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K93600 Alloy vs. ASTM A387 Grade 21L Class 1

Both K93600 alloy and ASTM A387 grade 21L class 1 are iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is K93600 alloy and the bottom bar is ASTM A387 grade 21L class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
190
Elongation at Break, % 5.0 to 35
21
Shear Strength, MPa 320 to 380
310
Tensile Strength: Ultimate (UTS), MPa 480 to 810
500
Tensile Strength: Yield (Proof), MPa 280 to 750
230

Thermal Properties

Maximum Temperature: Mechanical, °C 440
480
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 520
470
Thermal Conductivity, W/m-K 13
41
Thermal Expansion, µm/m-K 7.3
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.8

Otherwise Unclassified Properties

Density, g/cm3 8.1
7.9

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 280
84
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 2050
140
Stiffness to Weight: Axial, points 9.4
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 16 to 28
18
Strength to Weight: Bending, points 17 to 24
18
Thermal Diffusivity, mm2/s 3.1
11
Thermal Shock Resistance, points 34 to 57
14