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K93050 Alloy vs. ASTM A387 Grade 9 Steel

Both K93050 alloy and ASTM A387 grade 9 steel are iron alloys. They have 63% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is K93050 alloy and the bottom bar is ASTM A387 grade 9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
75
Tensile Strength: Ultimate (UTS), MPa 500 to 680
500 to 600

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 26
6.5
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.7
2.1
Embodied Energy, MJ/kg 65
28
Embodied Water, L/kg 120
87

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 17 to 23
18 to 21
Strength to Weight: Bending, points 17 to 21
18 to 20
Thermal Shock Resistance, points 16 to 21
14 to 17

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.15
Chromium (Cr), % 0 to 0.25
8.0 to 10
Cobalt (Co), % 0 to 0.5
0
Iron (Fe), % 61.4 to 63.9
87.1 to 90.8
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 36
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Selenium (Se), % 0.15 to 0.3
0
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.025
Vanadium (V), % 0
0 to 0.040

Comparable Variants