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S42035 Stainless Steel vs. N08904 Stainless Steel

Both S42035 stainless steel and N08904 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 64% of their average alloy composition in common.

For each property being compared, the top bar is S42035 stainless steel and the bottom bar is N08904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 18
38
Fatigue Strength, MPa 260
200
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 76
77
Shear Modulus, GPa 77
79
Shear Strength, MPa 390
370
Tensile Strength: Ultimate (UTS), MPa 630
540
Tensile Strength: Yield (Proof), MPa 430
240

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 470
430
Maximum Temperature: Mechanical, °C 810
1100
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
12
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
32
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.4
5.8
Embodied Energy, MJ/kg 34
79
Embodied Water, L/kg 110
200

Common Calculations

PREN (Pitting Resistance) 17
37
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
170
Resilience: Unit (Modulus of Resilience), kJ/m3 460
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
19
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 7.2
3.1
Thermal Shock Resistance, points 22
12

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.020
Chromium (Cr), % 13.5 to 15.5
19 to 23
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 78.1 to 85
38.8 to 53
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.2 to 1.2
4.0 to 5.0
Nickel (Ni), % 1.0 to 2.5
23 to 28
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.035
Titanium (Ti), % 0.3 to 0.5
0