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S35125 Stainless Steel vs. N08020 Stainless Steel

Both S35125 stainless steel and N08020 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is S35125 stainless steel and the bottom bar is N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
15 to 34
Fatigue Strength, MPa 200
210 to 240
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 370
380 to 410
Tensile Strength: Ultimate (UTS), MPa 540
610 to 620
Tensile Strength: Yield (Proof), MPa 230
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 490
490
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 12
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 36
38
Density, g/cm3 8.1
8.2
Embodied Carbon, kg CO2/kg material 6.4
6.6
Embodied Energy, MJ/kg 89
92
Embodied Water, L/kg 210
220

Common Calculations

PREN (Pitting Resistance) 30
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
83 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 140
180 to 440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 3.1
3.2
Thermal Shock Resistance, points 12
15

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.070
Chromium (Cr), % 20 to 23
19 to 21
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 36.2 to 45.8
29.9 to 44
Manganese (Mn), % 1.0 to 1.5
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
2.0 to 3.0
Nickel (Ni), % 31 to 35
32 to 38
Niobium (Nb), % 0.25 to 0.6
0 to 1.0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.035