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EN 1.4317 Stainless Steel vs. EN 1.4807 Stainless Steel

Both EN 1.4317 stainless steel and EN 1.4807 stainless steel are iron alloys. They have 60% 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 1.4317 stainless steel and the bottom bar is EN 1.4807 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17
4.5
Fatigue Strength, MPa 380
120
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 860
480
Tensile Strength: Yield (Proof), MPa 630
250

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Corrosion, °C 390
600
Maximum Temperature: Mechanical, °C 770
1000
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 26
12
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
39
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.4
6.8
Embodied Energy, MJ/kg 33
97
Embodied Water, L/kg 110
190

Common Calculations

PREN (Pitting Resistance) 14
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
18
Resilience: Unit (Modulus of Resilience), kJ/m3 1010
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31
17
Strength to Weight: Bending, points 26
17
Thermal Diffusivity, mm2/s 7.0
3.2
Thermal Shock Resistance, points 30
12

Alloy Composition

Carbon (C), % 0 to 0.060
0.3 to 0.5
Chromium (Cr), % 12 to 13.5
17 to 20
Iron (Fe), % 78.7 to 84.5
36.6 to 46.7
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.7
0 to 0.5
Nickel (Ni), % 3.5 to 5.0
34 to 36
Niobium (Nb), % 0
1.0 to 1.8
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.025
0 to 0.030