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EN 1.4020 Stainless Steel vs. EN 1.4887 Stainless Steel

Both EN 1.4020 stainless steel and EN 1.4887 stainless steel are iron alloys. They have 60% 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 1.4887 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 13 to 34
45
Fatigue Strength, MPa 340 to 540
280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 510 to 680
400
Tensile Strength: Ultimate (UTS), MPa 770 to 1130
580
Tensile Strength: Yield (Proof), MPa 430 to 950
300

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Corrosion, °C 410
600
Maximum Temperature: Mechanical, °C 890
1100
Melting Completion (Liquidus), °C 1390
1390
Melting Onset (Solidus), °C 1350
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
15

Otherwise Unclassified Properties

Base Metal Price, % relative 11
39
Density, g/cm3 7.6
8.0
Embodied Carbon, kg CO2/kg material 2.5
6.7
Embodied Energy, MJ/kg 37
96
Embodied Water, L/kg 150
210

Common Calculations

PREN (Pitting Resistance) 23
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 220
220
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2290
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 41
20
Strength to Weight: Bending, points 25 to 32
19
Thermal Shock Resistance, points 16 to 23
14

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.15
Chromium (Cr), % 16.5 to 19
20 to 23
Iron (Fe), % 62.8 to 71.8
34.2 to 45
Manganese (Mn), % 11 to 14
0 to 2.0
Nickel (Ni), % 0.5 to 2.5
33 to 37
Niobium (Nb), % 0
1.0 to 1.5
Nitrogen (N), % 0.2 to 0.45
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.015