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EN 1.6368 Steel vs. EN 1.7376 Steel

Both EN 1.6368 steel and EN 1.7376 steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 30 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 1.6368 steel and the bottom bar is EN 1.7376 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
20
Fatigue Strength, MPa 310 to 330
320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 660 to 690
710
Tensile Strength: Yield (Proof), MPa 460 to 490
460

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 410
600
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
26
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
9.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
11

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
6.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
2.1
Embodied Energy, MJ/kg 22
29
Embodied Water, L/kg 53
88

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 650
560
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 24
25
Strength to Weight: Bending, points 21 to 22
23
Thermal Diffusivity, mm2/s 11
6.9
Thermal Shock Resistance, points 20
20

Alloy Composition

Aluminum (Al), % 0.015 to 0.040
0
Carbon (C), % 0 to 0.17
0.12 to 0.19
Chromium (Cr), % 0 to 0.3
8.0 to 10
Copper (Cu), % 0.5 to 0.8
0 to 0.3
Iron (Fe), % 95.1 to 97.2
86.2 to 90.6
Manganese (Mn), % 0.8 to 1.2
0.35 to 0.65
Molybdenum (Mo), % 0.25 to 0.5
0.9 to 1.2
Nickel (Ni), % 1.0 to 1.3
0 to 0.4
Niobium (Nb), % 0.015 to 0.045
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.25 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Vanadium (V), % 0
0 to 0.050