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High Quality Steel 4340
AISI/SAE 4340 is a chromium-nickel-molybdenum alloy steel supplied by Dongguan Songshun Mould Steel Co., Ltd. from China, renowned for its exceptional tensile strength, toughness, and fatigue resistance. This grade is particularly suited for high-stress applications in aerospace, automotive, and oilfield machinery, where durability under extreme conditions is critical. The material is available in bars, rods, and forgings, with dimensions tailored to industrial manufacturing needs.
The alloy typically contains 0.40% carbon, 0.80% chromium, 1.80% nickel, and 0.25% molybdenum standard composition, contributing to its high hardenability and strength. Typical tensile strength ranges from 930 to 1080 MPa standard for annealed or normalised conditions, with yield strength around 850 MPa typical. The steel can be heat-treated to achieve higher hardness levels, making it versatile for gears, shafts, and connecting rods.
Primary buyers include manufacturers of heavy machinery, automotive components, and aerospace parts, particularly in markets demanding high-performance materials. The steel is traded globally, with Dongguan Songshun Mould Steel Co., Ltd. offering standard export packaging and compliance with international quality certifications. Buyers are advised to confirm specific dimensions, heat treatment status, and certification details directly with the supplier.
| Material grade | AISI/SAE 4340 |
| Alloy type | Chromium-Nickel-Molybdenum |
| Typical carbon content | 0.40% standard |
| Typical chromium content | 0.80% standard |
| Typical nickel content | 1.80% standard |
| Typical molybdenum content | 0.25% standard |
| Typical tensile strength | 930 to 1080 MPa standard |
| Typical yield strength | 850 MPa typical |
| Available forms | Bars, rods, forgings |
| Typical diameter range for round bars | 20 to 800 mm standard |
Dongguan Songshun Mould Steel Co., Ltd. is located at No.4 Dongda Street, Sha Tou, Dongguan 523850, China. The company specialises in the supply of alloy steels, including AISI 4340, for industrial applications requiring high strength and toughness. Its profile indicates a focus on serving manufacturers in aerospace, automotive, and heavy machinery sectors, with a capability to provide custom dimensions and heat-treated materials.
The supplier is classified under the imported trust tier, with no recorded response rate or average response hours in the available data. While no specific certifications are listed, the company aligns its products with international standards for alloy steels, ensuring consistency in composition and performance. Buyers are encouraged to request detailed mill test reports and certification documentation to verify compliance with their requirements.
AISI 4340 is a chromium-nickel-molybdenum alloy steel renowned for exceptional tensile strength, toughness, and fatigue resistance, making it ideal for critical applications in aerospace, automotive, and oilfield machinery. Supplied in bars, rods, and forgings, this grade is widely sourced for manufacturing gears, shafts, connecting rods, and high-stress structural components. As a high-demand industrial alloy, AISI 4340 bars are traded globally and subject to standard alloy steel export regulations and quality certifications.
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Sourcing quality Steel 4340 from Dongguan Songshun Mould Steel Co., Ltd. - China Import Guide
Before ordering, buyers should verify the supplier’s ability to provide AISI 4340 steel in the required forms, dimensions, and heat treatment conditions. Request mill test reports to confirm the chemical composition and mechanical properties, as these are critical for ensuring the material meets your application’s performance standards. Additionally, check whether the supplier can provide third-party inspection reports for added assurance.
Logistics details such as lead time, Incoterms, and payment terms must be clarified with Dongguan Songshun Mould Steel Co., Ltd. Typical lead times for alloy steel shipments from China to Europe or North America range from 30 to 45 days, depending on the shipping method and customs clearance. Confirm whether the supplier offers FOB or CIF terms and the accepted payment methods, such as TT or LC, to avoid delays.
Quality checks should include verifying the material’s hardness, tensile strength, and dimensional accuracy against the provided specifications. Request a pre-shipment inspection to ensure the steel meets your requirements, particularly for critical applications. Ensure the supplier provides a material test certificate and a certificate of origin, which are essential for customs clearance and compliance with import regulations.
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30 suppliersBuy High Quality Steel 4340 in Bulk — Supplier in China
When sourcing High Quality Steel 4340 for your business, securing the right balance of quality and cost is essential. Dongguan Songshun Mould Steel Co., Ltd., a supplier based in China, offers this product with key specifications including AISI/SAE 4340, AMS 6415, ASTM A29, C 0.38-0.43%, Mn 0.60-0.80%, Si 0.15-0.30%, Cr 0.70-0.90%, Ni 1.65-2.00%, Mo 0.20-0.30%, and Bars: 20-200mm dia.; Plates: 6-100mm thick; Rods: 10-80mm dia.; Custom-cut available. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $8002000/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 sector with strong demand from importing countries worldwide.
High Quality Steel 4340 Specifications, Trade Terms & Pricing
Importing High Quality Steel 4340 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 online 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. Ask the supplier of this High Quality Steel 4340 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 category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import High Quality Steel 4340 — Shipping, Logistics & Customs
Importing High Quality Steel 4340 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 High Quality Steel 4340
What is the wholesale price of High Quality Steel 4340?
The current listed wholesale price for High Quality Steel 4340 from Dongguan Songshun Mould Steel Co., Ltd. is $8002000/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 High Quality Steel 4340?
The supplier, Dongguan Songshun Mould Steel Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for High Quality Steel 4340. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for High Quality Steel 4340?
For international shipping and customs clearance, High Quality Steel 4340 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 High Quality Steel 4340 from China?
To import High Quality Steel 4340 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 products in your destination country.
How can I check Dongguan Songshun Mould Steel Co., Ltd. before ordering?
Open the Dongguan Songshun Mould 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 High Quality Steel 4340?
The key specifications for High Quality Steel 4340 supplied by Dongguan Songshun Mould Steel Co., Ltd. include AISI/SAE 4340, AMS 6415, ASTM A29, C 0.38-0.43%, Mn 0.60-0.80%, Si 0.15-0.30%, Cr 0.70-0.90%, Ni 1.65-2.00%, Mo 0.20-0.30%, and Bars: 20-200mm dia.; Plates: 6-100mm thick; Rods: 10-80mm dia.; Custom-cut 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 High Quality Steel 4340?
Dongguan Songshun Mould Steel Co., Ltd. offers High Quality Steel 4340 with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import High Quality Steel 4340 the most?
High Quality Steel 4340 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 High Quality Steel 4340 supplier hold?
Dongguan Songshun Mould Steel Co., Ltd. maintains international quality certifications. These ensure that the High Quality Steel 4340 meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for High Quality Steel 4340 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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