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ASTM Grade HH Steel vs. EN 1.4462 Stainless Steel

Both ASTM grade HH steel and EN 1.4462 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HH steel and the bottom bar is EN 1.4462 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
240
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
26
Fatigue Strength, MPa 150
370
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 580
780
Tensile Strength: Yield (Proof), MPa 270
520

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 440
430
Maximum Temperature: Mechanical, °C 1100
1060
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 20
17
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.7
3.6
Embodied Energy, MJ/kg 53
49
Embodied Water, L/kg 180
160

Common Calculations

PREN (Pitting Resistance) 27
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 53
180
Resilience: Unit (Modulus of Resilience), kJ/m3 190
670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
28
Strength to Weight: Bending, points 20
24
Thermal Diffusivity, mm2/s 3.8
4.0
Thermal Shock Resistance, points 12
21

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.030
Chromium (Cr), % 24 to 28
21 to 23
Iron (Fe), % 52.9 to 64.8
63.7 to 71.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
2.5 to 3.5
Nickel (Ni), % 11 to 14
4.5 to 6.5
Nitrogen (N), % 0
0.1 to 0.22
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015