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ASTM Grade HP Steel vs. EN 1.3961 Alloy

Both ASTM grade HP steel and EN 1.3961 alloy are iron alloys. They have 72% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HP steel and the bottom bar is EN 1.3961 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 5.1
31
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 490
450
Tensile Strength: Yield (Proof), MPa 260
310

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Melting Completion (Liquidus), °C 1370
1430
Melting Onset (Solidus), °C 1330
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 16
1.3

Otherwise Unclassified Properties

Base Metal Price, % relative 34
25
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 5.8
4.8
Embodied Energy, MJ/kg 82
66
Embodied Water, L/kg 220
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
130
Resilience: Unit (Modulus of Resilience), kJ/m3 170
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 17
15
Strength to Weight: Bending, points 17
16
Thermal Shock Resistance, points 11
130

Alloy Composition

Carbon (C), % 0.35 to 0.75
0 to 0.050
Chromium (Cr), % 24 to 28
0 to 0.25
Iron (Fe), % 29.2 to 42.7
60.7 to 65
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
0 to 1.0
Nickel (Ni), % 33 to 37
35 to 37
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.5
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.020