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S81921 Stainless Steel vs. EN 1.4652 Stainless Steel

Both S81921 stainless steel and EN 1.4652 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 33 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 S81921 stainless steel and the bottom bar is EN 1.4652 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 29
45
Fatigue Strength, MPa 370
450
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
81
Shear Strength, MPa 460
610
Tensile Strength: Ultimate (UTS), MPa 710
880
Tensile Strength: Yield (Proof), MPa 500
490

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 430
440
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
9.8
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 14
34
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.9
6.4
Embodied Energy, MJ/kg 41
87
Embodied Water, L/kg 150
220

Common Calculations

PREN (Pitting Resistance) 28
57
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
340
Resilience: Unit (Modulus of Resilience), kJ/m3 630
570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
30
Strength to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 4.0
2.6
Thermal Shock Resistance, points 20
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 19 to 22
23 to 25
Copper (Cu), % 0
0.3 to 0.6
Iron (Fe), % 66.7 to 75.9
38.3 to 46.3
Manganese (Mn), % 2.0 to 4.0
2.0 to 4.0
Molybdenum (Mo), % 1.0 to 2.0
7.0 to 8.0
Nickel (Ni), % 2.0 to 4.0
21 to 23
Nitrogen (N), % 0.14 to 0.2
0.45 to 0.55
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050