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AISI 436 Stainless Steel vs. EN 1.4490 Stainless Steel

Both AISI 436 stainless steel and EN 1.4490 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 436 stainless steel and the bottom bar is EN 1.4490 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
34
Fatigue Strength, MPa 190
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 500
560
Tensile Strength: Yield (Proof), MPa 270
260

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 460
420
Maximum Temperature: Mechanical, °C 880
990
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
19
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.7
Embodied Energy, MJ/kg 38
52
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 20
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
160
Resilience: Unit (Modulus of Resilience), kJ/m3 190
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 6.7
4.1
Thermal Shock Resistance, points 18
16

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.030
Chromium (Cr), % 16 to 18
18 to 20
Iron (Fe), % 77.8 to 83.3
61.7 to 70.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.75 to 1.3
2.0 to 2.5
Nickel (Ni), % 0
9.0 to 12
Niobium (Nb), % 0 to 0.8
0
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030