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EN 1.4742 Stainless Steel vs. EN 1.4587 Stainless Steel

Both EN 1.4742 stainless steel and EN 1.4587 stainless steel are iron alloys. They have 56% of their average alloy composition in common. There are 32 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 1.4742 stainless steel and the bottom bar is EN 1.4587 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
34
Fatigue Strength, MPa 180
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 600
540
Tensile Strength: Yield (Proof), MPa 300
250

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 1000
1100
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 19
17
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
36
Density, g/cm3 7.6
8.1
Embodied Carbon, kg CO2/kg material 2.2
6.3
Embodied Energy, MJ/kg 32
87
Embodied Water, L/kg 130
230

Common Calculations

PREN (Pitting Resistance) 18
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
150
Resilience: Unit (Modulus of Resilience), kJ/m3 230
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
18
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 5.1
4.5
Thermal Shock Resistance, points 21
13

Alloy Composition

Aluminum (Al), % 0.7 to 1.2
0
Carbon (C), % 0 to 0.12
0 to 0.030
Chromium (Cr), % 17 to 19
24 to 26
Copper (Cu), % 0
2.0 to 3.0
Iron (Fe), % 77.2 to 81.6
32.7 to 41.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0
28 to 30
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0.7 to 1.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.025