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AISI 314 Stainless Steel vs. S30600 Stainless Steel

Both AISI 314 stainless steel and S30600 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 87% of their average alloy composition in common.

For each property being compared, the top bar is AISI 314 stainless steel and the bottom bar is S30600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
45
Fatigue Strength, MPa 210
250
Poisson's Ratio 0.28
0.28
Reduction in Area, % 57
56
Shear Modulus, GPa 78
76
Shear Strength, MPa 410
430
Tensile Strength: Ultimate (UTS), MPa 590
610
Tensile Strength: Yield (Proof), MPa 230
270

Thermal Properties

Latent Heat of Fusion, J/g 330
350
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1100
950
Melting Completion (Liquidus), °C 1380
1380
Melting Onset (Solidus), °C 1340
1330
Specific Heat Capacity, J/kg-K 490
490
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 25
19
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 4.3
3.6
Embodied Energy, MJ/kg 62
51
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 25
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
220
Resilience: Unit (Modulus of Resilience), kJ/m3 130
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 3.9
3.7
Thermal Shock Resistance, points 14
14

Alloy Composition

Carbon (C), % 0 to 0.25
0 to 0.018
Chromium (Cr), % 23 to 26
17 to 18.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 46.7 to 56.5
58.9 to 65.3
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 19 to 22
14 to 15.5
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 1.5 to 3.0
3.7 to 4.3
Sulfur (S), % 0 to 0.030
0 to 0.020