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EN 1.4006 Stainless Steel vs. EN 1.4646 Stainless Steel

Both EN 1.4006 stainless steel and EN 1.4646 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4006 stainless steel and the bottom bar is EN 1.4646 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16 to 23
34
Fatigue Strength, MPa 150 to 300
340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 370 to 460
500
Tensile Strength: Ultimate (UTS), MPa 590 to 750
750
Tensile Strength: Yield (Proof), MPa 230 to 510
430

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 740
910
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.9
2.8
Embodied Energy, MJ/kg 27
41
Embodied Water, L/kg 100
160

Common Calculations

PREN (Pitting Resistance) 13
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 660
460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 27
27
Strength to Weight: Bending, points 20 to 24
24
Thermal Shock Resistance, points 21 to 26
16

Alloy Composition

Carbon (C), % 0.080 to 0.15
0.020 to 0.1
Chromium (Cr), % 11.5 to 13.5
17 to 19
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 83.1 to 88.4
59 to 67.3
Manganese (Mn), % 0 to 1.5
10.5 to 12.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.75
3.5 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015