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EN 1.4369 Stainless Steel vs. EN 1.4662 Stainless Steel

Both EN 1.4369 stainless steel and EN 1.4662 stainless steel are iron alloys. They have a moderately high 93% 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 1.4369 stainless steel and the bottom bar is EN 1.4662 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
28
Fatigue Strength, MPa 330
430 to 450
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Shear Strength, MPa 580
520 to 540
Tensile Strength: Ultimate (UTS), MPa 850
810 to 830
Tensile Strength: Yield (Proof), MPa 390
580 to 620

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 940
1090
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 14
16
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.0
3.2
Embodied Energy, MJ/kg 43
45
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 23
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
210
Resilience: Unit (Modulus of Resilience), kJ/m3 380
840 to 940
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
29 to 30
Strength to Weight: Bending, points 26
25
Thermal Diffusivity, mm2/s 4.0
3.9
Thermal Shock Resistance, points 18
22

Alloy Composition

Carbon (C), % 0.070 to 0.15
0 to 0.030
Chromium (Cr), % 17.5 to 19.5
23 to 25
Copper (Cu), % 0
0.1 to 0.8
Iron (Fe), % 63 to 70.2
62.6 to 70.2
Manganese (Mn), % 5.0 to 7.5
2.5 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 6.5 to 8.5
3.0 to 4.5
Nitrogen (N), % 0.2 to 0.3
0.2 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.5 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.0050