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ASTM Grade HP Steel vs. EN 1.3539 Steel

Both ASTM grade HP steel and EN 1.3539 steel are iron alloys. They have 40% of their average alloy composition in common. There are 24 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 1.3539 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 490
670

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Maximum Temperature: Mechanical, °C 1100
450
Melting Completion (Liquidus), °C 1370
1450
Melting Onset (Solidus), °C 1330
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 34
3.2
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.8
1.7
Embodied Energy, MJ/kg 82
22
Embodied Water, L/kg 220
57

Common Calculations

PREN (Pitting Resistance) 27
3.8
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
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
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.35 to 0.75
0.93 to 1.1
Chromium (Cr), % 24 to 28
1.8 to 2.1
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 29.2 to 42.7
95.2 to 96.5
Manganese (Mn), % 0 to 2.0
0.8 to 1.1
Molybdenum (Mo), % 0 to 0.5
0.5 to 0.6
Nickel (Ni), % 33 to 37
0
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.5
0.4 to 0.6
Sulfur (S), % 0 to 0.040
0 to 0.030