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EN 1.7710 Steel vs. EN 1.4006 Stainless Steel

Both EN 1.7710 steel and EN 1.4006 stainless 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 1.7710 steel and the bottom bar is EN 1.4006 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 440
740
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 41
30
Thermal Expansion, µm/m-K 13
11

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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