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EN 1.4451 Stainless Steel vs. EN 1.4006 Stainless Steel

Both EN 1.4451 stainless steel and EN 1.4006 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4451 stainless steel and the bottom bar is EN 1.4006 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
16 to 23
Fatigue Strength, MPa 370
150 to 300
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 750
590 to 750
Tensile Strength: Yield (Proof), MPa 540
230 to 510

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
740
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
30
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 20
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.8
1.9
Embodied Energy, MJ/kg 53
27
Embodied Water, L/kg 190
100

Common Calculations

PREN (Pitting Resistance) 39
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
99 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 710
140 to 660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
21 to 27
Strength to Weight: Bending, points 23
20 to 24
Thermal Diffusivity, mm2/s 4.5
8.1
Thermal Shock Resistance, points 16
21 to 26

Alloy Composition

Carbon (C), % 0 to 0.030
0.080 to 0.15
Chromium (Cr), % 25 to 27
11.5 to 13.5
Copper (Cu), % 2.8 to 3.5
0
Iron (Fe), % 56.2 to 64.6
83.1 to 88.4
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 5.0 to 7.0
0 to 0.75
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015