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EN 1.7233 Steel vs. ASTM Grade HF Steel

Both EN 1.7233 steel and ASTM grade HF steel are iron alloys. They have 70% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.7233 steel and the bottom bar is ASTM grade HF steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 290
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18 to 23
29
Fatigue Strength, MPa 270 to 530
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 700 to 960
550
Tensile Strength: Yield (Proof), MPa 380 to 780
270

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 430
1000
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
16
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
3.2
Embodied Energy, MJ/kg 21
46
Embodied Water, L/kg 53
150

Common Calculations

PREN (Pitting Resistance) 3.3
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 200
130
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1630
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 34
20
Strength to Weight: Bending, points 22 to 28
19
Thermal Diffusivity, mm2/s 11
4.2
Thermal Shock Resistance, points 21 to 28
12

Alloy Composition

Carbon (C), % 0.39 to 0.45
0.2 to 0.4
Chromium (Cr), % 1.2 to 1.5
18 to 23
Iron (Fe), % 96.2 to 97.5
60 to 73.8
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.5 to 0.7
0 to 0.5
Nickel (Ni), % 0
8.0 to 12
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 2.0
Sulfur (S), % 0 to 0.035
0 to 0.040