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EN 1.4923 Stainless Steel vs. EN 1.4958 Stainless Steel

Both EN 1.4923 stainless steel and EN 1.4958 stainless steel are iron alloys. They have 59% 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 1.4958 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 21
40
Fatigue Strength, MPa 300 to 440
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 540 to 590
430
Tensile Strength: Ultimate (UTS), MPa 870 to 980
630
Tensile Strength: Yield (Proof), MPa 470 to 780
190

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 380
500
Maximum Temperature: Mechanical, °C 740
1090
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 24
12
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
30
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.9
5.3
Embodied Energy, MJ/kg 41
75
Embodied Water, L/kg 100
200

Common Calculations

PREN (Pitting Resistance) 15
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
190
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 1580
95
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 35
22
Strength to Weight: Bending, points 26 to 28
20
Thermal Diffusivity, mm2/s 6.5
3.2
Thermal Shock Resistance, points 30 to 34
15

Alloy Composition

Aluminum (Al), % 0
0.2 to 0.5
Carbon (C), % 0.18 to 0.24
0.030 to 0.080
Chromium (Cr), % 11 to 12.5
19 to 22
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 83.5 to 87.1
41.1 to 50.6
Manganese (Mn), % 0.4 to 0.9
0 to 1.5
Molybdenum (Mo), % 0.8 to 1.2
0
Nickel (Ni), % 0.3 to 0.8
30 to 32.5
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 0.5
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0.2 to 0.5
Vanadium (V), % 0.25 to 0.35
0