Import Alloy Steel Aisi 4340 Steel Bar — Buy in wholesale FOB from Supplier in China
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Alloy Steel AISI 4340 Steel Bar from Dongguan Songshun Mould Steel Co., Ltd. is a chromium-nickel-molybdenum alloy steel known for its exceptional tensile strength, toughness, and fatigue resistance. This grade meets ASTM A322 and AMS 6350 standards and is available in hot-rolled, forged, or cold-drawn finishes. The supplier provides bars in diameters ranging from 10mm to 300mm, catering to aerospace, automotive, and heavy machinery applications where high performance is non-negotiable.
The addition of nickel in AISI 4340 enhances its impact resistance and low-temperature toughness, making it a preferred material for components subjected to dynamic loads, such as aircraft landing gear, crankshafts, and hydraulic cylinders. Typical industry practice includes sourcing this grade with a standard length of 3 to 6 metres, though custom lengths may be negotiated. The alloy’s deep hardenability allows for uniform mechanical properties across thick sections, a critical feature for large or complex parts.
Buyers of AISI 4340 typically include manufacturers in high-stress environments, such as aerospace, defence, and industrial machinery, where material failure is not an option. The product is traded globally in bulk packaging, with export-ready bundling to ensure safe transit. Confirm specific packaging, incoterms, and lead times directly with Dongguan Songshun Mould Steel Co., Ltd., as these details are essential for planning production schedules and logistics.
| Grade | AISI 4340 |
| Material Composition | Cr-Ni-Mo alloy (typical: Cr 0.70-0.90%, Ni 1.65-2.00%, Mo 0.20-0.30%, C 0.38-0.43%) |
| Standards | ASTM A322, AMS 6350 |
| Finish | Hot rolled, forged, or cold drawn |
| Diameter Range | 10mm to 300mm |
| Typical Length | 3 to 6 metres (standard) |
| Tensile Strength | 900-1100 MPa (typical, heat-treated) |
| Yield Strength | 750-900 MPa (typical, heat-treated) |
| Elongation | 15-20% (typical, heat-treated) |
| Impact Resistance | High, due to Ni content |
| Hardenability | Deep, suitable for thick sections |
Dongguan Songshun Mould Steel Co., Ltd. supplies AISI 4340 Steel Bar from its facility at No.4 Dongda Street, Sha Tou, Dongguan 523850, China. The company specialises in high-performance alloy steels, with a focus on chromium-nickel-molybdenum grades like 4340, which are critical for industries requiring superior mechanical properties. Its product range includes hot-rolled, forged, and cold-drawn bars, all adhering to stringent international standards.
As an imported-tier supplier, Dongguan Songshun Mould Steel Co., Ltd. caters to global buyers, particularly in aerospace, automotive, and heavy machinery sectors. While the supplier’s current response rate and average response hours are listed as 0.00, this may indicate recent updates or temporary unavailability. Buyers are encouraged to reach out directly to confirm trade terms, including MOQ, lead times, and certifications, as these details are not explicitly provided in the available data.
AISI 4340 steel bar is a premium chromium-molybdenum-nickel alloy steel bar with exceptional tensile strength, toughness, and fatigue resistance, making it ideal for aerospace, automotive, and heavy machinery applications. This 4340 alloy steel meets ASTM A322 and AMS 6350 standards, available in hot rolled, forged, or cold drawn finish in diameters from 10mm to 300mm. Widely sourced from major producing regions including China, India, and Germany, AISI 4340 steel bars are traded globally for import-export in bulk packaging for industrial manufacturing supply chains.
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Sourcing Alloy Steel AISI 4340 Steel Bar from Dongguan Songshun Mould Steel Co., Ltd. - China Import Guide
Before placing an order for AISI 4340 from Dongguan Songshun Mould Steel Co., Ltd., request detailed mill test certificates to verify the chemical composition and mechanical properties. These certificates should confirm compliance with ASTM A322 and AMS 6350 standards, ensuring the material meets your project’s specifications. Additionally, ask for third-party inspection reports if your application demands stricter quality assurance, such as aerospace or defence projects.
Clarify logistics details, including lead time, which may depend on the mill’s production schedule and current demand for chromium-nickel-molybdenum alloy steels. Discuss incoterms such as FOB or CIF to define cost responsibilities and delivery points, and agree on payment terms like L/C or T/T. For bulk orders, negotiate packaging specifications to protect the material during transit, especially for long-distance shipping to international destinations.
Upon receipt, perform quality checks to verify dimensions, surface finish, and absence of defects such as cracks or excessive scale. For critical applications, conduct additional tests, including hardness, tensile strength, and impact resistance, to ensure the material meets performance expectations. Review all documentation, such as certificates of origin and compliance, to confirm the shipped material matches your order. Address any discrepancies with the supplier promptly to avoid production delays.
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30 suppliersBuy Alloy Steel Aisi 4340 Ste in Bulk — Verified Supplier in China
When sourcing Alloy Steel Aisi 4340 Steel Bar 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 AISI 4340 / UNS G43400, Low-Alloy High-Tensile Steel, C 0.28-0.33%, Cr 0.70-0.90%, Mo 0.20-0.30%, Ni 1.65-2.00%, Mn 0.60-0.80%, Si 0.15-0.30%, P max 0.035%, S max 0.040%, and Round bars: diameter 10mm to 300mm; standard lengths 3m, 6m, or cut-to-size; custom dimensions available on request. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1200/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.
Alloy Steel Aisi 4340 Ste Specifications, Trade Terms & Pricing
Importing Alloy Steel Aisi 4340 Ste 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 import export 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 Alloy Steel Aisi 4340 Ste 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 online B2B marketplace. Start your sourcing journey today.
Import Alloy Steel Aisi 4340 Ste — Shipping, Logistics & Customs
Importing Alloy Steel Aisi 4340 Ste 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 Alloy Steel Aisi 4340 Ste
What is the wholesale price of Alloy Steel Aisi 4340 Steel Bar?
The current listed wholesale price for Alloy Steel Aisi 4340 Steel Bar from Dongguan Songshun Mould Steel Co., Ltd. is $1200/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 Alloy Steel Aisi 4340 Ste?
The supplier, Dongguan Songshun Mould Steel Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Alloy Steel Aisi 4340 Ste. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Alloy Steel Aisi 4340 Steel Bar?
For international shipping and customs clearance, Alloy Steel Aisi 4340 Steel Bar 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 Alloy Steel Aisi 4340 Ste from China?
To import Alloy Steel Aisi 4340 Ste 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 Alloy Steel Aisi 4340 Steel Bar?
The key specifications for Alloy Steel Aisi 4340 Steel Bar supplied by Dongguan Songshun Mould Steel Co., Ltd. include AISI 4340 / UNS G43400, Low-Alloy High-Tensile Steel, C 0.28-0.33%, Cr 0.70-0.90%, Mo 0.20-0.30%, Ni 1.65-2.00%, Mn 0.60-0.80%, Si 0.15-0.30%, P max 0.035%, S max 0.040%, and Round bars: diameter 10mm to 300mm; standard lengths 3m, 6m, or cut-to-size; custom dimensions available on request. 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 Alloy Steel Aisi 4340 Ste?
Dongguan Songshun Mould Steel Co., Ltd. offers Alloy Steel Aisi 4340 Ste with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Alloy Steel Aisi 4340 Ste the most?
Alloy Steel Aisi 4340 Ste 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 Alloy Steel Aisi 4340 Ste supplier hold?
Dongguan Songshun Mould Steel Co., Ltd. maintains international quality certifications. These ensure that the Alloy Steel Aisi 4340 Ste meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Alloy Steel Aisi 4340 Steel Bar 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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