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S44735 Stainless Steel vs. ASTM Grade HD Steel

Both S44735 stainless steel and ASTM grade HD steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S44735 stainless steel and the bottom bar is ASTM grade HD steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 21
9.1
Fatigue Strength, MPa 300
140
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 82
80
Tensile Strength: Ultimate (UTS), MPa 630
590
Tensile Strength: Yield (Proof), MPa 460
270

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 650
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 480
490
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 21
17
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 4.4
3.1
Embodied Energy, MJ/kg 61
45
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 42
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
44
Resilience: Unit (Modulus of Resilience), kJ/m3 520
180
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 26
26
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 21
20
Thermal Shock Resistance, points 20
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.5
Chromium (Cr), % 28 to 30
26 to 30
Iron (Fe), % 60.7 to 68.4
58.4 to 70
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 3.6 to 4.2
0 to 0.5
Nickel (Ni), % 0 to 1.0
4.0 to 7.0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Titanium (Ti), % 0.2 to 1.0
0