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S30600 Stainless Steel vs. AISI 303Se Stainless Steel

Both S30600 stainless steel and AISI 303Se stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 90% of their average alloy composition in common.

For each property being compared, the top bar is S30600 stainless steel and the bottom bar is AISI 303Se stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 45
45
Fatigue Strength, MPa 250
210
Poisson's Ratio 0.28
0.28
Reduction in Area, % 56
57
Shear Modulus, GPa 76
77
Shear Strength, MPa 430
410
Tensile Strength: Ultimate (UTS), MPa 610
590
Tensile Strength: Yield (Proof), MPa 270
230

Thermal Properties

Latent Heat of Fusion, J/g 350
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 950
930
Melting Completion (Liquidus), °C 1380
1420
Melting Onset (Solidus), °C 1330
1380
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 14
16
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 19
16
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.6
3.0
Embodied Energy, MJ/kg 51
42
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 18
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
210
Resilience: Unit (Modulus of Resilience), kJ/m3 190
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 3.7
4.3
Thermal Shock Resistance, points 14
13

Alloy Composition

Carbon (C), % 0 to 0.018
0 to 0.15
Chromium (Cr), % 17 to 18.5
17 to 19
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 58.9 to 65.3
67.2 to 74.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.2
0
Nickel (Ni), % 14 to 15.5
8.0 to 10
Phosphorus (P), % 0 to 0.020
0 to 0.2
Selenium (Se), % 0
0.15 to 0.35
Silicon (Si), % 3.7 to 4.3
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.060