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EN 1.4835 Stainless Steel vs. EN 1.4659 Stainless Steel

Both EN 1.4835 stainless steel and EN 1.4659 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 74% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4835 stainless steel and the bottom bar is EN 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
260
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 43
49
Fatigue Strength, MPa 310
460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
81
Shear Strength, MPa 520
640
Tensile Strength: Ultimate (UTS), MPa 750
900
Tensile Strength: Yield (Proof), MPa 350
480

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 430
440
Maximum Temperature: Mechanical, °C 1150
1100
Melting Completion (Liquidus), °C 1400
1480
Melting Onset (Solidus), °C 1360
1430
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 17
37
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 3.3
6.5
Embodied Energy, MJ/kg 47
89
Embodied Water, L/kg 160
220

Common Calculations

PREN (Pitting Resistance) 24
54
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
370
Resilience: Unit (Modulus of Resilience), kJ/m3 310
550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
31
Strength to Weight: Bending, points 24
25
Thermal Diffusivity, mm2/s 4.0
3.2
Thermal Shock Resistance, points 16
19

Alloy Composition

Carbon (C), % 0.050 to 0.12
0 to 0.020
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 20 to 22
23 to 25
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 62 to 68.4
35.7 to 45.7
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 0
5.5 to 6.5
Nickel (Ni), % 10 to 12
21 to 23
Nitrogen (N), % 0.12 to 0.2
0.35 to 0.5
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 1.4 to 2.5
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.010
Tungsten (W), % 0
1.5 to 2.5