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Heat Resistant 309S Seamless Stainless Steel Pipe Tube for Boiler Parts DN5 - DN300

Categories Stainless Steel Pipe
Brand Name: DELTA
Model Number: 304 304L 316L 316LN 316Ti 317L 321 310S 309S 347 2205 2507 904L 254SMO S32760 410S.etc
Certification: ISO
Place of Origin: China
MOQ: 500 kgs
Price: 4000-5000 USD/Ton
Payment Terms: T/T, Western Union, L/C
Supply Ability: 10 Ton per week
Delivery Time: 5 - 12 days based on the quantity
Packaging Details: standard packing for export
Products: Stainless Steel Pipe
Grade: 304 304L 410s 316L 316Ti 316ln 321 317L 2205 S32760 254smo 2507 310S 347 904L.etc
Standard: ASTM GB EN
Length: 6m or custom cutting any length as request
Diameter: DN10 - DN400
Wall thickness: SCH10 - XXS or unstandard size
Type: seamless pipe
Service: cutting, polishing
application: Heat exchanger
Packing: wooden box or PP bag
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Heat Resistant 309S Seamless Stainless Steel Pipe Tube for Boiler Parts DN5 - DN300

Heat Resistant 309S Seamless Stainless Steel Pipe Tube for Boiler Parts DN5 - DN300


Specification of our stainless steel pipe


Products NameStainless Steel pIpe
DiameterDN6 - DN500
Wall ThicknessSCH10S - XXS or unstandard size as request
Length6m or cutting any length as request
StandardASTM JIS EN DIN
TechniqueHot Rolled / cold drawn
TypeSeamless Pipe / Welded Pipe
SurfaceBright Polished, Pickling
Main Grade201 304 304L 309S 310S 316L 316Ti 316LMod 317L 321 347 410 904L 254SMO 253MA 2205 2507 654SMO 926 400 c276 c22 C4 600 625 800 825.etc
MOQ500 kgs
Loading PortShanghai Port
Packingwooden box or ppbag

About 309S Seamless Stainless Steel Pipe

The Seamless 309 Stainless Steel Pipe, provided by Huaxiao stainless steel pipe suppliers, is a standout choice for a wide range of industries, thanks to its exceptional features. This long steel pipe boasts hollow sections without any connections around it, ensuring its structural integrity and durability. Crafted from high-quality stainless acid-resistant steel with rich chromium and nickel content, it offers remarkable corrosion resistance and longevity, making it a reliable choice for demanding applications. Notably, this pipe excels in high-temperature performance, with the ability to withstand extreme heat, repeated heating below 980°C, and corrosive substances. Its mechanical qualities, including robust tensile strength, bending resistance, and impact toughness, make it ideal for high-pressure and heavy-load scenarios. Additionally, the 309 stainless steel seamless pipe is highly versatile for processing, allowing for ease of forming, welding, and machining. Its exceptional resistance to corrosion, impact, abrasion, and wear ensures a long service life, leading to cost savings over time. Innovative snap connections eliminate the need for threads, enabling the use of thin-walled pipes and resource conservation. In summary, the Seamless 309 Stainless Steel Pipe is a versatile and robust solution for industries that require top-tier corrosion resistance, high-temperature performance, and cost-efficient design. It excels in challenging applications and offers exceptional longevity, making it a valuable choice for various industrial needs.

Chemical Composition Of Seamless 309 Stainless Steel Pipe

ElementPercentage Composition
Chromium (Cr)22.0 – 24.0%
Nickel (Ni)12.0 – 15.0%
Carbon (C)≤ 0.20%
Manganese (Mn)≤ 2.00%
Silicon (Si)≤ 1.00%
Phosphorus (P)≤ 0.045%
Sulfur (S)≤ 0.030%

Physical Property Of 309 Stainless Steel Seamless Pipe

PropertyValue
Density7.89 g/cm³
Melting Point1398 – 1454°C (2550 – 2650°F)
Specific Heat Capacity502 J/kg·K (0.12 Btu/lb·°F)
Electrical Resistivity0.78 μΩ·m
Thermal Conductivity15.6 W/(m·K)
Young’s Modulus (Elasticity)200 GPa (29,000,000 psi)
Poisson’s Ratio0.29
Magnetic SusceptibilityMagnetic at all temperatures
Coefficient of Expansion (20-100°C)16.2 μm/m·K (9.0 μin/in·°F)

Mechanical Property Of 309 Stainless Steel Seamless Pipe

PropertyValue
Tensile Strength (Ultimate)620 MPa (90,000 psi)
Tensile Strength (Yield)310 MPa (45,000 psi)
Elongation at Break45%
Modulus of Elasticity200 GPa (29,000,000 psi)
Hardness (Brinell)147 (annealed condition)
Hardness (Rockwell B)85 (annealed condition)

Application Of Seamless 309 Stainless Steel Pipe

seamless 309 stainless steel pipe in Chemical Processing, Petrochemical, and Offshore Industries

Chemical Processing, Petrochemical, And Offshore Industries


The Seamless 309 Stainless Steel Pipe plays a pivotal role in the chemical processing, petrochemical, and offshore industries. Its exceptional corrosion resistance is of paramount importance, especially in aggressive environments. This pipe demonstrates outstanding capabilities in resisting oxidation, scaling, and corrosion caused by acids, alkalis, and various industrial gases. In the chemical processing and petrochemical sectors, where exposure to corrosive substances is a constant concern, the 309 Stainless Steel Pipe is the preferred choice. Moreover, its durability and resilience make it an ideal candidate for offshore applications where it can withstand the harsh conditions of marine environments, ensuring the integrity of critical structures and systems.
309 stainless steel seamless pipe in Oil Refineries, Chemical Plants, Food Production Facilities, Paper Mills, Power Plants, Breweries, Water Treatment Facilities

Oil Refineries, Chemical Plants, Food Production Facilities, Paper Mills, Power Plants, Breweries, Water Treatment Facilitie

Seamless 309 stainless steel pipes find wide-ranging applications in oil refineries, chemical plants, food production facilities, paper mills, power plants, breweries, and water treatment facilities. These industrial settings demand materials that can endure extreme temperatures and harsh chemicals. The 309 stainless steel pipe excels in such environments, offering high-temperature corrosion and oxidation resistance. This makes it indispensable for conveying various substances, managing industrial processes, and maintaining infrastructure. Its strength and corrosion resistance contribute to the efficiency and reliability of critical systems in these industries. Whether in the extreme heat of power generation or the stringent hygiene requirements of food production, the 309 stainless steel pipe proves its mettle.
seamless 309 ss pipe in Petrochemical Processing, Power Generation, Heat Exchangers, and Boilers

Petrochemical Processing, Power Generation, Heat Exchangers, And Boilers

Seamless 309 stainless steel pipes are crucial components in applications related to petrochemical processing, power generation, heat exchangers, and boilers. With their unique composition and exceptional corrosion resistance, they are a preferred choice in industries where exposure to harsh chemicals and high temperatures is common. In petrochemical processing, these pipes facilitate the safe transport of various substances. Power generation facilities rely on them for their ability to withstand extreme heat and oxidation. Heat exchangers and boilers benefit from their strength and resilience, ensuring the efficient exchange of thermal energy. These pipes play a pivotal role in maintaining the integrity and performance of equipment in these critical sectors.

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