MakeItFrom.com
Menu (ESC)

S21800 Stainless Steel vs. S31060 Stainless Steel

Both S21800 stainless steel and S31060 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 89% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S21800 stainless steel and the bottom bar is S31060 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 40
46
Fatigue Strength, MPa 330
290
Poisson's Ratio 0.28
0.27
Rockwell B Hardness 88
82
Shear Modulus, GPa 75
78
Shear Strength, MPa 510
480
Tensile Strength: Ultimate (UTS), MPa 740
680
Tensile Strength: Yield (Proof), MPa 390
310

Thermal Properties

Latent Heat of Fusion, J/g 340
290
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 900
1080
Melting Completion (Liquidus), °C 1360
1420
Melting Onset (Solidus), °C 1310
1370
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 15
18
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.1
3.4
Embodied Energy, MJ/kg 45
48
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 19
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
260
Resilience: Unit (Modulus of Resilience), kJ/m3 390
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 27
24
Strength to Weight: Bending, points 24
22
Thermal Shock Resistance, points 17
15

Alloy Composition

Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0 to 0.1
0.050 to 0.1
Cerium (Ce), % 0
0 to 0.070
Chromium (Cr), % 16 to 18
22 to 24
Iron (Fe), % 59.1 to 65.4
61.4 to 67.8
Lanthanum (La), % 0
0 to 0.070
Manganese (Mn), % 7.0 to 9.0
0 to 1.0
Nickel (Ni), % 8.0 to 9.0
10 to 12.5
Nitrogen (N), % 0.080 to 0.18
0.18 to 0.25
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 3.5 to 4.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030