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S30435 Stainless Steel vs. AISI 309 Stainless Steel

Both S30435 stainless steel and AISI 309 stainless steel are iron alloys. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is S30435 stainless steel and the bottom bar is AISI 309 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 51
34 to 47
Fatigue Strength, MPa 170
250 to 280
Poisson's Ratio 0.28
0.27
Rockwell B Hardness 77
84
Shear Modulus, GPa 76
78
Shear Strength, MPa 370
420 to 470
Tensile Strength: Ultimate (UTS), MPa 510
600 to 710
Tensile Strength: Yield (Proof), MPa 170
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 900
980
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 14
19
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
3.6
Embodied Energy, MJ/kg 40
51
Embodied Water, L/kg 140
170

Common Calculations

PREN (Pitting Resistance) 17
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
200 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 77
170 to 310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
21 to 25
Strength to Weight: Bending, points 18
20 to 23
Thermal Diffusivity, mm2/s 4.2
4.3
Thermal Shock Resistance, points 12
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.2
Chromium (Cr), % 16 to 18
22 to 24
Copper (Cu), % 1.5 to 3.0
0
Iron (Fe), % 66.9 to 75.5
58 to 66
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 7.0 to 9.0
12 to 15
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030