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S21460 Stainless Steel vs. AISI 348 Stainless Steel

Both S21460 stainless steel and AISI 348 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 85% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S21460 stainless steel and the bottom bar is AISI 348 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
41
Fatigue Strength, MPa 390
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 580
400
Tensile Strength: Ultimate (UTS), MPa 830
580
Tensile Strength: Yield (Proof), MPa 430
230

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
480
Maximum Temperature: Mechanical, °C 920
940
Melting Completion (Liquidus), °C 1380
1430
Melting Onset (Solidus), °C 1330
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 18
16

Otherwise Unclassified Properties

Base Metal Price, % relative 14
19
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.7
Embodied Energy, MJ/kg 43
54
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 25
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
190
Resilience: Unit (Modulus of Resilience), kJ/m3 460
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
21
Strength to Weight: Bending, points 26
20
Thermal Shock Resistance, points 17
13

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.080
Chromium (Cr), % 17 to 19
17 to 19
Cobalt (Co), % 0
0 to 0.2
Iron (Fe), % 57.3 to 63.7
63.8 to 74
Manganese (Mn), % 14 to 16
0 to 2.0
Nickel (Ni), % 5.0 to 6.0
9.0 to 13
Niobium (Nb), % 0
0 to 1.0
Nitrogen (N), % 0.35 to 0.5
0
Phosphorus (P), % 0 to 0.060
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Tantalum (Ta), % 0
0 to 0.1