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AISI 429 Stainless Steel vs. S30435 Stainless Steel

Both AISI 429 stainless steel and S30435 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 87% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AISI 429 stainless steel and the bottom bar is S30435 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
51
Fatigue Strength, MPa 180
170
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 78
77
Shear Modulus, GPa 77
76
Shear Strength, MPa 300
370
Tensile Strength: Ultimate (UTS), MPa 480
510
Tensile Strength: Yield (Proof), MPa 260
170

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 400
410
Maximum Temperature: Mechanical, °C 810
900
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 26
16
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
14
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
2.9
Embodied Energy, MJ/kg 28
40
Embodied Water, L/kg 110
140

Common Calculations

PREN (Pitting Resistance) 15
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
210
Resilience: Unit (Modulus of Resilience), kJ/m3 170
77
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
18
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 6.9
4.2
Thermal Shock Resistance, points 17
12

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.080
Chromium (Cr), % 14 to 16
16 to 18
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 81.8 to 86
66.9 to 75.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 0
7.0 to 9.0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030