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ASTM Grade HD Steel vs. EN 1.4805 Stainless Steel

Both ASTM grade HD steel and EN 1.4805 stainless steel are iron alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 80% of their average alloy composition in common. There are 29 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 1.4805 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.1
9.0
Fatigue Strength, MPa 140
130
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 590
490
Tensile Strength: Yield (Proof), MPa 270
250

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 460
420
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1410
1390
Melting Onset (Solidus), °C 1370
1350
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 17
26
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.1
4.7
Embodied Energy, MJ/kg 45
66
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 29
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
37
Resilience: Unit (Modulus of Resilience), kJ/m3 180
150
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 4.3
3.7
Thermal Shock Resistance, points 19
11

Alloy Composition

Carbon (C), % 0 to 0.5
0.2 to 0.5
Chromium (Cr), % 26 to 30
19 to 23
Iron (Fe), % 58.4 to 70
44.9 to 56.8
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 4.0 to 7.0
23 to 27
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
1.0 to 2.0
Sulfur (S), % 0 to 0.040
0 to 0.030