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S21600 Stainless Steel vs. S30530 Stainless Steel

Both S21600 stainless steel and S30530 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 90% 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 S21600 stainless steel and the bottom bar is S30530 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
46
Fatigue Strength, MPa 360
210
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 86
79
Shear Modulus, GPa 79
77
Shear Strength, MPa 500
410
Tensile Strength: Ultimate (UTS), MPa 710
590
Tensile Strength: Yield (Proof), MPa 390
230

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 990
970
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 17
18
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.6
3.4
Embodied Energy, MJ/kg 50
48
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 34
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
210
Resilience: Unit (Modulus of Resilience), kJ/m3 370
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 23
20
Thermal Shock Resistance, points 15
13

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 17.5 to 22
17 to 20.5
Copper (Cu), % 0
0.75 to 3.5
Iron (Fe), % 57.6 to 67.8
58.4 to 72.5
Manganese (Mn), % 7.5 to 9.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
0.75 to 1.5
Nickel (Ni), % 5.0 to 7.0
8.5 to 11.5
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0.5 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030