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EN 1.7336 Steel vs. EN 1.8868 Steel

Both EN 1.7336 steel and EN 1.8868 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.7336 steel and the bottom bar is EN 1.8868 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
25
Fatigue Strength, MPa 240 to 310
260
Impact Strength: V-Notched Charpy, J 39 to 46
90
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 370
350
Tensile Strength: Ultimate (UTS), MPa 590
540
Tensile Strength: Yield (Proof), MPa 340 to 440
350

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 430
410
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 40
48
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.1
2.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
1.6
Embodied Energy, MJ/kg 21
21
Embodied Water, L/kg 53
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 510
330
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
19
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 17
16

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.17
0 to 0.16
Chromium (Cr), % 1.0 to 1.5
0 to 0.3
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 95.6 to 97.7
96.4 to 100
Manganese (Mn), % 0.4 to 0.65
0 to 1.5
Molybdenum (Mo), % 0.45 to 0.65
0 to 0.25
Nickel (Ni), % 0 to 0.3
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.012
0 to 0.015
Phosphorus (P), % 0 to 0.015
0 to 0.020
Silicon (Si), % 0.5 to 0.8
0 to 0.4
Sulfur (S), % 0 to 0.0050
0 to 0.0080
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.060
Zirconium (Zr), % 0
0 to 0.050