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ASTM Grade HD Steel vs. EN 1.4659 Stainless Steel

Both ASTM grade HD steel and EN 1.4659 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 31 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 ASTM grade HD steel and the bottom bar is EN 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 9.1
49
Fatigue Strength, MPa 140
460
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 590
900
Tensile Strength: Yield (Proof), MPa 270
480

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 460
440
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1410
1480
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 17
37
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 3.1
6.5
Embodied Energy, MJ/kg 45
89
Embodied Water, L/kg 180
220

Common Calculations

PREN (Pitting Resistance) 29
54
Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
370
Resilience: Unit (Modulus of Resilience), kJ/m3 180
550
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 21
31
Strength to Weight: Bending, points 20
25
Thermal Diffusivity, mm2/s 4.3
3.2
Thermal Shock Resistance, points 19
19

Alloy Composition

Carbon (C), % 0 to 0.5
0 to 0.020
Chromium (Cr), % 26 to 30
23 to 25
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 58.4 to 70
35.7 to 45.7
Manganese (Mn), % 0 to 1.5
2.0 to 4.0
Molybdenum (Mo), % 0 to 0.5
5.5 to 6.5
Nickel (Ni), % 4.0 to 7.0
21 to 23
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 0.7
Sulfur (S), % 0 to 0.040
0 to 0.010
Tungsten (W), % 0
1.5 to 2.5