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SAE-AISI 1084 Steel vs. EN 1.4736 Stainless Steel

Both SAE-AISI 1084 steel and EN 1.4736 stainless 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 SAE-AISI 1084 steel and the bottom bar is EN 1.4736 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 270
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
28
Fatigue Strength, MPa 320 to 370
230
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 470 to 550
370
Tensile Strength: Ultimate (UTS), MPa 780 to 930
580
Tensile Strength: Yield (Proof), MPa 510 to 600
310

Thermal Properties

Latent Heat of Fusion, J/g 240
290
Maximum Temperature: Mechanical, °C 400
1000
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 51
21
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.0
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.4
2.4
Embodied Energy, MJ/kg 19
35
Embodied Water, L/kg 46
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 89
140
Resilience: Unit (Modulus of Resilience), kJ/m3 700 to 960
250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 28 to 33
21
Strength to Weight: Bending, points 24 to 27
20
Thermal Diffusivity, mm2/s 14
5.6
Thermal Shock Resistance, points 25 to 30
21

Alloy Composition

Aluminum (Al), % 0
1.7 to 2.1
Carbon (C), % 0.8 to 0.93
0 to 0.040
Chromium (Cr), % 0
17 to 18
Iron (Fe), % 98.1 to 98.6
77 to 81.1
Manganese (Mn), % 0.6 to 0.9
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.015
Titanium (Ti), % 0
0.2 to 0.8