Import Forged Seamless Rolled Rings — Buy in wholesale FOB from Supplier in China
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Forged Seamless Rolled Rings
Forged Seamless Rolled Rings are solid metal rings produced by ring rolling combined with open-die forging. Jiangsu Rongcheng Forgings Co., Ltd. manufactures them from Alloy Steel 4140 and Carbon Steel A105 as specified in the listing. The rings are supplied in metric tonnes with bulk pricing negotiable per order. Their grain-flow structure provides higher strength than machined equivalents.
The chosen alloys are standard grades for pressure-vessel and bearing components, offering a balance of tensile strength and ductility. Typical heat-treatment cycles include normalising and tempering to achieve hardness in the 30-38 HRC range. The forging process yields a uniform microstructure and eliminates internal stresses common in cut-and-machined parts. Such characteristics are valued in sectors where reliability under cyclic loads is critical.
Common applications include flanges for pipe systems, pipe fitting assemblies, slewing bearing housings and wind-tower support structures. Buyers such as OEMs in oil-and-gas, heavy machinery and renewable-energy markets source these rings for their load-bearing requirements. Trade terms are handled per metric ton with the possibility of FOB or CIF arrangements, and the supplier invites enquiries for custom dimensions and packaging.
| Material | Alloy Steel 4140 / Carbon Steel A105 |
| Manufacturing process | Ring rolling and open-die forging |
| Typical hardness | Typical hardness 30-38 HRC after heat treatment |
| Typical dimensions | Typical outside diameter 100-1200 mm, wall thickness 10-150 mm (custom sizes on request) |
| Standard grade | Standard pressure-vessel grade according to ASTM A105 |
| Heat treatment | Typical normalising and tempering to achieve required mechanical properties |
| Surface finish | Typical surface roughness Ra 1.6 µm |
| Dimensional tolerance | Typical tolerance +/-0.2% of nominal size |
| Packaging | Typical shipping in wooden crates with individual protective film |
| Load bearing capacity | Typical capacity up to 200 kN depending on size and grade |
Jiangsu Rongcheng Forgings Co., Ltd. is located at No.589 Yangjin Road, Jinfeng Town, Zhangjiagang, Jiangsu Province, China, and holds a harbor verification tier on the marketplace. The supplier's profile indicates a response rate of 0 percent, suggesting that buyers should confirm communication channels directly. The company serves both domestic and international customers, positioning itself as a dedicated forging and machining provider.
The factory operates a 7000-ton hydraulic press and a 3000-ton press, enabling production of large-weight rings. A CNC machining workshop supports three parallel lines with capabilities up to 5000 mm, while a heat-treating workshop ensures controlled hardness and crack-free performance. These facilities allow the supplier to offer precision-machined rings with consistent technical properties.
Forged Seamless Rolled Rings are produced via ring rolling and open die forging, ideal for flanges, pipe fittings, slewing bearings, and wind tower applications. These rings offer superior strength and grain flow compared to machined parts, making them essential in demanding industrial sectors. Widely sourced from Asian and European mills for import/export, priced competitively per metric ton with negotiable bulk rates.
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Sourcing Forged Seamless Rolled Rings from Jiangsu Rongcheng Forgings Co., Ltd. - China Import Guide
Before placing an order, importers should request the mill test certificate confirming the exact alloy grade, chemical composition and heat-treatment parameters for the rolled rings. Verify the dimensional drawings against the supplier's standard tolerances of +/-0.2% and ensure the surface roughness meets the Ra 1.6 µm specification. It is also prudent to ask for a recent non-destructive-testing report that demonstrates the absence of internal cracks or inclusions.
Logistical arrangements typically involve sea freight from the nearest Chinese port, with the supplier able to quote FOB or CIF terms upon request. Expected lead time after order confirmation is roughly 30-45 days, depending on the size and any special heat-treatment requirements. Payment is commonly secured through a telegraphic transfer or an irrevocable letter of credit, and buyers should clarify the incoterm that best fits their supply chain.
To safeguard product integrity, buyers are advised to engage a third-party inspection agency for pre-shipment verification, focusing on dimensional conformity, hardness testing and surface finish. Request the original mill test certificate, hardness report and any applicable ASTM A105 compliance documentation before cargo release. Maintaining a clear record of these documents streamlines customs clearance and ensures the rings meet the technical standards required for their intended applications.
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30 suppliersBuy Forged Seamless Rolled Ri in Bulk — Verified Supplier in China
When sourcing Forged Seamless Rolled Rings for your business, securing the right balance of quality and cost is essential. Jiangsu Rongcheng Forgings Co., Ltd., a verified supplier based in China, offers this product with key specifications including Alloy Steel 4140 (AISI 4140), Carbon Steel A105 / ASTM A350 LF2, C 0.37-0.49%, Cr 0.80-1.10%, Mo 0.15-0.25%, Mn 0.65-1.10% (4140), and OD 200mm - 3000mm, ID 100mm - 2500mm, Height 50mm - 500mm (custom sizes available). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $100/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7215.00, making it a staple in the Fasteners sector with strong demand from importing countries worldwide.
Forged Seamless Rolled Ri Specifications, Trade Terms & Pricing
Importing Forged Seamless Rolled Ri requires careful attention to shipping logistics, customs compliance, and secure payment terms. Jiangsu Rongcheng Forgings 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 7215.00 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 Jiangsu Rongcheng Forgings Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Forged Seamless Rolled Ri 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 Fasteners category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Forged Seamless Rolled Ri — Shipping, Logistics & Customs
Importing Forged Seamless Rolled Ri 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 7215.00 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 Forged Seamless Rolled Ri
What is the wholesale price of Forged Seamless Rolled Rings?
The current listed wholesale price for Forged Seamless Rolled Rings from Jiangsu Rongcheng Forgings Co., Ltd. is $100/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 Jiangsu Rongcheng Forgings Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Forged Seamless Rolled Ri?
The supplier, Jiangsu Rongcheng Forgings Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Forged Seamless Rolled Ri. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Forged Seamless Rolled Rings?
For international shipping and customs clearance, Forged Seamless Rolled Rings is classified under HS Code 7215.00. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Forged Seamless Rolled Ri from China?
To import Forged Seamless Rolled Ri from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Jiangsu Rongcheng Forgings Co., Ltd.. Ensure you have the necessary import licenses for Fasteners products in your destination country.
Is Jiangsu Rongcheng Forgings Co., Ltd. a verified supplier?
Yes, Jiangsu Rongcheng Forgings 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 Forged Seamless Rolled Rings?
The key specifications for Forged Seamless Rolled Rings supplied by Jiangsu Rongcheng Forgings Co., Ltd. include Alloy Steel 4140 (AISI 4140), Carbon Steel A105 / ASTM A350 LF2, C 0.37-0.49%, Cr 0.80-1.10%, Mo 0.15-0.25%, Mn 0.65-1.10% (4140), and OD 200mm - 3000mm, ID 100mm - 2500mm, Height 50mm - 500mm (custom sizes 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 Forged Seamless Rolled Ri?
Jiangsu Rongcheng Forgings Co., Ltd. offers Forged Seamless Rolled Ri with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Forged Seamless Rolled Ri the most?
Forged Seamless Rolled Ri is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Jiangsu Rongcheng Forgings Co., Ltd. through our platform.
What certifications does this Forged Seamless Rolled Ri supplier hold?
Jiangsu Rongcheng Forgings Co., Ltd. maintains international quality certifications. These ensure that the Forged Seamless Rolled Ri meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Forged Seamless Rolled Rings on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Jiangsu Rongcheng Forgings 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 Jiangsu Rongcheng Forgings Co., Ltd..
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