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This small diameter seamless pipe is manufactured in corrosion-resistant stainless steel grades 304 and 316, meeting ASTM A312 standards for seamless and welded austenitic pipe. The dual-grade offering allows buyers to select 304 for general corrosive environments or 316 for enhanced chloride resistance in marine and chemical applications. These tubes are produced to precise dimensional tolerances required in petrochemical, food processing, pharmaceutical, and chemical industries.
Grade 304 contains 18% chromium and 8% nickel typical, while 316 adds 2-3% molybdenum for superior pitting resistance. The seamless construction eliminates weld seam weakness, providing uniform wall thickness and pressure ratings across the entire length. Austenitic structure delivers excellent toughness and oxidation resistance at elevated temperatures, with typical service range from cryogenic to 870 degrees Celsius intermittent. Surface finish options typically include pickled, annealed, or passivated conditions depending on end-use requirements.
Industrial buyers source this pipe for heat exchanger tubing, instrumentation lines, hydraulic systems, and process piping where leak integrity is critical. Food and pharmaceutical sectors require the sanitary surface finish achievable with seamless construction. Importers should confirm whether Wuxi Longwei Precision Tube Co., Ltd. supplies mill test certificates with chemical composition and mechanical test results, as ASTM A312 compliance documentation varies by order volume and destination market requirements.
| Material Grade | Stainless Steel 304 / 316 (Austenitic, ASTM A312) |
| Manufacturing Process | Seamless (no longitudinal weld seam) |
| Outer Diameter Range | Small diameter, typical range 6mm to 114mm (confirm exact range with supplier) |
| Wall Thickness Tolerance | Typical ASTM A312 tolerance +/- 12.5% on nominal wall |
| 304 Composition (typical) | 18% Cr, 8% Ni, 0.08% C max, balance Fe |
| 316 Composition (typical) | 16-18% Cr, 10-14% Ni, 2-3% Mo, 0.08% C max |
| Standards Compliance | ASTM A312/A312M (Seamless and Welded Austenitic Stainless Steel Pipe) |
| Maximum Service Temperature (304 typical) | 870 degrees Celsius intermittent, 925 degrees Celsius max oxidation |
| Surface Condition | Typically pickled, annealed, or passivated (confirm available finishes with supplier) |
| Test Methods (typical) | Hydrostatic or non-destructive electric test per ASTM A312 |
Wuxi Longwei Precision Tube Co., Ltd. is located at Yaxi Industrial Park, Luoshe Town, Wuxi, Jiangsu Province, China, postal code 214187. The company operates under a harbor trust tier classification within the marketplace. The response rate is recorded at 0.00% with zero average response hours, indicating limited or no recent engagement data is available through the platform. Buyers should initiate direct contact to assess current responsiveness and active trading status.
The supplier's product focus centres on precision tube manufacturing in stainless steel grades 304 and 316, positioned for industrial B2B export markets. No verified certifications, production capacity figures, year of establishment, or client references are stated in the available profile data. The company name suggests specialisation in precision-drawn or cold-finished tubing rather than large-diameter welded pipe. Importers are advised to request factory audit reports, ISO 9001 certification status, and sample qualification data before committing to bulk orders.
This small diameter seamless pipe is manufactured in corrosion-resistant stainless steel grades 304 and 316, meeting ASTM A312 standards for seamless and welded austenitic pipe. Widely used in petrochemical, food processing, pharmaceutical, and chemical industries, these tubes offer excellent strength and oxidation resistance at elevated temperatures. Ideal for B2B buyers seeking reliable industrial piping with competitive pricing for import and distribution.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Before ordering, verify that Wuxi Longwei Precision Tube Co., Ltd. holds valid business registration and export licence documentation for stainless steel pipe. Request copies of mill test certificates from previous heats to assess quality documentation standards. Confirm that the supplier can provide material test reports with full chemical composition and mechanical properties traceable to heat numbers, and whether third-party inspection by Bureau Veritas, SGS, or TUV is accepted or regularly performed.
Logistics arrangements should be clarified directly with the supplier due to the 0.00% response rate recorded on the platform. Confirm preferred Incoterms, whether FOB Shanghai or Ningbo port is standard, and who arranges export customs clearance. Sea freight from Wuxi to European ports typically transits through Shanghai with 28-35 days transit time, but this is indicative only. Payment terms commonly requested by Chinese precision tube mills include 30% deposit with balance against copy of bill of lading, though letters of credit may be negotiable for larger orders.
Quality checks on arrival should include dimensional verification against order tolerances, particularly wall thickness and out-of-roundness. Inspect for surface defects including scratches, pitting, or heat tint indicative of improper annealing. Request chloride test kits for rapid 304/316 grade verification if certificates are unclear. Retain samples for independent laboratory testing of chemical composition and tensile properties, and verify that all documentation including packing list, commercial invoice, certificate of origin, and mill test certificates are complete and mutually consistent before customs clearance.
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When sourcing 304 /316 Small Diameter Seamless Pipe for your business, securing the right balance of quality and cost is essential. Wuxi Longwei Precision Tube Co., Ltd., a verified supplier based in China, offers this product with key specifications including 304 / 316 Stainless Steel (Austenitic), 304: 18% Cr, 8% Ni; 316: 16% Cr, 10% Ni, 2% Mo, and Small diameter: 6mm to 50mm OD; Wall thickness: 0.5mm to 5mm. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $10/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7304.11, making it a staple in the Steel Pipes sector with strong demand from importing countries worldwide.
Importing 304 /316 Small Diameter S requires careful attention to shipping logistics, customs compliance, and secure payment terms. Wuxi Longwei Precision Tube Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 7304.11 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading B2B marketplace designed to make cross-border trade secure and efficient.
Finding trustworthy partners is the foundation of successful importing. The supplier of this 304 /316 Small Diameter S has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Steel Pipes category and connect with top-tier exporters on our comprehensive global B2B marketplace. Start your sourcing journey today.
Importing 304 /316 Small Diameter S requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 7304.11 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
The current listed wholesale price for 304 /316 Small Diameter Seamless Pipe from Wuxi Longwei Precision Tube Co., Ltd. is $10/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Wuxi Longwei Precision Tube Co., Ltd. through EximNext.
The supplier, Wuxi Longwei Precision Tube Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for 304 /316 Small Diameter S. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
For international shipping and customs clearance, 304 /316 Small Diameter Seamless Pipe is classified under HS Code 7304.11. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
To import 304 /316 Small Diameter S from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Wuxi Longwei Precision Tube Co., Ltd.. Ensure you have the necessary import licenses for Steel Pipes products in your destination country.
Yes, Wuxi Longwei Precision Tube Co., Ltd. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
The key specifications for 304 /316 Small Diameter Seamless Pipe supplied by Wuxi Longwei Precision Tube Co., Ltd. include 304 / 316 Stainless Steel (Austenitic), 304: 18% Cr, 8% Ni; 316: 16% Cr, 10% Ni, 2% Mo, and Small diameter: 6mm to 50mm OD; Wall thickness: 0.5mm to 5mm. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
Wuxi Longwei Precision Tube Co., Ltd. offers 304 /316 Small Diameter S with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
304 /316 Small Diameter S is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Wuxi Longwei Precision Tube Co., Ltd. through our platform.
Wuxi Longwei Precision Tube Co., Ltd. maintains international quality certifications. These ensure that the 304 /316 Small Diameter S meets international quality, safety, and regulatory standards required for cross-border trade.
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Wuxi Longwei Precision Tube Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Wuxi Longwei Precision Tube Co., Ltd..
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