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ASTM Grade HP Steel vs. AWS E209

Both ASTM grade HP steel and AWS E209 are iron alloys. They have 71% of their average alloy composition in common. There are 21 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 ASTM grade HP steel and the bottom bar is AWS E209.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 5.1
17
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
79
Tensile Strength: Ultimate (UTS), MPa 490
770

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Melting Completion (Liquidus), °C 1370
1420
Melting Onset (Solidus), °C 1330
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 16
14

Otherwise Unclassified Properties

Base Metal Price, % relative 34
21
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.8
4.4
Embodied Energy, MJ/kg 82
63
Embodied Water, L/kg 220
180

Common Calculations

PREN (Pitting Resistance) 27
33
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
28
Strength to Weight: Bending, points 17
24
Thermal Shock Resistance, points 11
19

Alloy Composition

Carbon (C), % 0.35 to 0.75
0 to 0.060
Chromium (Cr), % 24 to 28
20.5 to 24
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 29.2 to 42.7
51.5 to 64.3
Manganese (Mn), % 0 to 2.0
4.0 to 7.0
Molybdenum (Mo), % 0 to 0.5
1.5 to 3.0
Nickel (Ni), % 33 to 37
9.5 to 12
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3