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EN 1.4525 Stainless Steel vs. EN 1.4823 Stainless Steel

Both EN 1.4525 stainless steel and EN 1.4823 stainless steel are iron alloys. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4525 stainless steel and the bottom bar is EN 1.4823 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.6 to 13
3.4
Fatigue Strength, MPa 480 to 540
130
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 1030 to 1250
620
Tensile Strength: Yield (Proof), MPa 840 to 1120
290

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Corrosion, °C 430
450
Maximum Temperature: Mechanical, °C 860
1100
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 18
17
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 13
16
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 39
43
Embodied Water, L/kg 130
170

Common Calculations

PREN (Pitting Resistance) 18
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 130
17
Resilience: Unit (Modulus of Resilience), kJ/m3 1820 to 3230
200
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 36 to 45
23
Strength to Weight: Bending, points 29 to 33
21
Thermal Diffusivity, mm2/s 4.7
4.5
Thermal Shock Resistance, points 34 to 41
17

Alloy Composition

Carbon (C), % 0 to 0.070
0.3 to 0.5
Chromium (Cr), % 15 to 17
25 to 28
Copper (Cu), % 2.5 to 4.0
0
Iron (Fe), % 70.4 to 79
60.9 to 70.7
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.8
0 to 0.5
Nickel (Ni), % 3.5 to 5.5
3.0 to 6.0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.8
1.0 to 2.5
Sulfur (S), % 0 to 0.025
0 to 0.030