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EN 1.4411 Stainless Steel vs. EN 1.6570 Steel

Both EN 1.4411 stainless steel and EN 1.6570 steel are iron alloys. They have 81% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4411 stainless steel and the bottom bar is EN 1.6570 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
11 to 17
Fatigue Strength, MPa 370
500 to 660
Impact Strength: V-Notched Charpy, J 68
40 to 48
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 870
910 to 1130
Tensile Strength: Yield (Proof), MPa 600
760 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 880
440
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 17
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 13
3.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.0
1.7
Embodied Energy, MJ/kg 41
23
Embodied Water, L/kg 130
56

Common Calculations

PREN (Pitting Resistance) 22
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 920
1520 to 3010
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31
32 to 40
Strength to Weight: Bending, points 26
27 to 31
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 28
27 to 33

Alloy Composition

Carbon (C), % 0 to 0.060
0.28 to 0.35
Chromium (Cr), % 15 to 17
1.0 to 1.4
Iron (Fe), % 73.1 to 79.5
94 to 96.2
Manganese (Mn), % 0 to 1.0
0.6 to 1.0
Molybdenum (Mo), % 1.5 to 2.0
0.3 to 0.5
Nickel (Ni), % 4.0 to 6.0
1.6 to 2.1
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 0.8
0 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.015