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EN 1.4374 Stainless Steel vs. EN 1.4017 Stainless Steel

Both EN 1.4374 stainless steel and EN 1.4017 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 32 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 1.4374 stainless steel and the bottom bar is EN 1.4017 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
14
Fatigue Strength, MPa 340
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 550
350
Tensile Strength: Ultimate (UTS), MPa 800
580
Tensile Strength: Yield (Proof), MPa 400
390

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 920
870
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1360
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 14
9.5
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.2
Embodied Energy, MJ/kg 42
31
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 23
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
71
Resilience: Unit (Modulus of Resilience), kJ/m3 400
380
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
21
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 4.0
8.1
Thermal Shock Resistance, points 17
20

Alloy Composition

Carbon (C), % 0.050 to 0.1
0 to 0.080
Chromium (Cr), % 17.5 to 18.5
16 to 18
Copper (Cu), % 0 to 0.4
0
Iron (Fe), % 63.5 to 67.9
78.3 to 82.8
Manganese (Mn), % 9.0 to 10
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 5.0 to 6.0
1.2 to 1.6
Nitrogen (N), % 0.25 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.3 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015