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ASTM A216 Cast Steel vs. ASTM Grade HN Steel

Both ASTM A216 cast steel and ASTM grade HN steel are iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ASTM A216 cast steel and the bottom bar is ASTM grade HN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25 to 27
9.0
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 500 to 570
500

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1080
Melting Completion (Liquidus), °C 1450 to 1460
1400
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 49 to 52
13
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
4.6
Embodied Energy, MJ/kg 18
66
Embodied Water, L/kg 45
180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 20
17
Strength to Weight: Bending, points 18 to 20
18
Thermal Diffusivity, mm2/s 13 to 14
3.5
Thermal Shock Resistance, points 16 to 18
11