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EN 1.4736 Stainless Steel vs. EN 1.6368 Steel

Both EN 1.4736 stainless steel and EN 1.6368 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 1.4736 stainless steel and the bottom bar is EN 1.6368 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 28
18
Fatigue Strength, MPa 230
310 to 330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 370
410 to 430
Tensile Strength: Ultimate (UTS), MPa 580
660 to 690
Tensile Strength: Yield (Proof), MPa 310
460 to 490

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1000
410
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 21
40
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
3.4
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.4
1.7
Embodied Energy, MJ/kg 35
22
Embodied Water, L/kg 140
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
110
Resilience: Unit (Modulus of Resilience), kJ/m3 250
580 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
23 to 24
Strength to Weight: Bending, points 20
21 to 22
Thermal Diffusivity, mm2/s 5.6
11
Thermal Shock Resistance, points 21
20

Alloy Composition

Aluminum (Al), % 1.7 to 2.1
0.015 to 0.040
Carbon (C), % 0 to 0.040
0 to 0.17
Chromium (Cr), % 17 to 18
0 to 0.3
Copper (Cu), % 0
0.5 to 0.8
Iron (Fe), % 77 to 81.1
95.1 to 97.2
Manganese (Mn), % 0 to 1.0
0.8 to 1.2
Molybdenum (Mo), % 0
0.25 to 0.5
Nickel (Ni), % 0
1.0 to 1.3
Niobium (Nb), % 0
0.015 to 0.045
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.25 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0.2 to 0.8
0