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AISI 321H Stainless Steel vs. EN 1.4923 Stainless Steel

Both AISI 321H stainless steel and EN 1.4923 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 321H stainless steel and the bottom bar is EN 1.4923 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
12 to 21
Fatigue Strength, MPa 200
300 to 440
Poisson's Ratio 0.28
0.28
Reduction in Area, % 51
40 to 46
Shear Modulus, GPa 77
76
Shear Strength, MPa 400
540 to 590
Tensile Strength: Ultimate (UTS), MPa 580
870 to 980
Tensile Strength: Yield (Proof), MPa 230
470 to 780

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 480
380
Maximum Temperature: Mechanical, °C 940
740
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
24
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
8.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
2.9
Embodied Energy, MJ/kg 46
41
Embodied Water, L/kg 140
100

Common Calculations

PREN (Pitting Resistance) 18
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 140
570 to 1580
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
31 to 35
Strength to Weight: Bending, points 20
26 to 28
Thermal Diffusivity, mm2/s 4.0
6.5
Thermal Shock Resistance, points 12
30 to 34

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.18 to 0.24
Chromium (Cr), % 17 to 19
11 to 12.5
Iron (Fe), % 65.4 to 74
83.5 to 87.1
Manganese (Mn), % 0 to 2.0
0.4 to 0.9
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 9.0 to 12
0.3 to 0.8
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0 to 0.7
0
Vanadium (V), % 0
0.25 to 0.35