Import 400 Series Steel Tube — Buy in wholesale FOB from Supplier in China
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400 Series Steel Tube
The 400 Series Steel Tube from ARK Steel Tube Company is a seamless or welded ferritic and martensitic stainless steel tubing, produced to ASTM A268 and ASME SA268 standards. Supplied in grades such as TP410, TP405, TP420, TP430, TP430Ti, TP403, TP409, TP444, TP439 and TP446, it is engineered for applications demanding high mechanical strength, hardness and resistance to chloride induced pitting, crevice and stress corrosion cracking.
This tubing is manufactured with outer diameters ranging from 6 to 273 mm and wall thicknesses from 0.5 to 25 mm, suitable for heat exchangers, heaters, condensers, API service, bearing machining and petrochemical industries. The 400 series ferritic stainless steel is known for its straight chromium composition, offering moderate corrosion resistance and good formability, while martensitic grades provide higher strength and hardness through heat treatment.
Typical buyers include industrial equipment manufacturers, automotive exhaust system producers and oil and gas sector suppliers. The tubing is provided with mill test certifications, and standard packaging includes bundles or wooden crates to prevent damage during transit. Buyers should confirm surface finish requirements and whether welded or seamless production is preferred for their specific use case.
| Material | 400 Series Ferritic and Martensitic Stainless Steel |
| Standards | ASTM A268, ASME SA268 |
| Steel Grade | TP410, TP405, TP420, TP430, TP430Ti, TP403, TP409, TP444, TP439, TP446 |
| Manufacturing Process | Seamless or Welded |
| Outer Diameter | 6 - 273 mm |
| Wall Thickness | 0.5 - 25 mm |
| Typical Tensile Strength (ferritic grades) | 450 - 650 MPa typical |
| Typical Yield Strength (martensitic grades, heat treated) | 550 - 850 MPa typical |
| Typical Elongation | 15 - 25% typical |
| Corrosion Resistance | Moderate, with resistance to chloride induced pitting and stress corrosion cracking |
ARK Steel Tube Company is based in Jiaojiang District, Taizhou, Zhejiang Province, China. The supplier operates from an office address at E802, Xintai Square Building, and holds a harbor trust tier on the platform, indicating a verified business presence and trade readiness.
The company specialises in the production and supply of stainless steel tubing, including the 400 series ferritic and martensitic grades. While the listing does not provide response rate or average response time data, the supplier’s profile confirms its focus on industrial and petrochemical sector applications, offering products that meet international standards such as ASTM A268.
400 Series Stainless Seamless Steel Tubing includes ferritic and martensitic grades designed for applications requiring superior mechanical properties, hardness, and chlorite resistance. These seamless tubes meet ASTM A268 and similar standards, making them ideal for automotive exhaust systems, heat exchangers, and industrial equipment requiring moderate corrosion resistance with high strength. Widely sourced globally for import/export trade, this tubing is supplied in standard dimensions with mill test certifications for quality assurance.
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| Business Type | Supplier |
| Year Established | Recently Joined |
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| Annual Revenue | Contact Supplier |
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| Major Markets | Global |
| Response Time | <4h |
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Sourcing 400 Series Steel Tube from ARK Steel Tube Company - China Import Guide
Before ordering, verify the exact steel grade and manufacturing process (seamless or welded) to ensure compatibility with your application. Confirm whether the tubing meets additional industry-specific standards beyond ASTM A268, such as API or NACE requirements, if applicable to your use case.
Logistics considerations include confirming the Incoterms (e.g., FOB, CFR) and payment terms offered by ARK Steel Tube Company. Lead times may vary depending on the order size and custom specifications, so request a production schedule to align with your project timeline. Port of loading in China should also be confirmed for shipping arrangements.
Conduct quality checks upon receipt, including dimensional verification, surface finish inspection and review of mill test certifications. For critical applications, consider third-party inspection or additional testing, such as hardness or corrosion resistance tests, to validate performance. Ensure all documentation, including packing lists and certificates of compliance, is complete and accurate.
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27 listingsTop Verified Suppliers for 400 Series Steel Tube
30 suppliersBuy 400 Series Steel Tube in Bulk — Verified Supplier in China
When sourcing 400 Series Steel Tube for your business, securing the right balance of quality and cost is essential. ARK Steel Tube Company, a verified supplier based in China, offers this product with key specifications including 410, 420, 430 (Ferritic & Martensitic 400 Series), Cr 11.5-18%, C up to 0.15%, low Ni ferritic; or Cr 11.5-13% C 0.15-1.0% martensitic, and OD 6mm - 114.3mm, Wall Thickness 1mm - 12mm, custom lengths available. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $2,8003,400./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 Stainless Steel Pipes & Pipe Fittings sector with strong demand from importing countries worldwide.
400 Series Steel Tube Specifications, Trade Terms & Pricing
Importing 400 Series Steel Tube requires careful attention to shipping logistics, customs compliance, and secure payment terms. ARK Steel Tube Company 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 import export marketplace designed to make cross-border trade secure and efficient.
About ARK Steel Tube Company — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this 400 Series Steel Tube 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 Stainless Steel Pipes & Pipe Fittings category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import 400 Series Steel Tube — Shipping, Logistics & Customs
Importing 400 Series Steel Tube 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).
Frequently Asked Questions About 400 Series Steel Tube
What is the wholesale price of 400 Series Steel Tube?
The current listed wholesale price for 400 Series Steel Tube from ARK Steel Tube Company is $2,8003,400./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 ARK Steel Tube Company through EximNext.
What is the Minimum Order Quantity (MOQ) for 400 Series Steel Tube?
The supplier, ARK Steel Tube Company, has set a Minimum Order Quantity (MOQ) of 1 Bags for 400 Series Steel Tube. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for 400 Series Steel Tube?
For international shipping and customs clearance, 400 Series Steel Tube is classified under HS Code 7304.11. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import 400 Series Steel Tube from China?
To import 400 Series Steel Tube from China, negotiate shipping terms (FOB, CIF, or EXW) directly with ARK Steel Tube Company. Ensure you have the necessary import licenses for Stainless Steel Pipes & Pipe Fittings products in your destination country.
Is ARK Steel Tube Company a verified supplier?
Yes, ARK Steel Tube Company 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.
What are the key specifications of 400 Series Steel Tube?
The key specifications for 400 Series Steel Tube supplied by ARK Steel Tube Company include 410, 420, 430 (Ferritic & Martensitic 400 Series), Cr 11.5-18%, C up to 0.15%, low Ni ferritic; or Cr 11.5-13% C 0.15-1.0% martensitic, and OD 6mm - 114.3mm, Wall Thickness 1mm - 12mm, custom lengths available. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of 400 Series Steel Tube?
ARK Steel Tube Company offers 400 Series Steel Tube with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import 400 Series Steel Tube the most?
400 Series Steel Tube is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from ARK Steel Tube Company through our platform.
What certifications does this 400 Series Steel Tube supplier hold?
ARK Steel Tube Company maintains international quality certifications. These ensure that the 400 Series Steel Tube meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for 400 Series Steel Tube on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. ARK Steel Tube Company will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
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 ARK Steel Tube Company.
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