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EN 1.4317 Stainless Steel vs. EN 1.4826 Stainless Steel

Both EN 1.4317 stainless steel and EN 1.4826 stainless steel are iron alloys. They have 83% 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 1.4826 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
9.1
Fatigue Strength, MPa 380
140
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 860
500
Tensile Strength: Yield (Proof), MPa 630
260

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 390
430
Maximum Temperature: Mechanical, °C 770
950
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 26
14
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.4
3.3
Embodied Energy, MJ/kg 33
47
Embodied Water, L/kg 110
160

Common Calculations

PREN (Pitting Resistance) 14
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
39
Resilience: Unit (Modulus of Resilience), kJ/m3 1010
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
18
Strength to Weight: Bending, points 26
18
Thermal Diffusivity, mm2/s 7.0
3.7
Thermal Shock Resistance, points 30
11

Alloy Composition

Carbon (C), % 0 to 0.060
0.3 to 0.5
Chromium (Cr), % 12 to 13.5
21 to 23
Iron (Fe), % 78.7 to 84.5
60.4 to 68.7
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
9.0 to 11
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