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ASTM Grade HP Steel vs. EN 1.7767 Steel

Both ASTM grade HP steel and EN 1.7767 steel are iron alloys. They have 40% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 1.7767 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 5.1
20
Fatigue Strength, MPa 130
320 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
74
Tensile Strength: Ultimate (UTS), MPa 490
670 to 690
Tensile Strength: Yield (Proof), MPa 260
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1100
480
Melting Completion (Liquidus), °C 1370
1470
Melting Onset (Solidus), °C 1330
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
40
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 34
4.5
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 5.8
2.4
Embodied Energy, MJ/kg 82
33
Embodied Water, L/kg 220
64

Common Calculations

PREN (Pitting Resistance) 27
6.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 170
570 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 17
22
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 11
19 to 20

Alloy Composition

Carbon (C), % 0.35 to 0.75
0.1 to 0.15
Chromium (Cr), % 24 to 28
2.8 to 3.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 29.2 to 42.7
93.8 to 95.8
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.5
0.9 to 1.1
Nickel (Ni), % 33 to 37
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 2.5
0 to 0.15
Sulfur (S), % 0 to 0.040
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0.2 to 0.3