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AISI 420 Stainless Steel vs. EN 1.4035 Stainless Steel

Both AISI 420 stainless steel and EN 1.4035 stainless steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 33 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 AISI 420 stainless steel and the bottom bar is EN 1.4035 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.0 to 15
18
Fatigue Strength, MPa 220 to 670
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 420 to 1010
430
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
690
Tensile Strength: Yield (Proof), MPa 380 to 1310
400

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 390
380
Maximum Temperature: Mechanical, °C 620
760
Melting Completion (Liquidus), °C 1510
1430
Melting Onset (Solidus), °C 1450
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
29
Thermal Expansion, µm/m-K 10
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
2.0
Embodied Energy, MJ/kg 28
27
Embodied Water, L/kg 100
100

Common Calculations

PREN (Pitting Resistance) 14
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 4410
420
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 62
25
Strength to Weight: Bending, points 22 to 41
22
Thermal Diffusivity, mm2/s 7.3
7.8
Thermal Shock Resistance, points 25 to 62
25

Alloy Composition

Carbon (C), % 0.15 to 0.4
0.43 to 0.5
Chromium (Cr), % 12 to 14
12.5 to 14
Iron (Fe), % 82.3 to 87.9
82.1 to 86.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0.15 to 0.35