MakeItFrom.com
Menu (ESC)

EN 1.4807 Stainless Steel vs. S21640 Stainless Steel

Both EN 1.4807 stainless steel and S21640 stainless steel are iron alloys. They have 68% 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 EN 1.4807 stainless steel and the bottom bar is S21640 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.5
46
Fatigue Strength, MPa 120
320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
78
Tensile Strength: Ultimate (UTS), MPa 480
740
Tensile Strength: Yield (Proof), MPa 250
350

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Corrosion, °C 600
490
Maximum Temperature: Mechanical, °C 1000
940
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1350
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 39
17
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.8
3.6
Embodied Energy, MJ/kg 97
51
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 19
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
280
Resilience: Unit (Modulus of Resilience), kJ/m3 160
300
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
27
Strength to Weight: Bending, points 17
23
Thermal Diffusivity, mm2/s 3.2
4.0
Thermal Shock Resistance, points 12
16

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.080
Chromium (Cr), % 17 to 20
17.5 to 19.5
Iron (Fe), % 36.6 to 46.7
63 to 74.3
Manganese (Mn), % 0 to 2.0
3.5 to 6.5
Molybdenum (Mo), % 0 to 0.5
0.5 to 2.0
Nickel (Ni), % 34 to 36
4.0 to 6.5
Niobium (Nb), % 1.0 to 1.8
0.1 to 1.0
Nitrogen (N), % 0
0.080 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030