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EN 1.6957 Steel vs. EN 1.6582 Steel

Both EN 1.6957 steel and EN 1.6582 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.6957 steel and the bottom bar is EN 1.6582 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280
190 to 300
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 930
620 to 1750

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 450
440
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 47
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
3.6
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.1
1.7
Embodied Energy, MJ/kg 29
22
Embodied Water, L/kg 60
56

Common Calculations

PREN (Pitting Resistance) 2.7
2.2
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 33
22 to 62
Strength to Weight: Bending, points 27
21 to 41
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 27
18 to 51

Alloy Composition

Carbon (C), % 0.22 to 0.32
0.3 to 0.38
Chromium (Cr), % 1.2 to 1.8
1.3 to 1.7
Iron (Fe), % 92.7 to 94.7
94.7 to 96.5
Manganese (Mn), % 0.15 to 0.4
0.5 to 0.8
Molybdenum (Mo), % 0.25 to 0.45
0.15 to 0.3
Nickel (Ni), % 3.4 to 4.0
1.3 to 1.7
Phosphorus (P), % 0 to 0.010
0 to 0.035
Silicon (Si), % 0 to 0.15
0 to 0.4
Sulfur (S), % 0 to 0.0070
0 to 0.035
Vanadium (V), % 0.050 to 0.15
0