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EN 1.4567 Stainless Steel vs. S21640 Stainless Steel

Both EN 1.4567 stainless steel and S21640 stainless steel are iron alloys. They have a moderately high 92% 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 1.4567 stainless steel and the bottom bar is S21640 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 240
230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22 to 51
46
Fatigue Strength, MPa 190 to 260
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 390 to 490
520
Tensile Strength: Ultimate (UTS), MPa 550 to 780
740
Tensile Strength: Yield (Proof), MPa 200 to 390
350

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
490
Maximum Temperature: Mechanical, °C 930
940
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 11
15
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 16
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.1
3.6
Embodied Energy, MJ/kg 43
51
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 19
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 220
280
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 400
300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19 to 27
27
Strength to Weight: Bending, points 19 to 24
23
Thermal Diffusivity, mm2/s 3.0
4.0
Thermal Shock Resistance, points 12 to 17
16

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.080
Chromium (Cr), % 17 to 19
17.5 to 19.5
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 63.3 to 71.5
63 to 74.3
Manganese (Mn), % 0 to 2.0
3.5 to 6.5
Molybdenum (Mo), % 0
0.5 to 2.0
Nickel (Ni), % 8.5 to 10.5
4.0 to 6.5
Niobium (Nb), % 0
0.1 to 1.0
Nitrogen (N), % 0 to 0.1
0.080 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030