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Grade: AISI 316
Formula: Fe/Cr 18/Ni10/Mo 3
Form: Tube
Material: Stainless Steel
Commodity: Alloys
AISI 316 Stainless Steel Tube is a molybdenum-bearing austenitic stainless steel tube prized for its exceptional corrosion resistance, good high-temperature strength, and superior resistance to pitting and crevice corrosion in chloride environments. Its alloy composition enhances durability in aggressive chemical and marine atmospheres, making it suitable for critical applications. In tube form, it is extensively used in marine engineering, chemical processing, and pharmaceutical manufacturing. Specific uses include heat exchanger tubing, offshore fluid transport lines, and sterile process piping. In research, AISI 316 tubes are studied for microbiologically induced corrosion, advanced coatings for steam oxidation resistance, and mechanical behavior under extreme service conditions. This combination of corrosion performance, structural integrity, and adaptability positions AISI 316 stainless steel tube as a key material for industrial sectors demanding long service life in harsh environments.
Tolerances
Tube
| Outside Diameter | =<2mm | ±0.05mm |
|---|---|---|
| Outside Diameter | 2mm - 5mm | ±0.1mm |
| Outside Diameter | >5mm | ±5% |
| Wall Thickness | ±10% |
Material Properties for Alloys
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Brinell | 160-190 |
| Elongation at break( % ) | <60 |
| Modulus of elasticity( GPa ) | 190-210 |
| Izod impact strength( J m⁻¹ ) | 20-136 |
| Tensile strength( MPa ) | 460-860 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 70-78 |
| Temperature coefficient( K⁻¹ ) | - |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 1370-1400 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 502@23°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 16.3@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 16-18@20-100°C |
Physical Properties
| Element | Value |
|---|---|
| Density( gcm⁻³ ) | 7.96 |
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Yttria-stabilized Zirconia Tube Formula: ZrO₂/Y₂O₃
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Super Duplex Stainless Steel Rod Formula: Fe/Cr25/Ni 7/Mo 4
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Tungsten/Copper Alloy Tube (W80/Cu20) Formula: W 80/Cu20
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Zirconium Tube Formula: Zr
Percentage Purity: 99.2%
Outside Diameter: 6.35mm
Wall Thickness: 0.9mm
Inside Diameter: 4.55mm
Length: 200mm
Temper: Annealed
CAS Number: 7440-67-7
UOM Code: 032-374-21
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