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SAE-AISI H21 Steel vs. AWS E2595

Both SAE-AISI H21 steel and AWS E2595 are iron alloys. They have 63% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H21 steel and the bottom bar is AWS E2595.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 720 to 1790
850

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1630
1450
Melting Onset (Solidus), °C 1580
1400
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 27
16
Thermal Expansion, µm/m-K 11
14

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 4.5
4.4
Embodied Energy, MJ/kg 68
61
Embodied Water, L/kg 72
190

Common Calculations

PREN (Pitting Resistance) 19
42
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 23 to 58
30
Strength to Weight: Bending, points 21 to 38
25
Thermal Diffusivity, mm2/s 7.1
4.2
Thermal Shock Resistance, points 24 to 59
21

Alloy Composition

Carbon (C), % 0.28 to 0.36
0 to 0.040
Chromium (Cr), % 3.0 to 3.8
24 to 27
Copper (Cu), % 0 to 0.25
0.4 to 1.5
Iron (Fe), % 87.6 to 93.8
51.4 to 64.5
Manganese (Mn), % 0.15 to 0.4
0 to 2.5
Molybdenum (Mo), % 0
2.5 to 4.5
Nickel (Ni), % 0 to 0.3
8.0 to 10.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.5
0 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 8.5 to 10
0.4 to 1.0
Vanadium (V), % 0.3 to 0.6
0