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EN 1.4852 Stainless Steel vs. EN 1.4859 Stainless Steel

Both EN 1.4852 stainless steel and EN 1.4859 stainless steel are iron alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4852 stainless steel and the bottom bar is EN 1.4859 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 4.6
23
Fatigue Strength, MPa 120
140
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 490
490
Tensile Strength: Yield (Proof), MPa 250
210

Thermal Properties

Latent Heat of Fusion, J/g 330
310
Maximum Temperature: Corrosion, °C 620
560
Maximum Temperature: Mechanical, °C 1100
1050
Melting Completion (Liquidus), °C 1380
1410
Melting Onset (Solidus), °C 1340
1360
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
13
Thermal Expansion, µm/m-K 16
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 41
36
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 6.9
6.2
Embodied Energy, MJ/kg 100
88
Embodied Water, L/kg 220
190

Common Calculations

PREN (Pitting Resistance) 26
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
91
Resilience: Unit (Modulus of Resilience), kJ/m3 160
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 3.4
3.4
Thermal Shock Resistance, points 11
11

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.050 to 0.15
Chromium (Cr), % 24 to 27
19 to 21
Iron (Fe), % 29.6 to 40.9
40.3 to 49
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 33 to 36
31 to 33
Niobium (Nb), % 0.8 to 1.8
0.5 to 1.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0.5 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030