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EN 1.4634 Stainless Steel vs. EN 1.4807 Stainless Steel

Both EN 1.4634 stainless steel and EN 1.4807 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4634 stainless steel and the bottom bar is EN 1.4807 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 21
4.5
Fatigue Strength, MPa 180
120
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 540
480
Tensile Strength: Yield (Proof), MPa 280
250

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 500
600
Maximum Temperature: Mechanical, °C 900
1000
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 21
12
Thermal Expansion, µm/m-K 10
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
39
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.9
6.8
Embodied Energy, MJ/kg 42
97
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 19
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
18
Resilience: Unit (Modulus of Resilience), kJ/m3 200
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
17
Strength to Weight: Bending, points 19
17
Thermal Diffusivity, mm2/s 5.8
3.2
Thermal Shock Resistance, points 19
12

Alloy Composition

Aluminum (Al), % 0.2 to 1.5
0
Carbon (C), % 0 to 0.030
0.3 to 0.5
Chromium (Cr), % 17.5 to 18.5
17 to 20
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 74.9 to 81.8
36.6 to 46.7
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 0 to 0.5
34 to 36
Niobium (Nb), % 0.3 to 1.0
1.0 to 1.8
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0.2 to 1.5
1.0 to 2.5
Sulfur (S), % 0 to 0.050
0 to 0.030