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EN 1.4612 Stainless Steel vs. EN 1.4466 Stainless Steel

Both EN 1.4612 stainless steel and EN 1.4466 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4612 stainless steel and the bottom bar is EN 1.4466 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
42
Fatigue Strength, MPa 860 to 950
250
Impact Strength: V-Notched Charpy, J 11 to 22
90
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Shear Strength, MPa 1010 to 1110
440
Tensile Strength: Ultimate (UTS), MPa 1690 to 1850
640
Tensile Strength: Yield (Proof), MPa 1570 to 1730
280

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 790
1100
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 16
28
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.6
5.0
Embodied Energy, MJ/kg 50
70
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 19
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 210
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 60 to 65
22
Strength to Weight: Bending, points 40 to 43
21
Thermal Shock Resistance, points 58 to 63
14

Alloy Composition

Aluminum (Al), % 1.4 to 1.8
0
Carbon (C), % 0 to 0.015
0 to 0.020
Chromium (Cr), % 11 to 12.5
24 to 26
Iron (Fe), % 71.5 to 75.5
45.6 to 52.9
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 1.8 to 2.3
2.0 to 2.5
Nickel (Ni), % 10.2 to 11.3
21 to 23
Nitrogen (N), % 0 to 0.010
0.1 to 0.16
Phosphorus (P), % 0 to 0.010
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.7
Sulfur (S), % 0 to 0.0050
0 to 0.010
Titanium (Ti), % 0.2 to 0.5
0