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EN 1.6368 Steel vs. ASTM Grade HI Steel

Both EN 1.6368 steel and ASTM grade HI steel are iron alloys. They have 56% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.6368 steel and the bottom bar is ASTM grade HI steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18
11
Fatigue Strength, MPa 310 to 330
150
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 660 to 690
550
Tensile Strength: Yield (Proof), MPa 460 to 490
270

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
23
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
4.1
Embodied Energy, MJ/kg 22
59
Embodied Water, L/kg 53
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
52
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 650
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 24
20
Strength to Weight: Bending, points 21 to 22
19
Thermal Diffusivity, mm2/s 11
3.9
Thermal Shock Resistance, points 20
12

Alloy Composition

Aluminum (Al), % 0.015 to 0.040
0
Carbon (C), % 0 to 0.17
0.2 to 0.5
Chromium (Cr), % 0 to 0.3
26 to 30
Copper (Cu), % 0.5 to 0.8
0
Iron (Fe), % 95.1 to 97.2
46.9 to 59.8
Manganese (Mn), % 0.8 to 1.2
0 to 2.0
Molybdenum (Mo), % 0.25 to 0.5
0 to 0.5
Nickel (Ni), % 1.0 to 1.3
14 to 18
Niobium (Nb), % 0.015 to 0.045
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.25 to 0.5
0 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.040