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AISI 430 Stainless Steel vs. ASTM Grade HI Steel

Both AISI 430 stainless steel and ASTM grade HI steel are iron alloys. They have 72% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 430 stainless steel and the bottom bar is ASTM grade HI steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 24
11
Fatigue Strength, MPa 180
150
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 500
550
Tensile Strength: Yield (Proof), MPa 260
270

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 870
1100
Melting Completion (Liquidus), °C 1510
1400
Melting Onset (Solidus), °C 1430
1350
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
23
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.1
4.1
Embodied Energy, MJ/kg 30
59
Embodied Water, L/kg 120
200

Common Calculations

PREN (Pitting Resistance) 17
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
52
Resilience: Unit (Modulus of Resilience), kJ/m3 170
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 6.7
3.9
Thermal Shock Resistance, points 18
12

Alloy Composition

Carbon (C), % 0 to 0.12
0.2 to 0.5
Chromium (Cr), % 16 to 18
26 to 30
Iron (Fe), % 79.1 to 84
46.9 to 59.8
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.75
14 to 18
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