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AISI 439 Stainless Steel vs. EN 1.7366 Steel

Both AISI 439 stainless steel and EN 1.7366 steel are iron alloys. They have 86% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 439 stainless steel and the bottom bar is EN 1.7366 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
140 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
17 to 19
Fatigue Strength, MPa 170
160 to 320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 310
290 to 440
Tensile Strength: Ultimate (UTS), MPa 490
460 to 710
Tensile Strength: Yield (Proof), MPa 250
230 to 480

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 890
510
Melting Completion (Liquidus), °C 1510
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
4.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.3
1.7
Embodied Energy, MJ/kg 34
23
Embodied Water, L/kg 120
69

Common Calculations

PREN (Pitting Resistance) 18
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
74 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 160
140 to 600
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
16 to 25
Strength to Weight: Bending, points 18
17 to 23
Thermal Diffusivity, mm2/s 6.7
11
Thermal Shock Resistance, points 16
13 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Carbon (C), % 0 to 0.030
0 to 0.18
Chromium (Cr), % 17 to 19
4.0 to 6.0
Iron (Fe), % 77.1 to 82.8
91.9 to 95.3
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0.2 to 1.1
0