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EN 1.4923 Stainless Steel vs. EN 1.4634 Stainless Steel

Both EN 1.4923 stainless steel and EN 1.4634 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 1.4923 stainless steel and the bottom bar is EN 1.4634 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 21
21
Fatigue Strength, MPa 300 to 440
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 540 to 590
340
Tensile Strength: Ultimate (UTS), MPa 870 to 980
540
Tensile Strength: Yield (Proof), MPa 470 to 780
280

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 380
500
Maximum Temperature: Mechanical, °C 740
900
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 24
21
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.9
Embodied Energy, MJ/kg 41
42
Embodied Water, L/kg 100
140

Common Calculations

PREN (Pitting Resistance) 15
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
93
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 1580
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 35
20
Strength to Weight: Bending, points 26 to 28
19
Thermal Diffusivity, mm2/s 6.5
5.8
Thermal Shock Resistance, points 30 to 34
19

Alloy Composition

Aluminum (Al), % 0
0.2 to 1.5
Carbon (C), % 0.18 to 0.24
0 to 0.030
Chromium (Cr), % 11 to 12.5
17.5 to 18.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 83.5 to 87.1
74.9 to 81.8
Manganese (Mn), % 0.4 to 0.9
0 to 1.0
Molybdenum (Mo), % 0.8 to 1.2
0 to 0.5
Nickel (Ni), % 0.3 to 0.8
0 to 0.5
Niobium (Nb), % 0
0.3 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.050
Silicon (Si), % 0 to 0.5
0.2 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.050
Vanadium (V), % 0.25 to 0.35
0