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EN 1.4525 Stainless Steel vs. AISI 420 Stainless Steel

Both EN 1.4525 stainless steel and AISI 420 stainless steel are iron alloys. They have 89% 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 1.4525 stainless steel and the bottom bar is AISI 420 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.6 to 13
8.0 to 15
Fatigue Strength, MPa 480 to 540
220 to 670
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 1030 to 1250
690 to 1720
Tensile Strength: Yield (Proof), MPa 840 to 1120
380 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 860
620
Melting Completion (Liquidus), °C 1430
1510
Melting Onset (Solidus), °C 1390
1450
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 18
27
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
7.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.0
Embodied Energy, MJ/kg 39
28
Embodied Water, L/kg 130
100

Common Calculations

PREN (Pitting Resistance) 18
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 130
88 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 1820 to 3230
380 to 4410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 36 to 45
25 to 62
Strength to Weight: Bending, points 29 to 33
22 to 41
Thermal Diffusivity, mm2/s 4.7
7.3
Thermal Shock Resistance, points 34 to 41
25 to 62

Alloy Composition

Carbon (C), % 0 to 0.070
0.15 to 0.4
Chromium (Cr), % 15 to 17
12 to 14
Copper (Cu), % 2.5 to 4.0
0
Iron (Fe), % 70.4 to 79
82.3 to 87.9
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.8
0 to 0.5
Nickel (Ni), % 3.5 to 5.5
0 to 0.75
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
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030

Comparable Variants