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EN 1.4318 Stainless Steel vs. SAE-AISI 1017 Steel

Both EN 1.4318 stainless steel and SAE-AISI 1017 steel are iron alloys. They have 74% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4318 stainless steel and the bottom bar is SAE-AISI 1017 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
120 to 130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 44
20 to 30
Fatigue Strength, MPa 340
170 to 270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 520
280 to 290
Tensile Strength: Ultimate (UTS), MPa 740
420 to 460
Tensile Strength: Yield (Proof), MPa 380
220 to 390

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
400
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
53
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 39
18
Embodied Water, L/kg 130
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
88 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 360
130 to 400
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
15 to 16
Strength to Weight: Bending, points 23
16 to 17
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 17
13 to 14

Alloy Composition

Carbon (C), % 0 to 0.030
0.15 to 0.2
Chromium (Cr), % 16.5 to 18.5
0
Iron (Fe), % 70.2 to 77.4
99.11 to 99.55
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050