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EN 1.4905 Stainless Steel vs. ASTM Grade HD Steel

Both EN 1.4905 stainless steel and ASTM grade HD steel are iron alloys. They have 75% of their average alloy composition in common. There are 31 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 EN 1.4905 stainless steel and the bottom bar is ASTM grade HD steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
9.1
Fatigue Strength, MPa 330
140
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 740
590
Tensile Strength: Yield (Proof), MPa 510
270

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 380
460
Maximum Temperature: Mechanical, °C 660
1100
Melting Completion (Liquidus), °C 1480
1410
Melting Onset (Solidus), °C 1440
1370
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 26
16
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 4.2
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
17
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.1
Embodied Energy, MJ/kg 40
45
Embodied Water, L/kg 90
180

Common Calculations

PREN (Pitting Resistance) 15
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
44
Resilience: Unit (Modulus of Resilience), kJ/m3 680
180
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 26
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 7.0
4.3
Thermal Shock Resistance, points 25
19

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Boron (B), % 0.00050 to 0.0050
0
Carbon (C), % 0.090 to 0.13
0 to 0.5
Chromium (Cr), % 8.5 to 9.5
26 to 30
Iron (Fe), % 86.2 to 88.8
58.4 to 70
Manganese (Mn), % 0.3 to 0.6
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.5
Nickel (Ni), % 0.1 to 0.4
4.0 to 7.0
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.050 to 0.090
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.1 to 0.5
0 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.040
Tungsten (W), % 0.9 to 1.1
0
Vanadium (V), % 0.18 to 0.25
0