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309 Stainless Steel Pipe

309 Stainless Steel Pipe

Grade 309 are austenitic chromium-nickel stainless steels, which are often used for high temperature applications. Due to their high chromium and nickel content, Grade 309 pipes are highly corrosion resistant, and have outstanding resistance to oxidation. In addition, they exhibit excellent heat resistance while providing good strength at ambient or elevated temperatures.

   

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🔵 Description:

 

Grade 309 are austenitic chromium-nickel stainless steels, which are often used for high temperature applications. Due to their high chromium and nickel content, Grade 309 pipes are highly corrosion resistant, and have outstanding resistance to oxidation. In addition, they exhibit excellent heat resistance while providing good strength at ambient or elevated temperatures.

 

 

🔵 Specifications:

 

Product Name

309 Stainless Steel Pipe

Dimensions

ASTM, ASME and API

SS 309 Tubes Size

10.29 OD (mm) – 762 OD (mm)

Thickness

0.35 OD (mm) to 6.35 OD (mm) in thickness ranging from 0.1mm to 1.2mm.

Schedule

SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS

Type

Seamless / ERW / Welded / Fabricated

Form

Round Tubes, Custom Tubes, Square Tubes, Rectangular Tubes, “U” Shape, Hydraulic Tubes

Length

Single Random, Double Random & Cut Length.

End

Plain End, Beveled End, Treaded

 

Equivalent Grades of SS309 Pipe:

STANDARD

WERKSTOFF NR.

UNS

SS 309

1.4828

S30900

 

Chemical Composition of 309 Stainless Steel Tubes:

Grade

C

Ni

Si

S

Mn

P

Cr

Mo

SS 309

0.20 max

12.0 – 15.0

0.75 max

0.03 max

2.00 max

0.045 max

22.0 – 24.0

 

Mechanical Properties of Stainless Steel 309 Tubes:

Grade

Density

Melting Point

Tensile Strength

Yield Strength (0.2%Offset)

Elongation

SS 309

8.0 g/cm3

1455°C (2650°F)

Psi – 89900 , MPa – 620

Psi – 45000 , MPa – 310

45 %

 

🔵 Applications:

 

Stainless steel 309 is commonly used in heating elements, auto exhaust elements, boiler baffles, heat exchangers, refineries, and chemical processing in maritime industries, desalination plants, fertilizer facilities, and other industries. 

 

 

🔵 SS 309 Tubes Value Added Services:

 

Material Testing:

▪Mechanical Testing Such as Tensile of Area

▪Hardness Test

▪Chemical Analysis – Spectro Analysis

▪Positive Material Identification – PMI Testing

▪Flattening Test

▪Micro and MacroTest

▪Pitting Resistance Test

▪Flaring Test

▪Intergranular Corrosion (IGC) Test

 

 

🔵 Product Packing:

 

 

🔵 FAQ:

 

1.Q: How long can make delivery?

A: For stock products, will make shipments in 5- 7 days after receiving deposit; for products need new production for common materials, usually make shipments in 10-15 days; for products need new production for special and rare materials, usually need 20-30 days to make shipment.

 

2.Q:Can I visit your factory?

A: Sure,welcome to you visit our factory at any time.

 

3.Q:Where are you?

A: Anyang in Henan Province.

 

4.Q: What certifications do your products have?

A: We have ISO 9001,BV, SGS, CE, TUV and other certifications.

 

5.Q:What are your terms of payment?

A:30% T/T deposit in advance, 70% T/T balance within 5 days after B/L copy, 100%.Irrevocable L/C at sight, 100% Irrevocable L/C after receive B/L 30-120 days, O/A.

 

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