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EN 1.4568 Stainless Steel vs. EN 1.6570 Steel

Both EN 1.4568 stainless steel and EN 1.6570 steel are iron alloys. They have 78% 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 1.4568 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, % 2.3 to 21
11 to 17
Fatigue Strength, MPa 220 to 670
500 to 660
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 830 to 1620
910 to 1130
Tensile Strength: Yield (Proof), MPa 330 to 1490
760 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 890
440
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
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 13
3.9
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.7
Embodied Energy, MJ/kg 40
23
Embodied Water, L/kg 140
56

Common Calculations

PREN (Pitting Resistance) 17
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 36 to 140
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 5710
1520 to 3010
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30 to 58
32 to 40
Strength to Weight: Bending, points 25 to 40
27 to 31
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 23 to 46
27 to 33

Alloy Composition

Aluminum (Al), % 0.7 to 1.5
0
Carbon (C), % 0 to 0.090
0.28 to 0.35
Chromium (Cr), % 16 to 18
1.0 to 1.4
Iron (Fe), % 70.9 to 76.8
94 to 96.2
Manganese (Mn), % 0 to 1.0
0.6 to 1.0
Molybdenum (Mo), % 0
0.3 to 0.5
Nickel (Ni), % 6.5 to 7.8
1.6 to 2.1
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 0.7
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.015

Comparable Variants