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EN 1.4742 Stainless Steel vs. SAE-AISI 1017 Steel

Both EN 1.4742 stainless steel and SAE-AISI 1017 steel are iron alloys. They have 80% 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 1.4742 stainless steel and the bottom bar is SAE-AISI 1017 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
120 to 130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
20 to 30
Fatigue Strength, MPa 180
170 to 270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 370
280 to 290
Tensile Strength: Ultimate (UTS), MPa 600
420 to 460
Tensile Strength: Yield (Proof), MPa 300
220 to 390

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 19
53
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
1.8
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.2
1.4
Embodied Energy, MJ/kg 32
18
Embodied Water, L/kg 130
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
88 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 230
130 to 400
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
15 to 16
Strength to Weight: Bending, points 21
16 to 17
Thermal Diffusivity, mm2/s 5.1
14
Thermal Shock Resistance, points 21
13 to 14

Alloy Composition

Aluminum (Al), % 0.7 to 1.2
0
Carbon (C), % 0 to 0.12
0.15 to 0.2
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 77.2 to 81.6
99.11 to 99.55
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.7 to 1.4
0
Sulfur (S), % 0 to 0.015
0 to 0.050