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ASTM Grade HI Steel vs. AWS E316LMn

Both ASTM grade HI steel and AWS E316LMn are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HI steel and the bottom bar is AWS E316LMn.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
23
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
79
Tensile Strength: Ultimate (UTS), MPa 550
620

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1350
1370
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 17
14

Otherwise Unclassified Properties

Base Metal Price, % relative 23
24
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.1
4.6
Embodied Energy, MJ/kg 59
64
Embodied Water, L/kg 200
180

Common Calculations

PREN (Pitting Resistance) 29
32
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
22
Strength to Weight: Bending, points 19
20
Thermal Shock Resistance, points 12
15

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.040
Chromium (Cr), % 26 to 30
18 to 21
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 46.9 to 59.8
47.5 to 59.4
Manganese (Mn), % 0 to 2.0
5.0 to 8.0
Molybdenum (Mo), % 0 to 0.5
2.5 to 3.5
Nickel (Ni), % 14 to 18
15 to 18
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 0.9
Sulfur (S), % 0 to 0.040
0 to 0.030