MakeItFrom.com
Menu (ESC)

S81921 Stainless Steel vs. S35000 Stainless Steel

Both S81921 stainless steel and S35000 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S81921 stainless steel and the bottom bar is S35000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
2.3 to 14
Fatigue Strength, MPa 370
380 to 520
Poisson's Ratio 0.28
0.28
Rockwell C Hardness 27
26 to 37
Shear Modulus, GPa 79
78
Shear Strength, MPa 460
740 to 950
Tensile Strength: Ultimate (UTS), MPa 710
1300 to 1570
Tensile Strength: Yield (Proof), MPa 500
660 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 990
900
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 14
14
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
3.2
Embodied Energy, MJ/kg 41
44
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 28
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
28 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 630
1070 to 3360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
46 to 56
Strength to Weight: Bending, points 23
34 to 38
Thermal Diffusivity, mm2/s 4.0
4.4
Thermal Shock Resistance, points 20
42 to 51

Alloy Composition

Carbon (C), % 0 to 0.030
0.070 to 0.11
Chromium (Cr), % 19 to 22
16 to 17
Iron (Fe), % 66.7 to 75.9
72.7 to 76.9
Manganese (Mn), % 2.0 to 4.0
0.5 to 1.3
Molybdenum (Mo), % 1.0 to 2.0
2.5 to 3.2
Nickel (Ni), % 2.0 to 4.0
4.0 to 5.0
Nitrogen (N), % 0.14 to 0.2
0.070 to 0.13
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030