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EN 1.4905 Stainless Steel vs. EN 1.4612 Stainless Steel

Both EN 1.4905 stainless steel and EN 1.4612 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4905 stainless steel and the bottom bar is EN 1.4612 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
11
Fatigue Strength, MPa 330
860 to 950
Impact Strength: V-Notched Charpy, J 38
11 to 22
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 460
1010 to 1110
Tensile Strength: Ultimate (UTS), MPa 740
1690 to 1850
Tensile Strength: Yield (Proof), MPa 510
1570 to 1730

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 380
450
Maximum Temperature: Mechanical, °C 660
790
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1440
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
16
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.8
3.6
Embodied Energy, MJ/kg 40
50
Embodied Water, L/kg 90
140

Common Calculations

PREN (Pitting Resistance) 15
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
190 to 210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
60 to 65
Strength to Weight: Bending, points 23
40 to 43
Thermal Shock Resistance, points 25
58 to 63

Alloy Composition

Aluminum (Al), % 0 to 0.040
1.4 to 1.8
Boron (B), % 0.00050 to 0.0050
0
Carbon (C), % 0.090 to 0.13
0 to 0.015
Chromium (Cr), % 8.5 to 9.5
11 to 12.5
Iron (Fe), % 86.2 to 88.8
71.5 to 75.5
Manganese (Mn), % 0.3 to 0.6
0 to 0.1
Molybdenum (Mo), % 0.9 to 1.1
1.8 to 2.3
Nickel (Ni), % 0.1 to 0.4
10.2 to 11.3
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.050 to 0.090
0 to 0.010
Phosphorus (P), % 0 to 0.020
0 to 0.010
Silicon (Si), % 0.1 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.010
0 to 0.0050
Titanium (Ti), % 0
0.2 to 0.5
Tungsten (W), % 0.9 to 1.1
0
Vanadium (V), % 0.18 to 0.25
0