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EN 1.4845 Stainless Steel vs. EN 1.4886 Stainless Steel

Both EN 1.4845 stainless steel and EN 1.4886 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4845 stainless steel and the bottom bar is EN 1.4886 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 38
45
Fatigue Strength, MPa 200
280
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 410
400
Tensile Strength: Ultimate (UTS), MPa 600
580
Tensile Strength: Yield (Proof), MPa 240
300

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1050
1100
Melting Completion (Liquidus), °C 1400
1390
Melting Onset (Solidus), °C 1360
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 25
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.3
5.4
Embodied Energy, MJ/kg 61
76
Embodied Water, L/kg 190
190

Common Calculations

PREN (Pitting Resistance) 26
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
220
Resilience: Unit (Modulus of Resilience), kJ/m3 140
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
20
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 4.0
3.1
Thermal Shock Resistance, points 14
14

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.15
Chromium (Cr), % 24 to 26
17 to 20
Iron (Fe), % 48.2 to 57
38.7 to 49
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 19 to 22
33 to 37
Nitrogen (N), % 0 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.5
1.0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.015