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EN 1.4835 Stainless Steel vs. EN 1.4469 Stainless Steel

Both EN 1.4835 stainless steel and EN 1.4469 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have a moderately high 90% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.4469 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 43
25
Fatigue Strength, MPa 310
380
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Tensile Strength: Ultimate (UTS), MPa 750
740
Tensile Strength: Yield (Proof), MPa 350
550

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 430
450
Maximum Temperature: Mechanical, °C 1150
1100
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 17
21
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.3
4.1
Embodied Energy, MJ/kg 47
57
Embodied Water, L/kg 160
180

Common Calculations

PREN (Pitting Resistance) 24
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
170
Resilience: Unit (Modulus of Resilience), kJ/m3 310
730
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
26
Strength to Weight: Bending, points 24
23
Thermal Diffusivity, mm2/s 4.0
4.6
Thermal Shock Resistance, points 16
20

Alloy Composition

Carbon (C), % 0.050 to 0.12
0 to 0.030
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 20 to 22
25 to 27
Copper (Cu), % 0
0 to 1.3
Iron (Fe), % 62 to 68.4
56.4 to 65.9
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 10 to 12
6.0 to 8.0
Nitrogen (N), % 0.12 to 0.2
0.12 to 0.22
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 1.4 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.025