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EN 1.4570 Stainless Steel vs. EN 1.4424 Stainless Steel

Both EN 1.4570 stainless steel and EN 1.4424 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4570 stainless steel and the bottom bar is EN 1.4424 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
28
Fatigue Strength, MPa 180
350 to 370
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 410
520
Tensile Strength: Ultimate (UTS), MPa 610
800
Tensile Strength: Yield (Proof), MPa 210
480 to 500

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 930
960
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
15
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.1
3.4
Embodied Energy, MJ/kg 43
46
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 20
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
190 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 110
580 to 640
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
29
Strength to Weight: Bending, points 20
25
Thermal Diffusivity, mm2/s 4.0
3.5
Thermal Shock Resistance, points 14
23

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 17 to 19
18 to 19
Copper (Cu), % 1.4 to 1.8
0
Iron (Fe), % 65 to 73.5
68.6 to 72.4
Manganese (Mn), % 0 to 2.0
1.2 to 2.0
Molybdenum (Mo), % 0 to 0.6
2.5 to 3.0
Nickel (Ni), % 8.0 to 10
4.5 to 5.2
Nitrogen (N), % 0 to 0.1
0.050 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
1.4 to 2.0
Sulfur (S), % 0.15 to 0.35
0 to 0.015