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ASTM Grade HD Steel vs. S46910 Stainless Steel

Both ASTM grade HD steel and S46910 stainless steel are iron alloys. They have 83% 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 ASTM grade HD steel and the bottom bar is S46910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.1
2.2 to 11
Fatigue Strength, MPa 140
250 to 1020
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 590
680 to 2470
Tensile Strength: Yield (Proof), MPa 270
450 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 460
540
Maximum Temperature: Mechanical, °C 1100
810
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 17
18
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.1
4.1
Embodied Energy, MJ/kg 45
55
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 29
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
48 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 180
510 to 4780
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 21
24 to 86
Strength to Weight: Bending, points 20
22 to 51
Thermal Shock Resistance, points 19
23 to 84

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.5
Carbon (C), % 0 to 0.5
0 to 0.030
Chromium (Cr), % 26 to 30
11 to 13
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 58.4 to 70
65 to 76
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
3.0 to 5.0
Nickel (Ni), % 4.0 to 7.0
8.0 to 10
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 0.015
Titanium (Ti), % 0
0.5 to 1.2