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EN 1.5662 Steel vs. EN 1.6958 Steel

Both EN 1.5662 steel and EN 1.6958 steel are iron alloys. They have a moderately high 94% 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 1.5662 steel and the bottom bar is EN 1.6958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 230
340
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
16
Fatigue Strength, MPa 380 to 450
700
Impact Strength: V-Notched Charpy, J 91 to 130
63
Poisson's Ratio 0.29
0.29
Reduction in Area, % 56 to 57
56
Shear Modulus, GPa 73
73
Shear Strength, MPa 460 to 470
700
Tensile Strength: Ultimate (UTS), MPa 740 to 750
1140
Tensile Strength: Yield (Proof), MPa 550 to 660
1070

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
450
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
5.0
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.3
2.0
Embodied Energy, MJ/kg 31
27
Embodied Water, L/kg 63
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
180
Resilience: Unit (Modulus of Resilience), kJ/m3 810 to 1150
3050
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
40
Strength to Weight: Bending, points 23
31
Thermal Shock Resistance, points 22
39

Alloy Composition

Aluminum (Al), % 0
0.0050 to 0.050
Carbon (C), % 0 to 0.1
0.25 to 0.3
Chromium (Cr), % 0
1.2 to 1.7
Iron (Fe), % 88.6 to 91.2
92.6 to 94.5
Manganese (Mn), % 0.3 to 0.8
0.2 to 0.5
Molybdenum (Mo), % 0 to 0.1
0.35 to 0.55
Nickel (Ni), % 8.5 to 10
3.3 to 3.8
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.35
0.15 to 0.3
Sulfur (S), % 0 to 0.0050
0 to 0.015
Vanadium (V), % 0 to 0.050
0 to 0.12