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ASTM A372 Grade K Steel vs. SAE-AISI 1005 Steel

Both ASTM A372 grade K steel and SAE-AISI 1005 steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 31 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 ASTM A372 grade K steel and the bottom bar is SAE-AISI 1005 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
95
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
23
Fatigue Strength, MPa 440
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 490
210
Tensile Strength: Ultimate (UTS), MPa 780
330
Tensile Strength: Yield (Proof), MPa 620
260

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 48
53
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
7.9

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
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
70
Resilience: Unit (Modulus of Resilience), kJ/m3 1010
180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27
12
Strength to Weight: Bending, points 24
13
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 23
10

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.060
Chromium (Cr), % 1.0 to 1.8
0
Iron (Fe), % 93.4 to 96.6
99.5 to 100
Manganese (Mn), % 0.1 to 0.4
0 to 0.35
Molybdenum (Mo), % 0.2 to 0.6
0
Nickel (Ni), % 2.0 to 3.3
0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.010
0 to 0.050