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EN 1.4006 Stainless Steel vs. EN 1.6570 Steel

Both EN 1.4006 stainless steel and EN 1.6570 steel are iron alloys. They have 89% 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 1.6570 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
500 to 660
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 590 to 750
910 to 1130
Tensile Strength: Yield (Proof), MPa 230 to 510
760 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
440
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
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
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
3.9
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.9
1.7
Embodied Energy, MJ/kg 27
23
Embodied Water, L/kg 100
56

Common Calculations

PREN (Pitting Resistance) 13
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 110
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 660
1520 to 3010
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 27
32 to 40
Strength to Weight: Bending, points 20 to 24
27 to 31
Thermal Diffusivity, mm2/s 8.1
11
Thermal Shock Resistance, points 21 to 26
27 to 33

Alloy Composition

Carbon (C), % 0.080 to 0.15
0.28 to 0.35
Chromium (Cr), % 11.5 to 13.5
1.0 to 1.4
Iron (Fe), % 83.1 to 88.4
94 to 96.2
Manganese (Mn), % 0 to 1.5
0.6 to 1.0
Molybdenum (Mo), % 0
0.3 to 0.5
Nickel (Ni), % 0 to 0.75
1.6 to 2.1
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.015