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AISI 430 Stainless Steel vs. ASTM A356 Grade 5

Both AISI 430 stainless steel and ASTM A356 grade 5 are iron alloys. They have 83% 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 A356 grade 5.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 24
25
Fatigue Strength, MPa 180
230
Poisson's Ratio 0.28
0.29
Reduction in Area, % 51
39
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 500
550
Tensile Strength: Yield (Proof), MPa 260
310

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 870
420
Melting Completion (Liquidus), °C 1510
1470
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
49
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
2.6
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.1
1.5
Embodied Energy, MJ/kg 30
20
Embodied Water, L/kg 120
49

Common Calculations

PREN (Pitting Resistance) 17
2.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
120
Resilience: Unit (Modulus of Resilience), kJ/m3 170
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 6.7
13
Thermal Shock Resistance, points 18
16

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.25
Chromium (Cr), % 16 to 18
0.4 to 0.7
Iron (Fe), % 79.1 to 84
97.1 to 99.2
Manganese (Mn), % 0 to 1.0
0 to 0.7
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030