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EN 1.4021 Stainless Steel vs. EN 1.4923 Stainless Steel

Both EN 1.4021 stainless steel and EN 1.4923 stainless steel are iron alloys. They have a very high 98% 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 1.4021 stainless steel and the bottom bar is EN 1.4923 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
12 to 21
Fatigue Strength, MPa 240 to 380
300 to 440
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 390 to 530
540 to 590
Tensile Strength: Ultimate (UTS), MPa 630 to 880
870 to 980
Tensile Strength: Yield (Proof), MPa 390 to 670
470 to 780

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Corrosion, °C 390
380
Maximum Temperature: Mechanical, °C 760
740
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
24
Thermal Expansion, µm/m-K 11
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
8.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
2.9
Embodied Energy, MJ/kg 27
41
Embodied Water, L/kg 100
100

Common Calculations

PREN (Pitting Resistance) 13
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 110
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1160
570 to 1580
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23 to 31
31 to 35
Strength to Weight: Bending, points 21 to 26
26 to 28
Thermal Diffusivity, mm2/s 8.1
6.5
Thermal Shock Resistance, points 22 to 31
30 to 34

Alloy Composition

Carbon (C), % 0.16 to 0.25
0.18 to 0.24
Chromium (Cr), % 12 to 14
11 to 12.5
Iron (Fe), % 83.2 to 87.8
83.5 to 87.1
Manganese (Mn), % 0 to 1.5
0.4 to 0.9
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 0
0.3 to 0.8
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Vanadium (V), % 0
0.25 to 0.35

Comparable Variants