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EN 1.4462 Stainless Steel vs. EN 1.4621 Stainless Steel

Both EN 1.4462 stainless steel and EN 1.4621 stainless steel are iron alloys. They have 90% 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 1.4462 stainless steel and the bottom bar is EN 1.4621 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 26
25
Fatigue Strength, MPa 370
190
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
78
Shear Strength, MPa 500
320
Tensile Strength: Ultimate (UTS), MPa 780
500
Tensile Strength: Yield (Proof), MPa 520
270

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 430
510
Maximum Temperature: Mechanical, °C 1060
970
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 17
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.6
2.8
Embodied Energy, MJ/kg 49
41
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 34
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
110
Resilience: Unit (Modulus of Resilience), kJ/m3 670
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
18
Strength to Weight: Bending, points 24
18
Thermal Diffusivity, mm2/s 4.0
5.7
Thermal Shock Resistance, points 21
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 21 to 23
20 to 21.5
Copper (Cu), % 0
0.1 to 1.0
Iron (Fe), % 63.7 to 71.9
74.4 to 79.7
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 4.5 to 6.5
0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0.1 to 0.22
0 to 0.030
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015