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EN 1.4658 Stainless Steel vs. EN 1.4859 Stainless Steel

Both EN 1.4658 stainless steel and EN 1.4859 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4658 stainless steel and the bottom bar is EN 1.4859 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
140
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 28
23
Fatigue Strength, MPa 530
140
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 900
490
Tensile Strength: Yield (Proof), MPa 730
210

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 460
560
Maximum Temperature: Mechanical, °C 1100
1050
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
13
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
36
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.5
6.2
Embodied Energy, MJ/kg 61
88
Embodied Water, L/kg 200
190

Common Calculations

PREN (Pitting Resistance) 49
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
91
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
110
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
17
Strength to Weight: Bending, points 26
17
Thermal Diffusivity, mm2/s 4.3
3.4
Thermal Shock Resistance, points 24
11

Alloy Composition

Carbon (C), % 0 to 0.030
0.050 to 0.15
Chromium (Cr), % 26 to 29
19 to 21
Cobalt (Co), % 0.5 to 2.0
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 50.9 to 63.7
40.3 to 49
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 4.0 to 5.0
0 to 0.5
Nickel (Ni), % 5.5 to 9.5
31 to 33
Niobium (Nb), % 0
0.5 to 1.5
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.5
0.5 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.030