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S30415 Stainless Steel vs. S35315 Stainless Steel

Both S30415 stainless steel and S35315 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 67% of their average alloy composition in common.

For each property being compared, the top bar is S30415 stainless steel and the bottom bar is S35315 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
46
Fatigue Strength, MPa 300
280
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 84
82
Shear Modulus, GPa 77
78
Shear Strength, MPa 470
520
Tensile Strength: Ultimate (UTS), MPa 670
740
Tensile Strength: Yield (Proof), MPa 330
300

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1410
1370
Melting Onset (Solidus), °C 1370
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 21
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 15
34
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.1
5.7
Embodied Energy, MJ/kg 43
81
Embodied Water, L/kg 140
220

Common Calculations

PREN (Pitting Resistance) 21
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
270
Resilience: Unit (Modulus of Resilience), kJ/m3 280
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 5.6
3.1
Thermal Shock Resistance, points 15
17

Alloy Composition

Carbon (C), % 0.040 to 0.060
0.040 to 0.080
Cerium (Ce), % 0.030 to 0.080
0.030 to 0.1
Chromium (Cr), % 18 to 19
24 to 26
Iron (Fe), % 67.8 to 71.8
33.6 to 40.6
Manganese (Mn), % 0 to 0.8
0 to 2.0
Nickel (Ni), % 9.0 to 10
34 to 36
Nitrogen (N), % 0.12 to 0.18
0.12 to 0.18
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 1.0 to 2.0
1.2 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030