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ASTM Grade HI Steel vs. S46910 Stainless Steel

Both ASTM grade HI steel and S46910 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HI steel and the bottom bar is S46910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
270 to 630
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
2.2 to 11
Fatigue Strength, MPa 150
250 to 1020
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 550
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 450
540
Maximum Temperature: Mechanical, °C 1100
810
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 23
18
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.1
4.1
Embodied Energy, MJ/kg 59
55
Embodied Water, L/kg 200
140

Common Calculations

PREN (Pitting Resistance) 29
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
48 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 180
510 to 4780
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
24 to 86
Strength to Weight: Bending, points 19
22 to 51
Thermal Shock Resistance, points 12
23 to 84

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.5
Carbon (C), % 0.2 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), % 46.9 to 59.8
65 to 76
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
3.0 to 5.0
Nickel (Ni), % 14 to 18
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