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ASTM A372 Grade K Steel vs. EN 1.1132 Steel

Both ASTM A372 grade K steel and EN 1.1132 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A372 grade K steel and the bottom bar is EN 1.1132 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
12 to 24
Fatigue Strength, MPa 440
180 to 280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 490
260 to 310
Tensile Strength: Ultimate (UTS), MPa 780
370 to 490
Tensile Strength: Yield (Proof), MPa 620
240 to 400

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
400
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 48
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.8
1.4
Embodied Energy, MJ/kg 24
18
Embodied Water, L/kg 57
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
38 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 1010
160 to 430
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27
13 to 17
Strength to Weight: Bending, points 24
15 to 18
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 23
12 to 16

Alloy Composition

Carbon (C), % 0 to 0.18
0.13 to 0.17
Chromium (Cr), % 1.0 to 1.8
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 93.4 to 96.6
98.6 to 99.57
Manganese (Mn), % 0.1 to 0.4
0.3 to 0.6
Molybdenum (Mo), % 0.2 to 0.6
0
Nickel (Ni), % 2.0 to 3.3
0
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0 to 0.3
Sulfur (S), % 0 to 0.010
0 to 0.025