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EN 1.4020 Stainless Steel vs. EN 1.4864 Stainless Steel

Both EN 1.4020 stainless steel and EN 1.4864 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4020 stainless steel and the bottom bar is EN 1.4864 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 13 to 34
33
Fatigue Strength, MPa 340 to 540
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Shear Strength, MPa 510 to 680
430
Tensile Strength: Ultimate (UTS), MPa 770 to 1130
650
Tensile Strength: Yield (Proof), MPa 430 to 950
260

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 890
1100
Melting Completion (Liquidus), °C 1390
1390
Melting Onset (Solidus), °C 1350
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
14

Otherwise Unclassified Properties

Base Metal Price, % relative 11
30
Density, g/cm3 7.6
8.0
Embodied Carbon, kg CO2/kg material 2.5
5.3
Embodied Energy, MJ/kg 37
75
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 23
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 220
170
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2290
170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 41
23
Strength to Weight: Bending, points 25 to 32
21
Thermal Shock Resistance, points 16 to 23
17

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.15
Chromium (Cr), % 16.5 to 19
15 to 17
Iron (Fe), % 62.8 to 71.8
41.7 to 51
Manganese (Mn), % 11 to 14
0 to 2.0
Nickel (Ni), % 0.5 to 2.5
33 to 37
Nitrogen (N), % 0.2 to 0.45
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.015