied Water, L/kg 130
190

Common Calculations

PREN (Pitting Resistance) 17
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 160
91
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4360
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 52
17
Strength to Weight: Bending, points 26 to 37
17
Thermal Diffusivity, mm2/s 4.3
3.4
Thermal Shock Resistance, points 29 to 49
11

Alloy Composition

Carbon (C), % 0 to 0.070
0.050 to 0.15
Chromium (Cr), % 15 to 17
19 to 21
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 69.6 to 79
40.3 to 49
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.6
0 to 0.5
Nickel (Ni), % 3.0 to 5.0
31 to 33
Niobium (Nb), % 0 to 0.45
0.5 to 1.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0.5 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.030