Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›
Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›

This ASTM A299 boiler steel sheet is a carbon-manganese-silicon alloy designed for high-temperature service in pressure vessels and industrial boilers. The material is available in Grade A and Grade B variants, with Grade B offering higher tensile strength (typically 485 MPa minimum) and yield strength (275 MPa minimum) for more demanding applications. Plates are hot-rolled to improve workability and structural integrity, making them suitable for fabrication into complex shapes.
Chemical composition for ASTM A299 Grade A typically includes 0.20-0.25% carbon, 0.70-1.00% manganese, and 0.15-0.30% silicon, while Grade B may have slightly higher carbon and manganese content for enhanced strength. Standard thicknesses range from 6 mm to 100 mm, with widths up to 3,000 mm and lengths up to 12,000 mm typical for boiler applications. The plates are supplied in the as-rolled condition, with a typical surface roughness of 12.5 µm Ra.
Primary buyers include power plant constructors, petrochemical storage tank fabricators and industrial boiler manufacturers. Trade terms often involve FOB or CIF, with packaging in heavy-duty steel straps and protective coatings to prevent corrosion during transit. Common project sizes range from 10 to 100 metric tonnes, with lead times of 30 to 60 days depending on thickness and heat treatment requirements.
| Standard | ASTM A299 |
| Grade | Grade A, Grade B |
| Material Type | Carbon-Manganese-Silicon Steel |
| Tensile Strength (Grade A) | 450 MPa minimum typical |
| Tensile Strength (Grade B) | 485 MPa minimum typical |
| Yield Strength (Grade A) | 250 MPa minimum typical |
| Yield Strength (Grade B) | 275 MPa minimum typical |
| Thickness Range | 6 mm to 100 mm typical |
| Width Range | Up to 3,000 mm standard |
| Length Range | Up to 12,000 mm standard |
| Surface Finish | Hot-rolled, Ra 12.5 µm typical |
| Heat Treatment | As-rolled or normalised on request |
Henan HZZ Iron and Steel Co., Ltd. is based in Jincheng International Building, Zhengzhou, Henan Province, China. The company specialises in boiler and pressure vessel steel plates, including ASTM A299 Grade A and B, catering to industries such as power generation, oil and gas, and chemical processing. Its product range focuses on hot-rolled carbon-manganese-silicon steel plates designed for high-temperature and high-pressure applications.
The supplier holds an imported trust tier, indicating a verified operational history in international trade. While the profile does not specify certifications such as ISO or SGS, the company highlights compliance with ASTM standards for its products. Buyers should confirm the availability of third-party certifications, production capacity, and export experience directly with the supplier, as these details are not provided in the listing.
ASTM A299 boiler steel plate is a carbon-manganese-silicon alloy steel designed for high-temperature service in pressure vessels and boiler applications. Available in Grade A and Grade B variants, this plate meets rigorous mechanical and chemical standards for safe operation under pressure. Widely sourced for power plant construction, petrochemical storage tanks, and industrial boiler manufacturing, A299 plates are a staple in global fabrication trade with strong demand across Southeast Asia, the Middle East, and Europe.
| 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, confirm that the plates meet ASTM A299 Grade A or B specifications and request material test reports (MTRs) to verify chemical composition and mechanical properties. For pressure vessel applications, ensure the supplier can provide additional certifications such as EN 10204 3.1 or 3.2, which are often required by regulatory bodies. Validate that the plates have been manufactured to the correct thickness, width, and length for your project.
Clarify packaging and logistics details to prevent damage during transit. Standard packaging for boiler plates includes heavy-duty steel strapping and protective coatings, but for long sea voyages, request additional measures such as VCI paper or moisture barriers. Lead times for ASTM A299 plates typically range from 30 to 60 days, depending on thickness and heat treatment requirements. Confirm Incoterms (e.g., FOB or CIF) and whether the quoted price includes loading fees or port charges.
Upon receipt, inspect the plates for dimensional accuracy, surface defects, and compliance with the ordered grade. For critical applications, arrange third-party inspection before shipment, particularly for large or high-value orders. Verify that all required documentation, including MTRs and certificates of compliance, is provided. Address any discrepancies immediately to avoid delays in fabrication or project timelines.
Active buying requirements from importers looking for Similar products
Compare alternatives, find similar products and connect with verified suppliers
When sourcing Astm A299 Gra, Grb, Boiler Steel Sheet for your business, securing the right balance of quality and cost is essential. Henan HZZ Iron and Steel Co., Ltd., a verified supplier based in China, offers this product with key specifications including ASTM A299 Grade A and Grade B (GRA, GRB), Carbon (C): 0.23-0.30%, Manganese (Mn): 0.84-1.65%, Silicon (Si): 0.13-0.45%, and Thickness: 6mm - 150mm; Width: 1,500mm - 4,000mm; Length: 6,000mm - 18,000mm (custom cut available). 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 7208.40, making it a staple in the Steel Sheets sector with strong demand from importing countries worldwide.
Importing Astm A299 Gra, Grb, Boile 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 7208.40 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.
Finding trustworthy partners is the foundation of successful importing. The supplier of this Astm A299 Gra, Grb, Boile 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 Sheets category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Importing Astm A299 Gra, Grb, Boile 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 7208.40 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 Astm A299 Gra, Grb, Boiler Steel Sheet 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.
The supplier, Henan HZZ Iron and Steel Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Astm A299 Gra, Grb, Boile. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
For international shipping and customs clearance, Astm A299 Gra, Grb, Boiler Steel Sheet is classified under HS Code 7208.40. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
To import Astm A299 Gra, Grb, Boile 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 Sheets products in your destination country.
Yes, Henan HZZ Iron and Steel 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 Astm A299 Gra, Grb, Boiler Steel Sheet supplied by Henan HZZ Iron and Steel Co., Ltd. include ASTM A299 Grade A and Grade B (GRA, GRB), Carbon (C): 0.23-0.30%, Manganese (Mn): 0.84-1.65%, Silicon (Si): 0.13-0.45%, and Thickness: 6mm - 150mm; Width: 1,500mm - 4,000mm; Length: 6,000mm - 18,000mm (custom cut available). For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
Henan HZZ Iron and Steel Co., Ltd. offers Astm A299 Gra, Grb, Boile with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Astm A299 Gra, Grb, Boile 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.
Henan HZZ Iron and Steel Co., Ltd. maintains international quality certifications. These ensure that the Astm A299 Gra, Grb, Boile 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. Henan HZZ Iron and Steel 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 Henan HZZ Iron and Steel Co., Ltd..
Discover more products in Steel Sheets from verified suppliers worldwide.