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304L Stainless Steel Pipe

🔥 Stop risking catastrophic weld-zone cracking, intergranular sensitization, or severe project-site engineering rejections due to unverified high-carbon alloy mill runs.

SXY Steel Group manufactures industrial-grade, ultra-low carbon 304L stainless steel pipes (available in heavy-wall seamless and high-precision welded configurations) engineered specifically for high-integrity welded structural assemblies, chemical storage networks, and severe fluid conveyance lines. Fabricated with a guaranteed carbon content below 0.03% to entirely eliminate harmful carbide precipitation during field welding, our premium 304L piping ensures exceptional stress-corrosion resistance and zero-compromise structural toughness. Secure your prioritized container mill capacity today via our Guaranteed 2-Hour Rapid Quote service before raw material nickel indices fluctuate.

Tired of slow emails while your structural fabrication bidding or engineering submittal deadline closes in? Eliminate destination inspection anxieties and lock in verified ultra-low carbon material records right now.

ASTM A312 TP304L Welded & Seamless / EN 10217-7 1.4307 / JIS G3459 SUS304L Stainless Steel Tubes

PRODUCT DETAILS

📊 Austenitic Stainless Steel Three-Standard Cross Specification Matrix

American Standard (ASTM)European Standard (EN)Japanese Standard (JIS)Chinese Standard (GB)Core Material Performance Profile
ASTM A312 / A554 TP304L (UNS S30403)EN 10217-7 / 10216-5 1.4307JIS G3459 / G3448 SUS304LGB/T 14976 022Cr19Ni10Ultra-Low Carbon (C≤0.03%), Superior Weldability without Post-Weld Annealing, Heavy Structural Framing & Corrosive Fluid Lines
ASTM A312 TP304 (UNS S30400)EN 10217-7 1.4301JIS G3459 SUS304GB/T 14976 06Cr19Ni10Standard Commercial Grade, High Formability, Food Processing Equipment, Medical Ware & Architectural Trim
ASTM A312 TP316L (UNS S31603)EN 10217-7 1.4404JIS G3459 SUS316LGB/T 14976 022Cr17Ni12Mo2Molybdenum-Enriched, Ultimate Chloride Pitting Resistance, Coastal Infrastructure & Severe Chemical Plants

🛡️ Technical QA/QC Verification
100% Continuous PMI Alloy Screening: Every batch of 304L piping undergoes complete hand-held spectrometry Positive Material Identification (PMI) to lock in exact chromium-nickel percentages and verify ultra-low carbon levels before packaging.
Certified EN 10204 3.1 Traceability: Shipped with full Mill Test Certificates (MTC) documenting Intergranular Corrosion tests (ASTM A262 Practice E), flattening, flaring, and hydrostatic holding bounds. Accommodates direct SGS, Bureau Veritas, or Lloyd’s Register third-party witness protocols.
Zero-Risk Trade Architecture: SXY Steel Group eliminates international cash flow risks completely by processing all major volume engineering orders via 100% Irrevocable Letters of Credit (L/C) at sight.

📦 Anti-Scratch Marine Protection & Ocean Logistics
Continuous Interleaved Protection: Pipes are individual poly-sleeved or layered using durable timber dunnage separators to ensure absolute freedom from surface scoring or metal abrasion over ocean transport routes.
Reinforced Structural Bundling: Hexagonal pipe packages are secured with heavy-duty structural steel bands or bundled in solid plywood crates with built-in high-tensile nylon slings to facilitate effortless crane discharge operations at your port.
Pre-Cleared Demurrage Cover: SXY Steel Group secures 14 to 21 days of complimentary container demurrage directly with leading shipping companies to buffer your project timelines against destination port customs clearance delays.
CategoryDetails
StandardFood Grade Sanitary Tube: JIS G3447, KS D 3585, ASTM A270, EN 10357(DIN 11850), AS 1528.1, ISO 2037(NF A49-249)

Heat exchanger tube: ASTM A249 / ASME SA249, GB / T 24593-2009, HG 20537.2

Industrial pipe: ASTM A312, EN 10217-7, GB / T 12771-2008, HG 20537.3

Drinking water tube: GB / T 19228

Mechanical tube: ASTM A554, EN 10296-2

SizeOuter Diameter Range: 9.5~2000mm
Thickness Range: 0.5~20mm (Size can be customized.)
Length: Up to 18.3 meters per piece.
Shape SectionRound, square, rectangular
UsageSanitary tubing: for food processing industry, beverage industry, sugar mill and so on;

Heat exchanger tube: condenser, boiler, super heater, evaporator and so on;

Industrial pipe: for petroleum delivery, gas delivery, petrochemical industry, wastewater treatment, drainage system, and so on;

Mechanical tube: handrail, railings, balustrade, hence and so on.

Features:
1.Our stainless steel tubes pipes are treated by bright annealing, inside weld bead removing, precise polishing. The roughness of tubes could be under 0.3μm.

2.We have the non destructive testing ( NDT ), eg. online eddy current inspection and hydraulic or airtightness testing.

3. Thick welding, good appearance.The mechanical properties of tube could be tested.

4. The raw material is from Taigang, Baogang, Zhangpu and so on.

5. And Our tubes are certificated by AD 2000-W0, PED 2014/68/EU, ISO 9001 : 2015.

6. Full material traceability is guaranteed during the manufacturing process.

7. Polished tube is supplied in individual plastic sleeves with capped ends ensuring optimum cleanliness.

8. Internal Bore: Tubes have a smooth, clean and crevice free bore.

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Packing and shipping

Our company has passed ISO9001 quality management system certification, Our Mill product with CE/EN10204 / ASTM/Classification society certificate/CASO/BIS etc certificate.All the customers give good appreciation to our products.We are glad to be your good partner.

 

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Application Areas

Steel is widely used in steel structure workshops, bridge frames, main structures of high-rise buildings, and infrastructure construction (such as highways, oil and gas pipelines). Its high strength properties ensure load-bearing stability and seismic performance. In ship manufacturing, steel is used to build hull structures, decks, and internal components. Hot-rolled coils rely on their load-bearing capacity to adapt to harsh environments. ‌

 

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Factory workshop

With a commitment to excellence, innovation, and sustainability, the company has established itself as a trusted partner in the international steel industry.After nearly two decades of relentless endeavour, our client base now spans over 110 countries and regions across Europe, the Middle East, South America, and Southeast Asia.

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🔬 Free Project Bill of Materials (BOM) Nesting Calculation & Linear Allocation Analysis

Submitting detailed fabrication blueprints for industrial pipeline networks, chemical storage vessels, architectural framing systems, or bulk procurement tenders? Paste your raw engineering files, spool data, or Bill of Materials (BOM) into the contact form below. The specialized engineering division at SXY Steel Group will perform a programmatic nesting calculation to fully optimize pipeline lengths, minimize structural waste scraps, and protect your tight project allocation budget.

🎁 Exclusive Lead Benefit: Submit your data right now to immediately unlock our June 2026 Stainless Steel Global Price Movement Outlook & Oceanic Freight Discount Matrix report.

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