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S21640 Stainless Steel vs. EN 1.4513 Stainless Steel

Both S21640 stainless steel and EN 1.4513 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 88% of their average alloy composition in common. There are 32 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 S21640 stainless steel and the bottom bar is EN 1.4513 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
26
Fatigue Strength, MPa 320
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 520
310
Tensile Strength: Ultimate (UTS), MPa 740
480
Tensile Strength: Yield (Proof), MPa 350
240

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 490
500
Maximum Temperature: Mechanical, °C 940
880
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
25
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 17
10
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.6
2.5
Embodied Energy, MJ/kg 51
35
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 26
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
100
Resilience: Unit (Modulus of Resilience), kJ/m3 300
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
17
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 4.0
6.8
Thermal Shock Resistance, points 16
17

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.025
Chromium (Cr), % 17.5 to 19.5
16 to 18
Iron (Fe), % 63 to 74.3
77.7 to 83.1
Manganese (Mn), % 3.5 to 6.5
0 to 1.0
Molybdenum (Mo), % 0.5 to 2.0
0.8 to 1.4
Nickel (Ni), % 4.0 to 6.5
0
Niobium (Nb), % 0.1 to 1.0
0
Nitrogen (N), % 0.080 to 0.3
0 to 0.020
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.8