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S30415 Stainless Steel vs. AISI 317LN Stainless Steel

Both S30415 stainless steel and AISI 317LN stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 92% of their average alloy composition in common.

For each property being compared, the top bar is S30415 stainless steel and the bottom bar is AISI 317LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
45
Fatigue Strength, MPa 300
250
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 84
84
Shear Modulus, GPa 77
79
Shear Strength, MPa 470
430
Tensile Strength: Ultimate (UTS), MPa 670
620
Tensile Strength: Yield (Proof), MPa 330
270

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 940
1010
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 21
14
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 15
21
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.1
4.3
Embodied Energy, MJ/kg 43
59
Embodied Water, L/kg 140
160

Common Calculations

PREN (Pitting Resistance) 21
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
220
Resilience: Unit (Modulus of Resilience), kJ/m3 280
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
22
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 5.6
3.9
Thermal Shock Resistance, points 15
14

Alloy Composition

Carbon (C), % 0.040 to 0.060
0 to 0.030
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
18 to 20
Iron (Fe), % 67.8 to 71.8
57.9 to 67.9
Manganese (Mn), % 0 to 0.8
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 9.0 to 10
11 to 15
Nitrogen (N), % 0.12 to 0.18
0.1 to 0.22
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 1.0 to 2.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030