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ASTM Grade HH Steel vs. EN 1.4872 Stainless Steel

Both ASTM grade HH steel and EN 1.4872 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, 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 1.4872 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
28
Fatigue Strength, MPa 150
410
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
79
Tensile Strength: Ultimate (UTS), MPa 580
950
Tensile Strength: Yield (Proof), MPa 270
560

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 440
440
Maximum Temperature: Mechanical, °C 1100
1150
Melting Completion (Liquidus), °C 1400
1390
Melting Onset (Solidus), °C 1360
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 20
17
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 3.7
3.3
Embodied Energy, MJ/kg 53
47
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 27
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 53
230
Resilience: Unit (Modulus of Resilience), kJ/m3 190
780
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 21
35
Strength to Weight: Bending, points 20
28
Thermal Diffusivity, mm2/s 3.8
3.9
Thermal Shock Resistance, points 12
21

Alloy Composition

Carbon (C), % 0.2 to 0.5
0.2 to 0.3
Chromium (Cr), % 24 to 28
24 to 26
Iron (Fe), % 52.9 to 64.8
54.2 to 61.6
Manganese (Mn), % 0 to 2.0
8.0 to 10
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 11 to 14
6.0 to 8.0
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015