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EN 1.7711 Steel vs. ASTM Grade HP Steel

Both EN 1.7711 steel and ASTM grade HP steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.7711 steel and the bottom bar is ASTM grade HP steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 280
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16 to 22
5.1
Fatigue Strength, MPa 290 to 520
130
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 690 to 930
490
Tensile Strength: Yield (Proof), MPa 400 to 800
260

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 430
1100
Melting Completion (Liquidus), °C 1460
1370
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 33
12
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
34
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.3
5.8
Embodied Energy, MJ/kg 32
82
Embodied Water, L/kg 54
220

Common Calculations

PREN (Pitting Resistance) 2.9
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 140
21
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1690
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 33
17
Strength to Weight: Bending, points 22 to 27
17
Thermal Diffusivity, mm2/s 8.9
3.2
Thermal Shock Resistance, points 24 to 32
11

Alloy Composition

Aluminum (Al), % 0 to 0.015
0
Carbon (C), % 0.36 to 0.44
0.35 to 0.75
Chromium (Cr), % 0.9 to 1.2
24 to 28
Iron (Fe), % 96 to 97.5
29.2 to 42.7
Manganese (Mn), % 0.45 to 0.85
0 to 2.0
Molybdenum (Mo), % 0.5 to 0.65
0 to 0.5
Nickel (Ni), % 0
33 to 37
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.040
Vanadium (V), % 0.25 to 0.35
0