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EN 1.4006 Stainless Steel vs. EN 1.7710 Steel

Both EN 1.4006 stainless steel and EN 1.7710 steel are iron alloys. They have 88% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 1.7710 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 23
6.8 to 11
Fatigue Strength, MPa 150 to 300
500 to 620
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 590 to 750
930 to 1070
Tensile Strength: Yield (Proof), MPa 230 to 510
800 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 740
440
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
41
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
3.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
2.2
Embodied Energy, MJ/kg 27
30
Embodied Water, L/kg 100
57

Common Calculations

PREN (Pitting Resistance) 13
4.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 110
73 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 660
1680 to 2970
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 27
33 to 38
Strength to Weight: Bending, points 20 to 24
27 to 30
Thermal Diffusivity, mm2/s 8.1
11
Thermal Shock Resistance, points 21 to 26
27 to 31

Alloy Composition

Carbon (C), % 0.080 to 0.15
0.12 to 0.18
Chromium (Cr), % 11.5 to 13.5
1.3 to 1.8
Iron (Fe), % 83.1 to 88.4
95.1 to 97
Manganese (Mn), % 0 to 1.5
0.6 to 1.0
Molybdenum (Mo), % 0
0.8 to 1.0
Nickel (Ni), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0.15 to 0.25