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EN 1.4123 Stainless Steel vs. EN 1.4646 Stainless Steel

Both EN 1.4123 stainless steel and EN 1.4646 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.4123 stainless steel and the bottom bar is EN 1.4646 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 720 to 810
750

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 840
910
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1410
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 10
17

Otherwise Unclassified Properties

Base Metal Price, % relative 10
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 4.2
2.8
Embodied Energy, MJ/kg 62
41
Embodied Water, L/kg 120
160

Common Calculations

PREN (Pitting Resistance) 24
23
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 29
27
Strength to Weight: Bending, points 23 to 25
24
Thermal Shock Resistance, points 26 to 29
16

Alloy Composition

Carbon (C), % 0.35 to 0.5
0.020 to 0.1
Chromium (Cr), % 14 to 16.5
17 to 19
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 76.7 to 84.6
59 to 67.3
Manganese (Mn), % 0 to 1.0
10.5 to 12.5
Molybdenum (Mo), % 1.0 to 2.5
0 to 0.5
Nickel (Ni), % 0 to 0.5
3.5 to 4.5
Nitrogen (N), % 0.1 to 0.3
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0 to 1.5
0