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EN 1.3963 Alloy vs. ASTM Grade HF Steel

Both EN 1.3963 alloy and ASTM grade HF steel are iron alloys. They have 74% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.3963 alloy and the bottom bar is ASTM grade HF steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 29
29
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 440
550
Tensile Strength: Yield (Proof), MPa 310
270

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 1.6
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
17
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 4.8
3.2
Embodied Energy, MJ/kg 66
46
Embodied Water, L/kg 110
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 260
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
20
Strength to Weight: Bending, points 16
19
Thermal Shock Resistance, points 110
12

Alloy Composition

Carbon (C), % 0 to 0.050
0.2 to 0.4
Chromium (Cr), % 0 to 0.25
18 to 23
Iron (Fe), % 60.5 to 64.9
60 to 73.8
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0 to 1.0
0 to 0.5
Nickel (Ni), % 35 to 37
8.0 to 12
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 2.0
Sulfur (S), % 0.1 to 0.2
0 to 0.040