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EN 1.6570 Steel vs. EN 1.4306 Stainless Steel

Both EN 1.6570 steel and EN 1.4306 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.4306 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270 to 340
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
14 to 45
Fatigue Strength, MPa 500 to 660
190 to 330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 910 to 1130
580 to 900
Tensile Strength: Yield (Proof), MPa 760 to 1060
210 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 440
960
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
16
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
3.2
Embodied Energy, MJ/kg 23
45
Embodied Water, L/kg 56
150

Common Calculations

PREN (Pitting Resistance) 2.5
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 140
110 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 1520 to 3010
110 to 820
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 32 to 40
21 to 32
Strength to Weight: Bending, points 27 to 31
20 to 27
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 27 to 33
13 to 20

Alloy Composition

Carbon (C), % 0.28 to 0.35
0 to 0.030
Chromium (Cr), % 1.0 to 1.4
18 to 20
Iron (Fe), % 94 to 96.2
64.8 to 72
Manganese (Mn), % 0.6 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.3 to 0.5
0
Nickel (Ni), % 1.6 to 2.1
10 to 12
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015

Comparable Variants