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S30435 Stainless Steel vs. S35140 Stainless Steel

Both S30435 stainless steel and S35140 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 75% of their average alloy composition in common.

For each property being compared, the top bar is S30435 stainless steel and the bottom bar is S35140 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 51
34
Fatigue Strength, MPa 170
250
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 77
88
Shear Modulus, GPa 76
78
Shear Strength, MPa 370
460
Tensile Strength: Ultimate (UTS), MPa 510
690
Tensile Strength: Yield (Proof), MPa 170
310

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
500
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 14
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.9
5.5
Embodied Energy, MJ/kg 40
78
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 17
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
190
Resilience: Unit (Modulus of Resilience), kJ/m3 77
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
24
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 4.2
3.7
Thermal Shock Resistance, points 12
16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 16 to 18
20 to 22
Copper (Cu), % 1.5 to 3.0
0
Iron (Fe), % 66.9 to 75.5
44.1 to 52.7
Manganese (Mn), % 0 to 2.0
1.0 to 3.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 7.0 to 9.0
25 to 27
Niobium (Nb), % 0
0.25 to 0.75
Nitrogen (N), % 0
0.080 to 0.2
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