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EN 1.4859 Stainless Steel vs. EN 1.4852 Stainless Steel

Both EN 1.4859 stainless steel and EN 1.4852 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 1.4859 stainless steel and the bottom bar is EN 1.4852 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Maximum Temperature: Corrosion, °C 560
620
Maximum Temperature: Mechanical, °C 1050
1100
Melting Completion (Liquidus), °C 1410
1380
Melting Onset (Solidus), °C 1360
1340
Specific Heat Capacity, J/kg-K 470
480
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 1.9
2.0

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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