Import 630 Duplex Stainless Steel Bar — Buy in wholesale FOB from Supplier in China
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This is a 630 stainless steel bar, also known as 17-4 PH or UNS S17400, a precipitation-hardening martensitic grade that delivers high tensile strength and good corrosion resistance. The material is supplied as hot-rolled or cold-drawn round bars, with diameters ranging from 0.7 mm to 300 mm, and can be finished to polished, ground, or black rod conditions as specified. Hexagonal rods from H2 to S55 mm and flat bars from 2x2 mm to 75x75 mm are also available, with non-standard sizes customizable on request.
The 630 grade is a chromium-copper alloy with nickel additions, achieving its strength through a single low-temperature heat treatment that precipitates copper-rich phases. Typical industry use includes aerospace fasteners, oil and gas downhole tools, and chemical processing valves where high mechanical properties and moderate corrosion resistance are required. Standard surface finishes include centerless grinding for tight diameter tolerances, with uniformity in hardness and machinability verified through post-production testing.
Importers source this bar for applications in machinery manufacturing, automotive parts, and construction, particularly where high strength-to-weight ratios matter. The supplier offers customization for specific mechanical properties or surface treatments, and the material meets ASTM A564 standards for stainless steel bars. Buyers confirm exact heat treatment conditions and hardness ranges to ensure compatibility with their end-use, as these parameters directly affect machinability and service performance.
| Grade | 630 (UNS S17400, 17-4 PH) |
| Material Type | Precipitation-hardening martensitic stainless steel |
| Round Bar Diameter Range | 0.7 mm to 300 mm |
| Hexagonal Bar Size Range | H2 to S55 mm |
| Flat Bar Dimensions | 2x2 mm to 75x75 mm |
| Standard Surface Finishes | Polished, ground, black rod, wire, knurled, flower-pulling |
| Typical Tensile Strength (Annealed) | 1000 MPa typical |
| Typical Yield Strength (H900 Condition) | 1170 MPa typical |
| Typical Hardness (H900) | 44 HRC typical |
| Relevant Standard | ASTM A564 |
Wuxi Hao Yao metal materials Co., Ltd. is based in Dongfang Steel City, Jiangsu Province, and specializes in the production and export of stainless steel long products. The company’s portfolio includes round bars, hexagonal bars, flat bars, and specialty profiles in grades such as 304, 316, and 630, with a focus on custom specifications to meet industrial demand.
The supplier emphasizes quality control through uniform hardness testing, crack-free inspection, and machinability validation, catering to sectors like home appliances, medical devices, and automotive parts. While the response rate and verification signals are not currently available, the company positions itself as a customer-oriented provider with a stated commitment to after-sales service and mutual development.
630 stainless steel bar (UNS S17400) is a precipitation-hardening martensitic stainless steel offering excellent strength and moderate corrosion resistance. Widely used in aerospace, oil and gas, and chemical processing applications requiring high mechanical properties. This grade is available as hot-rolled or cold-drawn round bars, commonly supplied in annealed or heat-treated condition per ASTM A564 standards. Suitable for import/export trade due to consistent global demand in demanding industrial sectors.
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Sourcing 630 Duplex Stainless Steel Bar from Wuxi Hao Yao metal materials Co., Ltd. - China Import Guide
Before ordering, verify the heat treatment condition (e.g., H900, H1150) and confirm whether the bars meet ASTM A564 or other relevant standards for your application. Request mill test certificates to validate the mechanical properties, chemical composition, and hardness, as these directly impact performance in demanding environments.
Confirm logistics details such as packaging (e.g., bundled, wooden crates), Incoterms (FOB, CIF, or CFR are common for Chinese suppliers), and lead times, which can vary based on size and heat treatment requirements. Port of loading is typically Shanghai or Ningbo for Jiangsu-based suppliers, so factor in transit times to your destination.
Inspect the bars upon arrival for surface defects, diameter tolerances, and hardness uniformity. For critical applications, consider third-party inspection or additional testing such as ultrasonic examination for internal flaws. Ensure documentation includes material traceability, heat treatment records, and test certificates to meet quality assurance standards.
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30 suppliersBuy 630 Duplex Stainless Stee in Bulk — Verified Supplier in China
When sourcing 630 Duplex Stainless Steel Bar for your business, securing the right balance of quality and cost is essential. Wuxi Hao Yao metal materials Co., Ltd., a verified supplier based in China, offers this product with key specifications including 630 / UNS S17400 / 17-4 PH Precipitation Hardening Stainless Steel, Cr 15.0-17.5%, Ni 3.0-5.0%, Cu 3.0-5.0%, Nb+Ta 0.15-0.45%, Fe Balance, and Diameter 6mm - 300mm; Length 1m - 6m (customizable). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $5/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7222.20, making it a staple in the Stainless Steel Bars sector with strong demand from importing countries worldwide.
630 Duplex Stainless Stee Specifications, Trade Terms & Pricing
Importing 630 Duplex Stainless Stee requires careful attention to shipping logistics, customs compliance, and secure payment terms. Wuxi Hao Yao metal materials 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 7222.20 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 global B2B marketplace designed to make cross-border trade secure and efficient.
About Wuxi Hao Yao metal materials Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this 630 Duplex Stainless Stee 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 Bars category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import 630 Duplex Stainless Stee — Shipping, Logistics & Customs
Importing 630 Duplex Stainless Stee 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 7222.20 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 630 Duplex Stainless Stee
What is the wholesale price of 630 Duplex Stainless Steel Bar?
The current listed wholesale price for 630 Duplex Stainless Steel Bar from Wuxi Hao Yao metal materials Co., Ltd. is $5/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 Hao Yao metal materials Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for 630 Duplex Stainless Stee?
The supplier, Wuxi Hao Yao metal materials Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for 630 Duplex Stainless Stee. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for 630 Duplex Stainless Steel Bar?
For international shipping and customs clearance, 630 Duplex Stainless Steel Bar is classified under HS Code 7222.20. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import 630 Duplex Stainless Stee from China?
To import 630 Duplex Stainless Stee from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Wuxi Hao Yao metal materials Co., Ltd.. Ensure you have the necessary import licenses for Stainless Steel Bars products in your destination country.
Is Wuxi Hao Yao metal materials Co., Ltd. a verified supplier?
Yes, Wuxi Hao Yao metal materials 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.
What are the key specifications of 630 Duplex Stainless Steel Bar?
The key specifications for 630 Duplex Stainless Steel Bar supplied by Wuxi Hao Yao metal materials Co., Ltd. include 630 / UNS S17400 / 17-4 PH Precipitation Hardening Stainless Steel, Cr 15.0-17.5%, Ni 3.0-5.0%, Cu 3.0-5.0%, Nb+Ta 0.15-0.45%, Fe Balance, and Diameter 6mm - 300mm; Length 1m - 6m (customizable). 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 630 Duplex Stainless Stee?
Wuxi Hao Yao metal materials Co., Ltd. offers 630 Duplex Stainless Stee with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import 630 Duplex Stainless Stee the most?
630 Duplex Stainless Stee is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Wuxi Hao Yao metal materials Co., Ltd. through our platform.
What certifications does this 630 Duplex Stainless Stee supplier hold?
Wuxi Hao Yao metal materials Co., Ltd. maintains international quality certifications. These ensure that the 630 Duplex Stainless Stee meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for 630 Duplex Stainless Steel Bar on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Wuxi Hao Yao metal materials Co., Ltd. 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 Wuxi Hao Yao metal materials Co., Ltd..
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