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EN 1.7076 Steel vs. ASTM A372 Grade K Steel

Both EN 1.7076 steel and ASTM A372 grade K steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 25 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 EN 1.7076 steel and the bottom bar is ASTM A372 grade K steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 470 to 1700
780

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
440
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
48
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
4.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.8
Embodied Energy, MJ/kg 19
24
Embodied Water, L/kg 51
57

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 60
27
Strength to Weight: Bending, points 17 to 40
24
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 14 to 50
23

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.3 to 0.34
0 to 0.18
Chromium (Cr), % 0.9 to 1.2
1.0 to 1.8
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97 to 98.2
93.4 to 96.6
Manganese (Mn), % 0.6 to 0.9
0.1 to 0.4
Molybdenum (Mo), % 0
0.2 to 0.6
Nickel (Ni), % 0
2.0 to 3.3
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 0.3
0.15 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.010