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EN 1.4859 Stainless Steel vs. EN 1.4805 Stainless Steel

Both EN 1.4859 stainless steel and EN 1.4805 stainless steel are iron alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 92% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4859 stainless steel and the bottom bar is EN 1.4805 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
9.0
Fatigue Strength, MPa 140
130
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
310
Maximum Temperature: Corrosion, °C 560
420
Maximum Temperature: Mechanical, °C 1050
1000
Melting Completion (Liquidus), °C 1410
1390
Melting Onset (Solidus), °C 1360
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 13
14
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 36
26
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 6.2
4.7
Embodied Energy, MJ/kg 88
66
Embodied Water, L/kg 190
180

Common Calculations

PREN (Pitting Resistance) 21
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
37
Resilience: Unit (Modulus of Resilience), kJ/m3 110
150
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
3.7
Thermal Shock Resistance, points 11
11

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.2 to 0.5
Chromium (Cr), % 19 to 21
19 to 23
Iron (Fe), % 40.3 to 49
44.9 to 56.8
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
23 to 27
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.5 to 1.5
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030