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EN 1.4652 Stainless Steel vs. S21640 Stainless Steel

Both EN 1.4652 stainless steel and S21640 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 (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4652 stainless steel and the bottom bar is S21640 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
230
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
46
Fatigue Strength, MPa 450
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
78
Shear Strength, MPa 610
520
Tensile Strength: Ultimate (UTS), MPa 880
740
Tensile Strength: Yield (Proof), MPa 490
350

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 440
490
Maximum Temperature: Mechanical, °C 1100
940
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 9.8
15
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 34
17
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.4
3.6
Embodied Energy, MJ/kg 87
51
Embodied Water, L/kg 220
150

Common Calculations

PREN (Pitting Resistance) 57
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 340
280
Resilience: Unit (Modulus of Resilience), kJ/m3 570
300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
27
Strength to Weight: Bending, points 25
23
Thermal Diffusivity, mm2/s 2.6
4.0
Thermal Shock Resistance, points 20
16

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.080
Chromium (Cr), % 23 to 25
17.5 to 19.5
Copper (Cu), % 0.3 to 0.6
0
Iron (Fe), % 38.3 to 46.3
63 to 74.3
Manganese (Mn), % 2.0 to 4.0
3.5 to 6.5
Molybdenum (Mo), % 7.0 to 8.0
0.5 to 2.0
Nickel (Ni), % 21 to 23
4.0 to 6.5
Niobium (Nb), % 0
0.1 to 1.0
Nitrogen (N), % 0.45 to 0.55
0.080 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.060
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.030