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EN 1.4458 Stainless Steel vs. EN 1.4828 Stainless Steel

Both EN 1.4458 stainless steel and EN 1.4828 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 80% of their average alloy composition in common. There are 32 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 1.4458 stainless steel and the bottom bar is EN 1.4828 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
33
Fatigue Strength, MPa 150
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 510
650
Tensile Strength: Yield (Proof), MPa 190
260

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Corrosion, °C 430
420
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1370
1360
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 15
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 30
17
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.4
3.4
Embodied Energy, MJ/kg 75
48
Embodied Water, L/kg 200
150

Common Calculations

PREN (Pitting Resistance) 30
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
170
Resilience: Unit (Modulus of Resilience), kJ/m3 89
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
23
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 4.2
4.0
Thermal Shock Resistance, points 12
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.2
Chromium (Cr), % 19 to 22
19 to 21
Copper (Cu), % 0 to 2.0
0
Iron (Fe), % 40.2 to 53
61.1 to 68.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 26 to 30
11 to 13
Nitrogen (N), % 0 to 0.2
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
1.5 to 2.5
Sulfur (S), % 0 to 0.025
0 to 0.015