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EN 1.4005 Stainless Steel vs. EN 1.4662 Stainless Steel

Both EN 1.4005 stainless steel and EN 1.4662 stainless steel are iron alloys. They have 81% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4005 stainless steel and the bottom bar is EN 1.4662 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13 to 21
28
Fatigue Strength, MPa 240 to 290
430 to 450
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
79
Shear Strength, MPa 390 to 450
520 to 540
Tensile Strength: Ultimate (UTS), MPa 630 to 750
810 to 830
Tensile Strength: Yield (Proof), MPa 370 to 500
580 to 620

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 760
1090
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
16
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
3.2
Embodied Energy, MJ/kg 28
45
Embodied Water, L/kg 100
170

Common Calculations

PREN (Pitting Resistance) 14
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
210
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 650
840 to 940
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23 to 27
29 to 30
Strength to Weight: Bending, points 21 to 24
25
Thermal Diffusivity, mm2/s 8.1
3.9
Thermal Shock Resistance, points 23 to 27
22

Alloy Composition

Carbon (C), % 0.060 to 0.15
0 to 0.030
Chromium (Cr), % 12 to 14
23 to 25
Copper (Cu), % 0
0.1 to 0.8
Iron (Fe), % 82.4 to 87.8
62.6 to 70.2
Manganese (Mn), % 0 to 1.5
2.5 to 4.0
Molybdenum (Mo), % 0 to 0.6
1.0 to 2.0
Nickel (Ni), % 0
3.0 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0.15 to 0.35
0 to 0.0050