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SAE-AISI H21 Steel vs. EN 1.7367 Steel

Both SAE-AISI H21 steel and EN 1.7367 steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H21 steel and the bottom bar is EN 1.7367 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 720 to 1790
670

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1630
1460
Melting Onset (Solidus), °C 1580
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 27
26
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 23
7.0
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 4.5
2.6
Embodied Energy, MJ/kg 68
37
Embodied Water, L/kg 72
88

Common Calculations

PREN (Pitting Resistance) 19
13
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 23 to 58
24
Strength to Weight: Bending, points 21 to 38
22
Thermal Diffusivity, mm2/s 7.1
6.9
Thermal Shock Resistance, points 24 to 59
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Carbon (C), % 0.28 to 0.36
0.080 to 0.12
Chromium (Cr), % 3.0 to 3.8
8.0 to 9.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 87.6 to 93.8
87.3 to 90.3
Manganese (Mn), % 0.15 to 0.4
0.3 to 0.6
Molybdenum (Mo), % 0
0.85 to 1.1
Nickel (Ni), % 0 to 0.3
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.5
0.2 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 8.5 to 10
0
Vanadium (V), % 0.3 to 0.6
0.18 to 0.25
Zirconium (Zr), % 0
0 to 0.010