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EN 1.6570 Steel vs. EN 1.4913 Stainless Steel

Both EN 1.6570 steel and EN 1.4913 stainless 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 1.6570 steel and the bottom bar is EN 1.4913 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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