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EN 1.4959 Stainless Steel vs. EN 1.7366 Steel

Both EN 1.4959 stainless steel and EN 1.7366 steel are iron alloys. They have 51% 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 1.4959 stainless steel and the bottom bar is EN 1.7366 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
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 430
290 to 440
Tensile Strength: Ultimate (UTS), MPa 630
460 to 710
Tensile Strength: Yield (Proof), MPa 190
230 to 480

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1090
510
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
40
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
4.3
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
1.7
Embodied Energy, MJ/kg 76
23
Embodied Water, L/kg 200
69

Common Calculations

PREN (Pitting Resistance) 21
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
74 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 96
140 to 600
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
16 to 25
Strength to Weight: Bending, points 20
17 to 23
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 15
13 to 20

Alloy Composition

Aluminum (Al), % 0.25 to 0.65
0
Carbon (C), % 0.050 to 0.1
0 to 0.18
Chromium (Cr), % 19 to 22
4.0 to 6.0
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 39.4 to 50.5
91.9 to 95.3
Manganese (Mn), % 0 to 1.5
0.3 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 30 to 34
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0.25 to 0.65
0