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ASTM Grade HI Steel vs. EN 1.7216 Steel

Both ASTM grade HI steel and EN 1.7216 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 (3, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HI steel and the bottom bar is EN 1.7216 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
12 to 23
Fatigue Strength, MPa 150
290 to 440
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 550
650 to 930
Tensile Strength: Yield (Proof), MPa 270
400 to 690

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
46
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.1
1.5
Embodied Energy, MJ/kg 59
20
Embodied Water, L/kg 200
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 180
430 to 1280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
23 to 33
Strength to Weight: Bending, points 19
21 to 27
Thermal Diffusivity, mm2/s 3.9
12
Thermal Shock Resistance, points 12
19 to 27

Alloy Composition

Carbon (C), % 0.2 to 0.5
0.27 to 0.34
Chromium (Cr), % 26 to 30
0.8 to 1.2
Iron (Fe), % 46.9 to 59.8
97.2 to 98.4
Manganese (Mn), % 0 to 2.0
0.35 to 0.6
Molybdenum (Mo), % 0 to 0.5
0.15 to 0.3
Nickel (Ni), % 14 to 18
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 2.0
0 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.035