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EN 1.8516 Steel vs. ASTM A372 Grade K Steel

Both EN 1.8516 steel and ASTM A372 grade K steel are iron alloys. Both are furnished in the quenched and tempered condition. They have a very high 97% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.8516 steel and the bottom bar is ASTM A372 grade K steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
23
Fatigue Strength, MPa 570
440
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 660
490
Tensile Strength: Ultimate (UTS), MPa 1100
780
Tensile Strength: Yield (Proof), MPa 910
620

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 470
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 39
48
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
4.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
1.8
Embodied Energy, MJ/kg 22
24
Embodied Water, L/kg 61
57

Common Calculations

PREN (Pitting Resistance) 5.2
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
160
Resilience: Unit (Modulus of Resilience), kJ/m3 2190
1010
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 39
27
Strength to Weight: Bending, points 30
24
Thermal Diffusivity, mm2/s 10
13
Thermal Shock Resistance, points 32
23

Alloy Composition

Carbon (C), % 0.2 to 0.27
0 to 0.18
Chromium (Cr), % 3.0 to 3.5
1.0 to 1.8
Iron (Fe), % 94.6 to 96.1
93.4 to 96.6
Manganese (Mn), % 0.4 to 0.7
0.1 to 0.4
Molybdenum (Mo), % 0.5 to 0.7
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 0.4
0.15 to 0.35
Sulfur (S), % 0 to 0.035
0 to 0.010