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EN 1.6958 Steel vs. EN 1.8967 Steel

Both EN 1.6958 steel and EN 1.8967 steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.6958 steel and the bottom bar is EN 1.8967 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
16
Fatigue Strength, MPa 700
220
Impact Strength: V-Notched Charpy, J 63
30
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 700
350
Tensile Strength: Ultimate (UTS), MPa 1140
570
Tensile Strength: Yield (Proof), MPa 1070
340

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 450
420
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
39
Thermal Expansion, µm/m-K 11
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
3.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.8
Embodied Energy, MJ/kg 27
25
Embodied Water, L/kg 60
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
78
Resilience: Unit (Modulus of Resilience), kJ/m3 3050
300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 40
20
Strength to Weight: Bending, points 31
19
Thermal Diffusivity, mm2/s 13
10
Thermal Shock Resistance, points 39
17

Alloy Composition

Aluminum (Al), % 0.0050 to 0.050
0 to 0.030
Carbon (C), % 0.25 to 0.3
0 to 0.19
Chromium (Cr), % 1.2 to 1.7
0.35 to 0.85
Copper (Cu), % 0
0.2 to 0.6
Iron (Fe), % 92.6 to 94.5
94.6 to 99
Manganese (Mn), % 0.2 to 0.5
0.45 to 1.6
Molybdenum (Mo), % 0.35 to 0.55
0 to 0.35
Nickel (Ni), % 3.3 to 3.8
0 to 0.7
Niobium (Nb), % 0
0 to 0.065
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0.15 to 0.3
0 to 0.55
Sulfur (S), % 0 to 0.015
0 to 0.035
Titanium (Ti), % 0
0 to 0.12
Vanadium (V), % 0 to 0.12
0 to 0.14
Zirconium (Zr), % 0
0 to 0.17