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EN 1.4886 Stainless Steel vs. AISI 420 Stainless Steel

Both EN 1.4886 stainless steel and AISI 420 stainless steel are iron alloys. They have 58% of their average alloy composition in common. There are 33 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 1.4886 stainless steel and the bottom bar is AISI 420 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
8.0 to 15
Fatigue Strength, MPa 280
220 to 670
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 400
420 to 1010
Tensile Strength: Ultimate (UTS), MPa 580
690 to 1720
Tensile Strength: Yield (Proof), MPa 300
380 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Corrosion, °C 420
390
Maximum Temperature: Mechanical, °C 1100
620
Melting Completion (Liquidus), °C 1390
1510
Melting Onset (Solidus), °C 1340
1450
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
27
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
7.5
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.4
2.0
Embodied Energy, MJ/kg 76
28
Embodied Water, L/kg 190
100

Common Calculations

PREN (Pitting Resistance) 19
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
88 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 230
380 to 4410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
25 to 62
Strength to Weight: Bending, points 19
22 to 41
Thermal Diffusivity, mm2/s 3.1
7.3
Thermal Shock Resistance, points 14
25 to 62

Alloy Composition

Carbon (C), % 0 to 0.15
0.15 to 0.4
Chromium (Cr), % 17 to 20
12 to 14
Iron (Fe), % 38.7 to 49
82.3 to 87.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 33 to 37
0 to 0.75
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 1.0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030