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EN 1.4913 Stainless Steel vs. EN 1.6570 Steel

Both EN 1.4913 stainless steel and EN 1.6570 steel are iron alloys. They have 90% 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 1.4913 stainless steel and the bottom bar is EN 1.6570 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 22
11 to 17
Fatigue Strength, MPa 320 to 480
500 to 660
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 870 to 980
910 to 1130
Tensile Strength: Yield (Proof), MPa 480 to 850
760 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 700
440
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 24
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
3.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
1.7
Embodied Energy, MJ/kg 41
23
Embodied Water, L/kg 97
56

Common Calculations

PREN (Pitting Resistance) 14
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 600 to 1860
1520 to 3010
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 35
32 to 40
Strength to Weight: Bending, points 26 to 28
27 to 31
Thermal Diffusivity, mm2/s 6.5
11
Thermal Shock Resistance, points 31 to 34
27 to 33

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0 to 0.0015
0
Carbon (C), % 0.17 to 0.23
0.28 to 0.35
Chromium (Cr), % 10 to 11.5
1.0 to 1.4
Iron (Fe), % 84.5 to 88.3
94 to 96.2
Manganese (Mn), % 0.4 to 0.9
0.6 to 1.0
Molybdenum (Mo), % 0.5 to 0.8
0.3 to 0.5
Nickel (Ni), % 0.2 to 0.6
1.6 to 2.1
Niobium (Nb), % 0.25 to 0.55
0
Nitrogen (N), % 0.050 to 0.1
0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.015
Vanadium (V), % 0.1 to 0.3
0