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EN 1.4849 Stainless Steel vs. S21640 Stainless Steel

Both EN 1.4849 stainless steel and S21640 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4849 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 0.28
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 620
490
Maximum Temperature: Mechanical, °C 1020
940
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1340
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 42
17
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 7.1
3.6
Embodied Energy, MJ/kg 100
51
Embodied Water, L/kg 200
150

Common Calculations

PREN (Pitting Resistance) 20
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 11
16

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.080
Chromium (Cr), % 18 to 21
17.5 to 19.5
Iron (Fe), % 32.6 to 43.5
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), % 36 to 39
4.0 to 6.5
Niobium (Nb), % 1.2 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