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EN 1.4911 Stainless Steel vs. ASTM Grade HD Steel

Both EN 1.4911 stainless steel and ASTM grade HD steel are iron alloys. They have 77% of their average alloy composition in common. There are 31 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 EN 1.4911 stainless steel and the bottom bar is ASTM grade HD steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
9.1
Fatigue Strength, MPa 530
140
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 1070
590
Tensile Strength: Yield (Proof), MPa 970
270

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 430
460
Maximum Temperature: Mechanical, °C 700
1100
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 20
16
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 20
17
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.4
3.1
Embodied Energy, MJ/kg 49
45
Embodied Water, L/kg 130
180

Common Calculations

PREN (Pitting Resistance) 14
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
44
Resilience: Unit (Modulus of Resilience), kJ/m3 2410
180
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 38
21
Strength to Weight: Bending, points 30
20
Thermal Diffusivity, mm2/s 5.4
4.3
Thermal Shock Resistance, points 37
19

Alloy Composition

Boron (B), % 0.0050 to 0.015
0
Carbon (C), % 0.050 to 0.12
0 to 0.5
Chromium (Cr), % 9.8 to 11.2
26 to 30
Cobalt (Co), % 5.0 to 7.0
0
Iron (Fe), % 75.7 to 83.8
58.4 to 70
Manganese (Mn), % 0.3 to 1.3
0 to 1.5
Molybdenum (Mo), % 0.5 to 1.0
0 to 0.5
Nickel (Ni), % 0.2 to 1.2
4.0 to 7.0
Niobium (Nb), % 0.2 to 0.5
0
Nitrogen (N), % 0 to 0.035
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.1 to 0.8
0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.040
Tungsten (W), % 0 to 0.7
0
Vanadium (V), % 0.1 to 0.4
0