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EN 1.4006 Stainless Steel vs. EN 1.4028 Stainless Steel

Both EN 1.4006 stainless steel and EN 1.4028 stainless steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.4006 stainless steel and the bottom bar is EN 1.4028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 23
11 to 17
Fatigue Strength, MPa 150 to 300
230 to 400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 370 to 460
410 to 550
Tensile Strength: Ultimate (UTS), MPa 590 to 750
660 to 930
Tensile Strength: Yield (Proof), MPa 230 to 510
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 740
760
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
30
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.2

Otherwise Unclassified Properties

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

Common Calculations

PREN (Pitting Resistance) 13
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 110
94 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 660
380 to 1360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 27
24 to 33
Strength to Weight: Bending, points 20 to 24
22 to 27
Thermal Diffusivity, mm2/s 8.1
8.1
Thermal Shock Resistance, points 21 to 26
23 to 32

Alloy Composition

Carbon (C), % 0.080 to 0.15
0.26 to 0.35
Chromium (Cr), % 11.5 to 13.5
12 to 14
Iron (Fe), % 83.1 to 88.4
83.1 to 87.7
Manganese (Mn), % 0 to 1.5
0 to 1.5
Nickel (Ni), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015

Comparable Variants