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EN 1.4006 Stainless Steel vs. EN 1.7767 Steel

Both EN 1.4006 stainless steel and EN 1.7767 steel are iron alloys. They have 90% of their average alloy composition in common. There are 31 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 1.4006 stainless steel and the bottom bar is EN 1.7767 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 23
20
Fatigue Strength, MPa 150 to 300
320 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 370 to 460
420 to 430
Tensile Strength: Ultimate (UTS), MPa 590 to 750
670 to 690
Tensile Strength: Yield (Proof), MPa 230 to 510
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
480
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
4.5
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.9
2.4
Embodied Energy, MJ/kg 27
33
Embodied Water, L/kg 100
64

Common Calculations

PREN (Pitting Resistance) 13
6.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 110
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 660
570 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 27
24
Strength to Weight: Bending, points 20 to 24
22
Thermal Diffusivity, mm2/s 8.1
11
Thermal Shock Resistance, points 21 to 26
19 to 20

Alloy Composition

Carbon (C), % 0.080 to 0.15
0.1 to 0.15
Chromium (Cr), % 11.5 to 13.5
2.8 to 3.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 83.1 to 88.4
93.8 to 95.8
Manganese (Mn), % 0 to 1.5
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0 to 0.75
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.015
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0.2 to 0.3