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ASTM Grade HH Steel vs. EN 1.0034 Steel

Both ASTM grade HH steel and EN 1.0034 steel are iron alloys. They have 59% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HH steel and the bottom bar is EN 1.0034 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
97 to 110
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
9.0 to 32
Fatigue Strength, MPa 150
140 to 170
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 580
340 to 380
Tensile Strength: Yield (Proof), MPa 270
180 to 280

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
53
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 20
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.7
1.4
Embodied Energy, MJ/kg 53
18
Embodied Water, L/kg 180
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 53
31 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 190
84 to 210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
12 to 13
Strength to Weight: Bending, points 20
14 to 15
Thermal Diffusivity, mm2/s 3.8
14
Thermal Shock Resistance, points 12
11 to 12

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.15
Chromium (Cr), % 24 to 28
0
Iron (Fe), % 52.9 to 64.8
98.7 to 100
Manganese (Mn), % 0 to 2.0
0 to 0.7
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 11 to 14
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 2.0
0 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.045