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EN 1.6570 Steel vs. S44627 Stainless Steel

Both EN 1.6570 steel and S44627 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.6570 steel and the bottom bar is S44627 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270 to 340
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
24
Fatigue Strength, MPa 500 to 660
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 910 to 1130
490
Tensile Strength: Yield (Proof), MPa 760 to 1060
300

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
14
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.7
2.9
Embodied Energy, MJ/kg 23
41
Embodied Water, L/kg 56
160

Common Calculations

PREN (Pitting Resistance) 2.5
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 140
100
Resilience: Unit (Modulus of Resilience), kJ/m3 1520 to 3010
220
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 32 to 40
18
Strength to Weight: Bending, points 27 to 31
18
Thermal Diffusivity, mm2/s 11
4.6
Thermal Shock Resistance, points 27 to 33
16

Alloy Composition

Carbon (C), % 0.28 to 0.35
0 to 0.010
Chromium (Cr), % 1.0 to 1.4
25 to 27.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 94 to 96.2
69.2 to 74.2
Manganese (Mn), % 0.6 to 1.0
0 to 0.4
Molybdenum (Mo), % 0.3 to 0.5
0.75 to 1.5
Nickel (Ni), % 1.6 to 2.1
0 to 0.5
Niobium (Nb), % 0
0.050 to 0.2
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.6
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.020