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ASTM A217 Cast Steel vs. ASTM Grade HN Steel

Both ASTM A217 cast steel and ASTM grade HN steel are iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM A217 cast steel and the bottom bar is ASTM grade HN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 210
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21 to 27
9.0
Poisson's Ratio 0.28 to 0.29
0.28
Shear Modulus, GPa 73 to 75
77
Tensile Strength: Ultimate (UTS), MPa 540 to 710
500

Thermal Properties

Latent Heat of Fusion, J/g 250 to 270
310
Maximum Temperature: Mechanical, °C 410 to 600
1080
Melting Completion (Liquidus), °C 1450 to 1460
1400
Melting Onset (Solidus), °C 1410 to 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26 to 50
13
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 7.0
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5 to 2.1
4.6
Embodied Energy, MJ/kg 20 to 28
66
Embodied Water, L/kg 47 to 87
180

Common Calculations

PREN (Pitting Resistance) 2.5 to 13
22
Stiffness to Weight: Axial, points 13 to 14
14
Stiffness to Weight: Bending, points 24 to 25
25
Strength to Weight: Axial, points 19 to 25
17
Strength to Weight: Bending, points 19 to 23
18
Thermal Diffusivity, mm2/s 6.9 to 14
3.5
Thermal Shock Resistance, points 16 to 20
11