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Dnv A550, Dnv D550, Dnv E550, Steel Plate
DNV A550, DNV D550, and DNV E550 steel plates are high-strength normalized or thermomechanical processed (TMCP) shipbuilding steels certified to meet Det Norske Veritas requirements for hull and offshore structural applications. These plates are designed for thicker sections and higher load-bearing applications than lower-grade DNV steels, with typical thicknesses ranging from 10mm to 80mm and widths up to 4000mm. The material composition is optimized for elevated yield strength while maintaining weldability and low-temperature toughness.
The plates are manufactured to achieve minimum yield strengths of 550 MPa, with tensile strengths typically between 620 MPa and 780 MPa. Charpy impact testing at -40°C is mandatory for E550, reflecting its use in Arctic or deep-sea environments. These are standard industry benchmarks for high-strength DNV grades. The steel contains controlled levels of niobium, vanadium, and titanium to enhance strength without compromising ductility, consistent with ASTM A514 and EN 10025-6 specifications.
These plates are primarily procured by offshore rig builders, heavy-lift vessel manufacturers, and specialized shipyards in Europe, the Middle East, and East Asia. Buyers often require full traceability, DNV type approval, and third-party inspection. Packaging is typically in steel-strapped bundles with corner protectors and moisture-resistant coating. Trade terms commonly include FOB Shanghai or CIF destination, with lead times averaging 30 to 50 days depending on production scheduling and port availability.
| Material | High-strength shipbuilding steel, normalized or TMCP |
| Certification | DNV GL A550, D550, E550 |
| Thickness range | 10 mm to 80 mm |
| Width range | Up to 4000 mm |
| Yield strength (min) | A550: 550 MPa, D550: 550 MPa, E550: 550 MPa |
| Tensile strength | 620 MPa to 780 MPa (typical range for these grades) |
| Charpy impact test | E550 requires -40°C minimum 47 J average (standard for DNV E-grade high-strength) |
| Chemical composition (max C) | 0.16% (typical for DNV A550/D550/E550 based on DNV GL standard) |
| Packaging | Steel-strapped bundles with corner protectors and moisture-resistant coating (standard for high-strength export plates) |
| Surface condition | Hot-rolled, scale removed by pickling or blasting (typical for high-strength marine plates) |
Henan HZZ Iron and Steel Co., Ltd. is based in Zhengzhou, Henan Province, China, and operates as an exporter of structural steel products with a focus on shipbuilding grades. The company is listed as an imported supplier with harbor trust tier, indicating it has passed basic export documentation checks but has no public verification of production capacity or mill ownership. The listing does not confirm whether the company is a mill, trader, or distributor, nor does it state any certifications, years in operation, or client references.
There is no public information available on workforce size, annual output, or specific mill affiliations. The supplier's response rate and average response time are recorded as zero, suggesting limited or no direct communication capability through the platform. Buyers should treat this as a trading entity sourcing material from third-party mills and verify material origin and certification independently before placing orders.
DNV A550, D550, and E550 are high-strength normalized or thermomechanical shipbuilding steel plates certified by Det Norske Veritas, designed for hull structures and marine offshore applications. These plates offer excellent weldability, impact toughness at low temperatures, and comply with DNV-GL classification society standards for vessel construction. Widely sourced for export in Asian and European markets, they are supplied in standard mill dimensions with Mill Test Certificate and classification society inspection.
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Sourcing DNV A550, DNV D550, DNV E550, Steel Plate from Henan HZZ Iron and Steel Co., Ltd. - China Import Guide
Before ordering, verify the material grade against the mill test certificate, ensuring it matches DNV GL Type Approval for A550, D550, or E550. Confirm the heat number, chemical composition, and mechanical test results for each batch. Do not accept generic certificates without batch-specific data. Request proof of origin, as high-strength DNV plates may be sourced from multiple mills in China, Korea, or Japan, each with varying quality control.
Confirm the Incoterms with the supplier - FOB Shanghai is common, but CIF terms may require additional insurance documentation. Lead times typically range from 30 to 50 days, depending on mill scheduling and port congestion. Packaging must include rust inhibitors, corner protectors, and waterproof wrapping. Payment terms are often 30% advance, 70% against copy of shipping documents, but this must be negotiated directly.
Perform a pre-shipment inspection focusing on surface condition, thickness accuracy, and certification validity. Use ultrasonic testing for plates over 30mm to detect laminations. Verify that the DNV certification is stamped and signed by an accredited body. Retain a sample from each batch for future welding or structural audits. Ensure the supplier provides full documentation, including the DNV approval number and test reports, before final payment.
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30 suppliersBuy Dnv A550, Dnv D550, Dnv E in Bulk — Supplier in China
When sourcing Dnv A550, Dnv D550, Dnv E550, Steel Plate for your business, securing the right balance of quality and cost is essential. Henan HZZ Iron and Steel Co., Ltd., a supplier based in China, offers this product with key specifications including DNV A550, DNV D550, DNV E550 (Strength levels A, D, E), Carbon steel with controlled C, Mn, Si; microalloying elements (Nb, V, Ti); low S and P content for enhanced toughness, and Thickness: 6mm - 50mm; Width: 1,500mm - 3,000mm; Length: 6,000mm - 12,000mm (custom cut to order). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $350/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7208.51, making it a staple in the Steel Plates sector with strong demand from importing countries worldwide.
Dnv A550, Dnv D550, Dnv E Specifications, Trade Terms & Pricing
Importing Dnv A550, Dnv D550, Dnv E requires careful attention to shipping logistics, customs compliance, and secure payment terms. Henan HZZ Iron and Steel 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 7208.51 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 online B2B marketplace designed to make cross-border trade secure and efficient.
About Henan HZZ Iron and Steel Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. Ask the supplier of this Dnv A550, Dnv D550, Dnv E for business registration and quality documents before ordering. 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 manufacturers and exporters across 200+ countries. Explore similar products in the Steel Plates category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import Dnv A550, Dnv D550, Dnv E — Shipping, Logistics & Customs
Importing Dnv A550, Dnv D550, Dnv E 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 7208.51 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 Dnv A550, Dnv D550, Dnv E
What is the wholesale price of Dnv A550, Dnv D550, Dnv E550, Steel Plate?
The current listed wholesale price for Dnv A550, Dnv D550, Dnv E550, Steel Plate from Henan HZZ Iron and Steel Co., Ltd. is $350/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 Henan HZZ Iron and Steel Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Dnv A550, Dnv D550, Dnv E?
The supplier, Henan HZZ Iron and Steel Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Dnv A550, Dnv D550, Dnv E. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Dnv A550, Dnv D550, Dnv E550, Steel Plate?
For international shipping and customs clearance, Dnv A550, Dnv D550, Dnv E550, Steel Plate is classified under HS Code 7208.51. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Dnv A550, Dnv D550, Dnv E from China?
To import Dnv A550, Dnv D550, Dnv E from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Henan HZZ Iron and Steel Co., Ltd.. Ensure you have the necessary import licenses for Steel Plates products in your destination country.
How can I check Henan HZZ Iron and Steel Co., Ltd. before ordering?
Open the Henan HZZ Iron and Steel Co., Ltd. company profile on EximNext to see the details the company has provided. Before a bulk order, ask for business registration, certificates and export documents, and consider a sample or a small trial order.
What are the key specifications of Dnv A550, Dnv D550, Dnv E550, Steel Plate?
The key specifications for Dnv A550, Dnv D550, Dnv E550, Steel Plate supplied by Henan HZZ Iron and Steel Co., Ltd. include DNV A550, DNV D550, DNV E550 (Strength levels A, D, E), Carbon steel with controlled C, Mn, Si; microalloying elements (Nb, V, Ti); low S and P content for enhanced toughness, and Thickness: 6mm - 50mm; Width: 1,500mm - 3,000mm; Length: 6,000mm - 12,000mm (custom cut to order). 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 Dnv A550, Dnv D550, Dnv E?
Henan HZZ Iron and Steel Co., Ltd. offers Dnv A550, Dnv D550, Dnv E with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Dnv A550, Dnv D550, Dnv E the most?
Dnv A550, Dnv D550, Dnv E is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Henan HZZ Iron and Steel Co., Ltd. through our platform.
What certifications does this Dnv A550, Dnv D550, Dnv E supplier hold?
Henan HZZ Iron and Steel Co., Ltd. maintains international quality certifications. These ensure that the Dnv A550, Dnv D550, Dnv E meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Dnv A550, Dnv D550, Dnv E550, Steel Plate on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Henan HZZ Iron and Steel 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 Henan HZZ Iron and Steel Co., Ltd..
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