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AISI 205 Stainless Steel vs. AISI 348 Stainless Steel

Both AISI 205 stainless steel and AISI 348 stainless steel are iron alloys. They have 86% 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 AISI 205 stainless steel and the bottom bar is AISI 348 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 440
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 51
41
Fatigue Strength, MPa 410 to 640
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 560 to 850
400
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
580
Tensile Strength: Yield (Proof), MPa 450 to 1100
230

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
480
Maximum Temperature: Mechanical, °C 880
940
Melting Completion (Liquidus), °C 1380
1430
Melting Onset (Solidus), °C 1340
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 18
16

Otherwise Unclassified Properties

Base Metal Price, % relative 11
19
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.7
Embodied Energy, MJ/kg 37
54
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 23
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 430
190
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 3060
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 29 to 52
21
Strength to Weight: Bending, points 25 to 37
20
Thermal Shock Resistance, points 16 to 29
13

Alloy Composition

Carbon (C), % 0.12 to 0.25
0 to 0.080
Chromium (Cr), % 16.5 to 18.5
17 to 19
Cobalt (Co), % 0
0 to 0.2
Iron (Fe), % 62.6 to 68.1
63.8 to 74
Manganese (Mn), % 14 to 15.5
0 to 2.0
Nickel (Ni), % 1.0 to 1.7
9.0 to 13
Niobium (Nb), % 0
0 to 1.0
Nitrogen (N), % 0.32 to 0.4
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