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EN 1.4886 Stainless Steel vs. EN 1.4618 Stainless Steel

Both EN 1.4886 stainless steel and EN 1.4618 stainless steel are iron alloys. They have 68% 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 EN 1.4618 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
51
Fatigue Strength, MPa 280
240 to 250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 400
480 to 500
Tensile Strength: Ultimate (UTS), MPa 580
680 to 700
Tensile Strength: Yield (Proof), MPa 300
250 to 260

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1390
1400
Melting Onset (Solidus), °C 1340
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
13
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.4
2.7
Embodied Energy, MJ/kg 76
39
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 19
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
270 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 230
160 to 170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
24 to 25
Strength to Weight: Bending, points 19
22 to 23
Thermal Diffusivity, mm2/s 3.1
4.0
Thermal Shock Resistance, points 14
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.1
Chromium (Cr), % 17 to 20
16.5 to 18.5
Copper (Cu), % 0
1.0 to 2.5
Iron (Fe), % 38.7 to 49
62.7 to 72.5
Manganese (Mn), % 0 to 2.0
5.5 to 9.5
Nickel (Ni), % 33 to 37
4.5 to 5.5
Nitrogen (N), % 0 to 0.1
0 to 0.15
Phosphorus (P), % 0 to 0.030
0 to 0.070
Silicon (Si), % 1.0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010