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S35000 Stainless Steel vs. AISI 439 Stainless Steel

Both S35000 stainless steel and AISI 439 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S35000 stainless steel and the bottom bar is AISI 439 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 2.3 to 14
23
Fatigue Strength, MPa 380 to 520
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 740 to 950
310
Tensile Strength: Ultimate (UTS), MPa 1300 to 1570
490
Tensile Strength: Yield (Proof), MPa 660 to 1160
250

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
530
Maximum Temperature: Mechanical, °C 900
890
Melting Completion (Liquidus), °C 1460
1510
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
25
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 14
9.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.2
2.3
Embodied Energy, MJ/kg 44
34
Embodied Water, L/kg 130
120

Common Calculations

PREN (Pitting Resistance) 28
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 28 to 170
95
Resilience: Unit (Modulus of Resilience), kJ/m3 1070 to 3360
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 46 to 56
18
Strength to Weight: Bending, points 34 to 38
18
Thermal Diffusivity, mm2/s 4.4
6.7
Thermal Shock Resistance, points 42 to 51
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Carbon (C), % 0.070 to 0.11
0 to 0.030
Chromium (Cr), % 16 to 17
17 to 19
Iron (Fe), % 72.7 to 76.9
77.1 to 82.8
Manganese (Mn), % 0.5 to 1.3
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.2
0
Nickel (Ni), % 4.0 to 5.0
0 to 0.5
Nitrogen (N), % 0.070 to 0.13
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.1