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EN 1.4742 Stainless Steel vs. SAE-AISI 1019 Steel

Both EN 1.4742 stainless steel and SAE-AISI 1019 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 1019 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
130 to 140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
17 to 29
Fatigue Strength, MPa 180
190 to 290
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 370
300 to 320
Tensile Strength: Ultimate (UTS), MPa 600
470 to 520
Tensile Strength: Yield (Proof), MPa 300
250 to 430

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 19
52
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
8.0

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
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
82 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 230
160 to 500
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
17 to 18
Strength to Weight: Bending, points 21
17 to 18
Thermal Diffusivity, mm2/s 5.1
14
Thermal Shock Resistance, points 21
15 to 16

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
98.7 to 99.15
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
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