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ASTM A312 Stainless Steel Pipes, 1/2"-24", Corrosion Resistant FDA Compliant

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ASTM A312 Stainless Steel Pipes, 1/2"-24", Corrosion Resistant FDA Compliant

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Brand Name : Jiangsu China Steel Union

Model Number : SS304,SS316L,SS321,SS310S,SS2205,SS304H

Certification : ISO9001,SGS, ASTM, ASME

Place of Origin : CHINA WUXI

MOQ : 1000KG

Price : 1.5-1.8USD/KG

Payment Terms : T/T, L/C, Western Union, MoneyGram

Supply Ability : 2 metric tons per month

Delivery Time : 3-5Days

Packaging Details : Steel strip + kraft paper + fumigated wooden box export exquisite packaging

Trade Terms : FOB,EXW,CIF,CRF

Connection Type : Welded/Seamless

Packing : Seaworthy

Finish : Brush Polish,hairline,mirror ETC,bright

Thickness : 0.35-3mm

Length : 6m standard, customizable

Temperatureresistance : Up to 1100°C depending on grade

Outer Diameter : 8-219mm

End Type : Standard Or As Request

Ends : Plain End, Beveled End, Threaded End

Size : 1/2 inch

Surface Treatment : black, painting, oiled, galvanized, etc

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ASTM A312 Stainless Steel Pipes

Stainless Steel Pipes: Durable Conduits for Demanding Applications

Stainless Steel Pipes are engineered for superior performance in corrosive and high-pressure environments. These pipes offer exceptional strength, longevity, and hygiene, making them a fundamental component across critical industries. The product is manufactured from high-grade alloys, primarily iron, chromium, and nickel, providing an innate resistance to rust, oxidation, and a wide range of chemicals. This product description details the specifications, advantages, and diverse applications of stainless steel pipes.
Attribute
Description
Material Grades​
304/304L, 316/316L, 310S, 321, 904L, Duplex 2205
Standard​
ASTM A312, ASTM A269, ASTM A213, EN 10216-5
Outer Diameter​
6mm to 2000mm (Customizable)
Wall Thickness​
SCH 5S, 10S, 40S, 80S, etc., or as specified
Length​
Random Length (5-7m), Fixed Length, or Cut-to-Size
Form​
Seamless Pipes, Welded Pipes (ERW, SAW)
Surface Finish​
Annealed & Pickled, Bright Annealed, Polished (180#-600#)
Characteristics & Technology
Stainless steel pipes are defined by their alloy composition, with a minimum of 10.5% chromium forming a passive, self-repairing oxide layer that prevents corrosion. Advanced manufacturing techniques ensure precise dimensional tolerances and consistency. The product is available in both seamless and welded forms. Seamless pipes are extruded, offering uniform strength for high-pressure applications. Welded pipes, formed from rolled and welded coils, provide excellent dimensional consistency for structural and conveying uses.
Theory & Manufacturing
The corrosion resistance is based on the passivation theory, where chromium reacts with oxygen to form an invisible, adherent surface layer. Key production processes include continuous casting, hot extrusion, cold drawing, and precision welding. Finished pipes undergo solution annealing to dissolve carbides and restore corrosion resistance, followed by pickling to remove scale and rejuvenate the passive layer.
Applications & Advantages
Applications:​ These pipes are essential in oil & gas pipelines, chemical processing plants, food & beverage processing lines, pharmaceutical manufacturing, architectural structures, water treatment systems, and shipbuilding.
Key Advantages:
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    Withstands aggressive media, moisture, and extreme temperatures.
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    High pressure and mechanical stress resistance ensure a long service life.
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    Non-porous, smooth surface prevents bacterial growth, ideal for hygienic industries.
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    A clean, modern appearance suits both functional and architectural uses.
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    Resistance to degradation significantly reduces long-term maintenance expenses.
Service & Support
We provide comprehensive technical data sheets, material certifications (e.g., 3.1/3.2 Mill Certificates), and professional application consulting. Custom cutting, precision polishing, and non-destructive testing services are available. Products are packaged securely for international shipping.
FAQ
Q: What is the difference between 304 and 316 stainless steel pipes?
A: 304 is versatile for general use. 316 contains Molybdenum, offering significantly higher resistance to chlorides and acids, making it suitable for marine and chemical environments.
Q: Can stainless steel pipes be used for high-temperature service?
A: Yes, grades like 310S and 321 are specifically designed for high-temperature stability and oxidation resistance.
Q: How do I select between seamless and welded pipes?

A: Seamless pipes are preferred for high-pressure, critical applications. Welded pipes are cost-effective for structural, low/medium pressure conveying, and architectural purposes. Our experts can assist in selection.

ASTM A312 Stainless Steel Pipes, 1/2"-24", Corrosion Resistant FDA CompliantASTM A312 Stainless Steel Pipes, 1/2"-24", Corrosion Resistant FDA Compliant


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