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EN 1.4469 Stainless Steel vs. EN 1.6570 Steel

Both EN 1.4469 stainless steel and EN 1.6570 steel are iron alloys. They have 65% 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 1.4469 stainless steel and the bottom bar is EN 1.6570 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 25
11 to 17
Fatigue Strength, MPa 380
500 to 660
Impact Strength: V-Notched Charpy, J 56
40 to 48
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 740
910 to 1130
Tensile Strength: Yield (Proof), MPa 550
760 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
40
Thermal Expansion, µm/m-K 13
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 21
3.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.1
1.7
Embodied Energy, MJ/kg 57
23
Embodied Water, L/kg 180
56

Common Calculations

PREN (Pitting Resistance) 42
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 730
1520 to 3010
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
32 to 40
Strength to Weight: Bending, points 23
27 to 31
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 20
27 to 33

Alloy Composition

Carbon (C), % 0 to 0.030
0.28 to 0.35
Chromium (Cr), % 25 to 27
1.0 to 1.4
Copper (Cu), % 0 to 1.3
0
Iron (Fe), % 56.4 to 65.9
94 to 96.2
Manganese (Mn), % 0 to 1.0
0.6 to 1.0
Molybdenum (Mo), % 3.0 to 5.0
0.3 to 0.5
Nickel (Ni), % 6.0 to 8.0
1.6 to 2.1
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.015