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EN 1.4807 Stainless Steel vs. AISI 434 Stainless Steel

Both EN 1.4807 stainless steel and AISI 434 stainless steel are iron alloys. They have 60% of their average alloy composition in common. There are 32 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 1.4807 stainless steel and the bottom bar is AISI 434 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.5
24
Fatigue Strength, MPa 120
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
78
Tensile Strength: Ultimate (UTS), MPa 480
520
Tensile Strength: Yield (Proof), MPa 250
320

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Corrosion, °C 600
410
Maximum Temperature: Mechanical, °C 1000
880
Melting Completion (Liquidus), °C 1390
1510
Melting Onset (Solidus), °C 1350
1430
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
25
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 39
9.5
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.8
2.4
Embodied Energy, MJ/kg 97
33
Embodied Water, L/kg 190
120

Common Calculations

PREN (Pitting Resistance) 19
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
110
Resilience: Unit (Modulus of Resilience), kJ/m3 160
260
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 17
18
Thermal Diffusivity, mm2/s 3.2
6.7
Thermal Shock Resistance, points 12
19

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.12
Chromium (Cr), % 17 to 20
16 to 18
Iron (Fe), % 36.6 to 46.7
78.6 to 83.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.75 to 1.3
Nickel (Ni), % 34 to 36
0
Niobium (Nb), % 1.0 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030