MakeItFrom.com
Menu (ESC)

AWS E240 vs. ASTM Grade HI Steel

Both AWS E240 and ASTM grade HI steel are iron alloys. They have 78% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E240 and the bottom bar is ASTM grade HI steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
11
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 770
550

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Melting Completion (Liquidus), °C 1390
1400
Melting Onset (Solidus), °C 1350
1350
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 14
23
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.0
4.1
Embodied Energy, MJ/kg 42
59
Embodied Water, L/kg 160
200

Common Calculations

PREN (Pitting Resistance) 22
29
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
20
Strength to Weight: Bending, points 24
19
Thermal Diffusivity, mm2/s 3.9
3.9
Thermal Shock Resistance, points 19
12

Alloy Composition

Carbon (C), % 0 to 0.060
0.2 to 0.5
Chromium (Cr), % 17 to 19
26 to 30
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 58.6 to 68.4
46.9 to 59.8
Manganese (Mn), % 10.5 to 13.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.75
0 to 0.5
Nickel (Ni), % 4.0 to 6.0
14 to 18
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040