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EN 1.6570 Steel vs. EN 1.4547 Stainless Steel

Both EN 1.6570 steel and EN 1.4547 stainless steel are iron alloys. They have 58% of their average alloy composition in common. There are 32 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 1.6570 steel and the bottom bar is EN 1.4547 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270 to 340
230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
39
Fatigue Strength, MPa 500 to 660
290
Impact Strength: V-Notched Charpy, J 40 to 48
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 910 to 1130
750
Tensile Strength: Yield (Proof), MPa 760 to 1060
340

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 440
1090
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 40
14
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
28
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.7
5.6
Embodied Energy, MJ/kg 23
75
Embodied Water, L/kg 56
190

Common Calculations

PREN (Pitting Resistance) 2.5
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 140
240
Resilience: Unit (Modulus of Resilience), kJ/m3 1520 to 3010
290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 32 to 40
26
Strength to Weight: Bending, points 27 to 31
23
Thermal Diffusivity, mm2/s 11
3.8
Thermal Shock Resistance, points 27 to 33
16

Alloy Composition

Carbon (C), % 0.28 to 0.35
0 to 0.020
Chromium (Cr), % 1.0 to 1.4
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 94 to 96.2
51 to 56.3
Manganese (Mn), % 0.6 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.3 to 0.5
6.0 to 7.0
Nickel (Ni), % 1.6 to 2.1
17.5 to 18.5
Nitrogen (N), % 0
0.18 to 0.25
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.6
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.010