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EN 1.4826 Stainless Steel vs. EN 1.4557 Stainless Steel

Both EN 1.4826 stainless steel and EN 1.4557 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 32 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 1.4826 stainless steel and the bottom bar is EN 1.4557 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.1
40
Fatigue Strength, MPa 140
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 500
560
Tensile Strength: Yield (Proof), MPa 260
300

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 430
420
Maximum Temperature: Mechanical, °C 950
1090
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 17
29
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.3
5.6
Embodied Energy, MJ/kg 47
76
Embodied Water, L/kg 160
190

Common Calculations

PREN (Pitting Resistance) 23
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
190
Resilience: Unit (Modulus of Resilience), kJ/m3 170
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
19
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 3.7
4.0
Thermal Shock Resistance, points 11
12

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.020
Chromium (Cr), % 21 to 23
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 60.4 to 68.7
49.5 to 56.3
Manganese (Mn), % 0 to 2.0
0 to 1.2
Molybdenum (Mo), % 0 to 0.5
6.0 to 7.0
Nickel (Ni), % 9.0 to 11
17.5 to 19.5
Nitrogen (N), % 0
0.18 to 0.24
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010