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S28200 Stainless Steel vs. AISI 302B Stainless Steel

Both S28200 stainless steel and AISI 302B stainless steel are iron alloys. Both are furnished in the annealed condition. They have 81% 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 S28200 stainless steel and the bottom bar is AISI 302B stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
45
Fatigue Strength, MPa 430
210
Poisson's Ratio 0.28
0.28
Reduction in Area, % 57
57
Shear Modulus, GPa 77
76
Shear Strength, MPa 610
410
Tensile Strength: Ultimate (UTS), MPa 870
580
Tensile Strength: Yield (Proof), MPa 460
230

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 900
930
Melting Completion (Liquidus), °C 1380
1400
Melting Onset (Solidus), °C 1330
1360
Specific Heat Capacity, J/kg-K 480
490
Thermal Expansion, µm/m-K 18
16

Otherwise Unclassified Properties

Base Metal Price, % relative 12
15
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 41
43
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 29
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
210
Resilience: Unit (Modulus of Resilience), kJ/m3 540
140
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 32
21
Strength to Weight: Bending, points 27
20
Thermal Shock Resistance, points 17
13

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.15
Chromium (Cr), % 17 to 19
17 to 19
Copper (Cu), % 0.75 to 1.3
0
Iron (Fe), % 57.7 to 64.1
65.7 to 73
Manganese (Mn), % 17 to 19
0 to 2.0
Molybdenum (Mo), % 0.75 to 1.3
0
Nickel (Ni), % 0
8.0 to 10
Nitrogen (N), % 0.4 to 0.6
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
2.0 to 3.0
Sulfur (S), % 0 to 0.030
0 to 0.030