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EN 1.6368 Steel vs. EN 1.4369 Stainless Steel

Both EN 1.6368 steel and EN 1.4369 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.6368 steel and the bottom bar is EN 1.4369 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18
40
Fatigue Strength, MPa 310 to 330
330
Impact Strength: V-Notched Charpy, J 43 to 46
91
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 410 to 430
580
Tensile Strength: Ultimate (UTS), MPa 660 to 690
850
Tensile Strength: Yield (Proof), MPa 460 to 490
390

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 410
940
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
14
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.7
3.0
Embodied Energy, MJ/kg 22
43
Embodied Water, L/kg 53
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
280
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 650
380
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 24
31
Strength to Weight: Bending, points 21 to 22
26
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 20
18

Alloy Composition

Aluminum (Al), % 0.015 to 0.040
0
Carbon (C), % 0 to 0.17
0.070 to 0.15
Chromium (Cr), % 0 to 0.3
17.5 to 19.5
Copper (Cu), % 0.5 to 0.8
0
Iron (Fe), % 95.1 to 97.2
63 to 70.2
Manganese (Mn), % 0.8 to 1.2
5.0 to 7.5
Molybdenum (Mo), % 0.25 to 0.5
0
Nickel (Ni), % 1.0 to 1.3
6.5 to 8.5
Niobium (Nb), % 0.015 to 0.045
0
Nitrogen (N), % 0 to 0.020
0.2 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.25 to 0.5
0.5 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015