Import Hot Rolled Steel 4340 Gearing Steel Bars — Buy in wholesale FOB from Supplier in China
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Hot Rolled Steel 4340 Gearing Steel Bars
Hot Rolled Steel 4340 Gearing Steel Bars are supplied by Dongguan Songshun Mould Steel Co., Ltd. in China. The bars are made from AISI 4340 nickel‑chromium‑molybdenum alloy steel and are offered as round sections with diameters from 10 mm to 600 mm and lengths between 2 000 mm and 5 700 mm. Flat‑bar alternatives are also listed, though the exact dimensions are not specified. All sizes conform to the supplier’s hot‑rolling process and meet ASTM/AMS alloy standards.
The 4340 alloy is renowned in the industry for its high tensile strength and fatigue resistance after appropriate heat treatment. Typical tensile strength for this grade lies between 1 080 MPa and 1 300 MPa, and typical hardness after tempering is 30 - 38 HRC. Standard mill tolerances for diameter are ±0.2 mm for bars under 100 mm and ±0.5 mm for larger sections. The material is widely used for gears, crankshafts and axle shafts in automotive, aerospace and heavy‑machinery manufacturing.
Buyers such as precision‑engineers and OEMs often request flexible minimum order quantities and robust crate or pallet packaging for safe transit. The supplier indicates ISO and BIS certification and offers FOB or CIF shipping terms. Payment can be arranged through L/C or T/T, but exact lead times are not disclosed and should be confirmed directly with the supplier.
| Material | AISI 4340 Nickel‑Chromium‑Molybdenum Alloy Steel |
| Standard | ASTM/AMS (standard) |
| Shape | Round bar (flat bar options also available) |
| Diameter | 10 mm - 600 mm |
| Length | 2 000 mm - 5 700 mm |
| Typical Tensile Strength | 1080 MPa - 1300 MPa (typical) |
| Typical Hardness (after heat treatment) | 30 HRC - 38 HRC (typical) |
| Typical Diameter Tolerance | ±0.2 mm (≤100 mm) / ±0.5 mm (>100 mm) (standard) |
| Packaging | Steel crates or pallets (typical) |
| Certifications | ISO, BIS |
Dongguan Songshun Mould Steel Co., Ltd. is located at No.4 Dongda Street, Sha Tou, Dongguan, China, and is listed as an imported‑tier supplier with a harbor trust tier. The company’s profile shows a response rate of 0 % and no recorded average response time, indicating that recent communication activity is not available. The supplier specialises in hot‑rolled alloy steel products for industrial applications.
The listing confirms that the company can provide ISO and BIS certified steel, but it does not disclose production capacity, exact lead times or detailed quality‑assurance procedures. Buyers should request material test certificates and heat‑treatment records directly. No additional corporate history or client references are provided in the source data.
AISI 4340 hot rolled steel bars are nickel-chromium-molybdenum alloy bars engineered for high-strength gearing, crankshaft, and axle applications in automotive, aerospace, and heavy machinery sectors. These hot rolled bars meet ASTM/AMS standards and offer superior toughness and fatigue resistance after heat treatment. Ideal for B2B import/export supply chains serving precision engineering and manufacturing buyers worldwide.
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Sourcing Hot Rolled Steel 4340 Gearing Steel Bars from Dongguan Songshun Mould Steel Co., Ltd. - China Import Guide
Before placing an order, verify that the material grade matches AISI 4340 and request the latest mill test report and any heat‑treatment certificates. Confirm that ISO and BIS certifications are current and that the supplier can provide traceability documentation for the batch you intend to purchase.
Discuss logistics early: the supplier offers FOB and CIF terms, but the precise lead time for production and shipment must be confirmed. Payment methods such as L/C or T/T are available, yet the buyer should agree on payment milestones that align with shipment schedules.
Arrange for third‑party inspection either at the factory or upon arrival, focusing on dimensional checks, hardness testing and surface condition. Request a full inspection report and any non‑conformance records to ensure the steel meets the required specifications for your application.
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30 suppliersBuy Hot Rolled Steel 4340 Gea in Bulk — Verified Supplier in China
When sourcing Hot Rolled Steel 4340 Gearing Steel Bars for your business, securing the right balance of quality and cost is essential. Dongguan Songshun Mould Steel Co., Ltd., a verified supplier based in China, offers this product with key specifications including SAE/AISI 4340 / UNS G43400 Low Alloy Steel, C 0.37-0.43%, Mn 0.60-0.80%, Cr 0.70-0.90%, Ni 1.65-2.00%, Mo 0.20-0.30%, Si 0.15-0.30%, and Round Bars: 20mm - 300mm dia; Flat Bars: Thickness 10-100mm, Width 50-300mm; Length: 3-6 meters (custom lengths available). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $840/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7228.20, making it a staple in the Steel Bars sector with strong demand from importing countries worldwide.
Hot Rolled Steel 4340 Gea Specifications, Trade Terms & Pricing
Importing Hot Rolled Steel 4340 Gea requires careful attention to shipping logistics, customs compliance, and secure payment terms. Dongguan Songshun Mould 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 7228.20 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 Dongguan Songshun Mould Steel Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Hot Rolled Steel 4340 Gea 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 Bars category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Hot Rolled Steel 4340 Gea — Shipping, Logistics & Customs
Importing Hot Rolled Steel 4340 Gea 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 7228.20 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 Hot Rolled Steel 4340 Gea
What is the wholesale price of Hot Rolled Steel 4340 Gearing Steel Bars?
The current listed wholesale price for Hot Rolled Steel 4340 Gearing Steel Bars from Dongguan Songshun Mould Steel Co., Ltd. is $840/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 Dongguan Songshun Mould Steel Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Hot Rolled Steel 4340 Gea?
The supplier, Dongguan Songshun Mould Steel Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Hot Rolled Steel 4340 Gea. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Hot Rolled Steel 4340 Gearing Steel Bars?
For international shipping and customs clearance, Hot Rolled Steel 4340 Gearing Steel Bars is classified under HS Code 7228.20. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Hot Rolled Steel 4340 Gea from China?
To import Hot Rolled Steel 4340 Gea from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Dongguan Songshun Mould Steel Co., Ltd.. Ensure you have the necessary import licenses for Steel Bars products in your destination country.
Is Dongguan Songshun Mould Steel Co., Ltd. a verified supplier?
Yes, Dongguan Songshun Mould 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.
What are the key specifications of Hot Rolled Steel 4340 Gearing Steel Bars?
The key specifications for Hot Rolled Steel 4340 Gearing Steel Bars supplied by Dongguan Songshun Mould Steel Co., Ltd. include SAE/AISI 4340 / UNS G43400 Low Alloy Steel, C 0.37-0.43%, Mn 0.60-0.80%, Cr 0.70-0.90%, Ni 1.65-2.00%, Mo 0.20-0.30%, Si 0.15-0.30%, and Round Bars: 20mm - 300mm dia; Flat Bars: Thickness 10-100mm, Width 50-300mm; Length: 3-6 meters (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 Hot Rolled Steel 4340 Gea?
Dongguan Songshun Mould Steel Co., Ltd. offers Hot Rolled Steel 4340 Gea with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Hot Rolled Steel 4340 Gea the most?
Hot Rolled Steel 4340 Gea is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Dongguan Songshun Mould Steel Co., Ltd. through our platform.
What certifications does this Hot Rolled Steel 4340 Gea supplier hold?
Dongguan Songshun Mould Steel Co., Ltd. maintains international quality certifications. These ensure that the Hot Rolled Steel 4340 Gea meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Hot Rolled Steel 4340 Gearing Steel Bars on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Dongguan Songshun Mould 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 Dongguan Songshun Mould Steel Co., Ltd..
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