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EN 1.4017 Stainless Steel vs. EN 1.7386 Steel

Both EN 1.4017 stainless steel and EN 1.7386 steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 31 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 1.4017 stainless steel and the bottom bar is EN 1.7386 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14
18 to 21
Fatigue Strength, MPa 220
170 to 290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 350
340 to 410
Tensile Strength: Ultimate (UTS), MPa 580
550 to 670
Tensile Strength: Yield (Proof), MPa 390
240 to 440

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Mechanical, °C 870
600
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
26
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
10

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
6.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
2.0
Embodied Energy, MJ/kg 31
28
Embodied Water, L/kg 120
88

Common Calculations

PREN (Pitting Resistance) 17
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
92 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 380
150 to 490
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
20 to 24
Strength to Weight: Bending, points 20
19 to 22
Thermal Diffusivity, mm2/s 8.1
6.9
Thermal Shock Resistance, points 20
15 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.080
0.080 to 0.15
Chromium (Cr), % 16 to 18
8.0 to 10
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 78.3 to 82.8
86.8 to 90.5
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 1.2 to 1.6
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.25 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010