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EN 1.4477 Stainless Steel vs. EN 1.4662 Stainless Steel

Both EN 1.4477 stainless steel and EN 1.4662 stainless steel are iron alloys. They have a moderately high 91% 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 1.4477 stainless steel and the bottom bar is EN 1.4662 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 22 to 23
28
Fatigue Strength, MPa 420 to 490
430 to 450
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 81
79
Shear Strength, MPa 550 to 580
520 to 540
Tensile Strength: Ultimate (UTS), MPa 880 to 930
810 to 830
Tensile Strength: Yield (Proof), MPa 620 to 730
580 to 620

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 460
440
Maximum Temperature: Mechanical, °C 1100
1090
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 20
16
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.7
3.2
Embodied Energy, MJ/kg 52
45
Embodied Water, L/kg 190
170

Common Calculations

PREN (Pitting Resistance) 41
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
210
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
840 to 940
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 33
29 to 30
Strength to Weight: Bending, points 26 to 27
25
Thermal Diffusivity, mm2/s 3.5
3.9
Thermal Shock Resistance, points 23 to 25
22

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 28 to 30
23 to 25
Copper (Cu), % 0 to 0.8
0.1 to 0.8
Iron (Fe), % 56.6 to 63.6
62.6 to 70.2
Manganese (Mn), % 0.8 to 1.5
2.5 to 4.0
Molybdenum (Mo), % 1.5 to 2.6
1.0 to 2.0
Nickel (Ni), % 5.8 to 7.5
3.0 to 4.5
Nitrogen (N), % 0.3 to 0.4
0.2 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.0050

Comparable Variants