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S20432 Stainless Steel vs. S30435 Stainless Steel

Both S20432 stainless steel and S30435 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a very high 96% of their average alloy composition in common.

For each property being compared, the top bar is S20432 stainless steel and the bottom bar is S30435 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
51
Fatigue Strength, MPa 210
170
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 81
77
Shear Modulus, GPa 76
76
Shear Strength, MPa 400
370
Tensile Strength: Ultimate (UTS), MPa 580
510
Tensile Strength: Yield (Proof), MPa 230
170

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 900
900
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 17
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
14
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 38
40
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 20
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
210
Resilience: Unit (Modulus of Resilience), kJ/m3 140
77
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
18
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 4.0
4.2
Thermal Shock Resistance, points 13
12

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 17 to 18
16 to 18
Copper (Cu), % 2.0 to 3.0
1.5 to 3.0
Iron (Fe), % 66.7 to 74
66.9 to 75.5
Manganese (Mn), % 3.0 to 5.0
0 to 2.0
Nickel (Ni), % 4.0 to 6.0
7.0 to 9.0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030