MakeItFrom.com
Menu (ESC)

S35000 Stainless Steel vs. S21640 Stainless Steel

Both S35000 stainless steel and S21640 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 (2, in this case) are not shown.

For each property being compared, the top bar is S35000 stainless steel and the bottom bar is S21640 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 2.3 to 14
46
Fatigue Strength, MPa 380 to 520
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Shear Strength, MPa 740 to 950
520
Tensile Strength: Ultimate (UTS), MPa 1300 to 1570
740
Tensile Strength: Yield (Proof), MPa 660 to 1160
350

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
490
Maximum Temperature: Mechanical, °C 900
940
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1410
1380
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 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 14
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.2
3.6
Embodied Energy, MJ/kg 44
51
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 28
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 28 to 170
280
Resilience: Unit (Modulus of Resilience), kJ/m3 1070 to 3360
300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 46 to 56
27
Strength to Weight: Bending, points 34 to 38
23
Thermal Diffusivity, mm2/s 4.4
4.0
Thermal Shock Resistance, points 42 to 51
16

Alloy Composition

Carbon (C), % 0.070 to 0.11
0 to 0.080
Chromium (Cr), % 16 to 17
17.5 to 19.5
Iron (Fe), % 72.7 to 76.9
63 to 74.3
Manganese (Mn), % 0.5 to 1.3
3.5 to 6.5
Molybdenum (Mo), % 2.5 to 3.2
0.5 to 2.0
Nickel (Ni), % 4.0 to 5.0
4.0 to 6.5
Niobium (Nb), % 0
0.1 to 1.0
Nitrogen (N), % 0.070 to 0.13
0.080 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030