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S30435 Stainless Steel vs. S30415 Stainless Steel

Both S30435 stainless steel and S30415 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 S30435 stainless steel and the bottom bar is S30415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 51
45
Fatigue Strength, MPa 170
300
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 77
84
Shear Modulus, GPa 76
77
Shear Strength, MPa 370
470
Tensile Strength: Ultimate (UTS), MPa 510
670
Tensile Strength: Yield (Proof), MPa 170
330

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 900
940
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
21
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 14
15
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.9
3.1
Embodied Energy, MJ/kg 40
43
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 17
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
250
Resilience: Unit (Modulus of Resilience), kJ/m3 77
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
24
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 4.2
5.6
Thermal Shock Resistance, points 12
15

Alloy Composition

Carbon (C), % 0 to 0.080
0.040 to 0.060
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 16 to 18
18 to 19
Copper (Cu), % 1.5 to 3.0
0
Iron (Fe), % 66.9 to 75.5
67.8 to 71.8
Manganese (Mn), % 0 to 2.0
0 to 0.8
Nickel (Ni), % 7.0 to 9.0
9.0 to 10
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030