MakeItFrom.com
Menu (ESC)

S35500 Stainless Steel vs. S20431 Stainless Steel

Both S35500 stainless steel and S20431 stainless steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S35500 stainless steel and the bottom bar is S20431 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14
46
Fatigue Strength, MPa 690 to 730
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 810 to 910
500
Tensile Strength: Ultimate (UTS), MPa 1330 to 1490
710
Tensile Strength: Yield (Proof), MPa 1200 to 1280
350

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 870
890
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 16
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.5
2.5
Embodied Energy, MJ/kg 47
36
Embodied Water, L/kg 130
140

Common Calculations

PREN (Pitting Resistance) 27
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
270
Resilience: Unit (Modulus of Resilience), kJ/m3 3610 to 4100
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 47 to 53
25
Strength to Weight: Bending, points 34 to 37
23
Thermal Diffusivity, mm2/s 4.4
4.0
Thermal Shock Resistance, points 44 to 49
15

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.12
Chromium (Cr), % 15 to 16
17 to 18
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 73.2 to 77.7
66.1 to 74.4
Manganese (Mn), % 0.5 to 1.3
5.0 to 7.0
Molybdenum (Mo), % 2.5 to 3.2
0
Nickel (Ni), % 4.0 to 5.0
2.0 to 4.0
Niobium (Nb), % 0.1 to 0.5
0
Nitrogen (N), % 0.070 to 0.13
0.1 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030