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ASTM Grade HF Steel vs. EN 1.1170 Steel

Both ASTM grade HF steel and EN 1.1170 steel are iron alloys. They have 69% 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 ASTM grade HF steel and the bottom bar is EN 1.1170 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
16 to 17
Fatigue Strength, MPa 200
220 to 330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 550
640 to 730
Tensile Strength: Yield (Proof), MPa 270
330 to 500

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
50
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.5
Embodied Energy, MJ/kg 46
19
Embodied Water, L/kg 150
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
91 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 180
290 to 670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
23 to 26
Strength to Weight: Bending, points 19
21 to 23
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 12
20 to 23

Alloy Composition

Carbon (C), % 0.2 to 0.4
0.25 to 0.32
Chromium (Cr), % 18 to 23
0 to 0.4
Iron (Fe), % 60 to 73.8
96.7 to 98.5
Manganese (Mn), % 0 to 2.0
1.3 to 1.7
Molybdenum (Mo), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 8.0 to 12
0 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 2.0
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.035