Import 4140 Alloy Steel Bar — Buy in wholesale FOB from Supplier in China
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4140 Alloy Steel Bar
The 4140 alloy steel bar from Dongguan Songshun Mould Steel is a chromium molybdenum alloy steel (AISI 4140/SAE 4041) designed for high-stress mechanical applications. It is supplied in hot rolled, cold drawn, or normalized conditions, with maximum dimensions of 800mm diameter and 9000mm length for round bars, and plates up to 800mm thickness, 2200mm width, and 9000mm length. The material’s composition delivers superior tensile strength and impact resistance compared to standard carbon steels, making it a preferred choice for gears, shafts, and structural components in machinery manufacturing and heavy equipment sectors.
This grade features a slightly higher carbon content than 4130, enhancing its hardness and heat treatment response. It meets international standards such as ASTM A29 and SAE J404, ensuring compatibility with global trade requirements. Typical chromium content ranges from 0.80 to 1.10%, molybdenum from 0.15 to 0.25%, and carbon from 0.38 to 0.43%, providing a balance of strength and machinability. Industry practice often includes heat treatment processes like quenching and tempering to achieve desired mechanical properties for specific applications.
Common buyers include manufacturers in the oil and gas sector, where it is used for connection rods, collets, and pump shafts, as well as automotive and industrial machinery producers. The supplier offers custom sizes beyond standard dimensions, with packaging optimized for 20ft and 40ft containers (each with a gross weight limit of 27 tonnes). Importers should confirm dimensional tolerances and surface finish requirements, as these can vary based on the production method and intended use.
| Material Grade | AISI 4140 / SAE 4140 |
| Primary Alloying Elements | Chromium (Cr 0.80-1.10%), Molybdenum (Mo 0.15-0.25%) |
| Carbon Content | 0.38-0.43% |
| Condition | Hot rolled, cold drawn, or normalized |
| Round Bar Diameter (max) | 800 mm |
| Round Bar Length (max) | 9000 mm |
| Plate Thickness (max) | 800 mm |
| Plate Width (max) | 2200 mm |
| Plate Length (max) | 9000 mm |
| Typical Tensile Strength | 850-1000 MPa (heat treated) |
| Typical Hardness | 200-250 HB (annealed) |
| Packaging | 20ft container (max GW 27t), 40ft container (max GW 27t) |
| Standards Compliance | ASTM A29, SAE J404 |
| Typical Applications | Gears, shafts, structural parts, oilfield components |
Dongguan Songshun Mould Steel Co., Ltd. operates from No.4 Dongda Street, Sha Tou, Dongguan, Guangdong Province, China. The company specializes in alloy steel products, with a focus on supplying materials for machinery manufacturing, automotive, and heavy equipment industries. Its product range includes chromium molybdenum alloy steels like 4140, tailored for applications requiring high mechanical performance and durability.
The supplier’s profile indicates an imported tier classification and a harbor trust tier, though its response rate and average response time are currently listed as zero. Buyers should verify the supplier’s communication responsiveness and production capacity directly, as these details are not confirmed in the available data. The company’s ability to provide custom sizes and adherence to international standards like ASTM A29 positions it as a viable source for industrial-grade alloy steel bars.
4140 alloy steel bar is a chromium molybdenum alloy steel widely used in machinery manufacturing, automotive components, and heavy equipment applications. This grade offers superior tensile strength and impact resistance compared to standard carbon steels, making it ideal for gears, shafts, and structural parts requiring high mechanical performance. Available in hot rolled, cold drawn, and normalized conditions, 4140 bars meet international standards such as ASTM A29 and SAE J404 for global trade.
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Sourcing 4140 Alloy Steel Bar from Dongguan Songshun Mould Steel Co., Ltd. - China Import Guide
Before ordering, verify the supplier’s ability to meet your dimensional and tolerance requirements, as these can vary based on production methods. Request certification documents for the material grade (AISI 4140) and compliance with ASTM A29 or SAE J404 standards to ensure the product meets your technical specifications. Confirm whether the material is supplied in hot rolled, cold drawn, or normalized condition, as this affects its mechanical properties.
Discuss logistics details, including lead times for custom sizes and standard dimensions. Clarify Incoterms (e.g., FOB, CFR) and payment terms, as these are not specified in the listing. For containerized shipments, confirm the supplier’s ability to load 20ft or 40ft containers to their maximum gross weight of 27 tonnes, and request details on securing and protecting the material during transit.
Conduct quality checks upon receipt, including dimensional verification, surface inspection, and hardness testing if applicable. For critical applications, arrange third-party inspection or request mill test certificates to validate the material’s chemical composition and mechanical properties. Ensure all documentation, such as packing lists and certificates of compliance, is provided and aligns with your purchase order requirements.
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30 suppliersBuy 4140 Alloy Steel Bar in Bulk — Verified Supplier in China
When sourcing 4140 Alloy 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/SAE 4140 / 42CrMo4 / SCM 440, C 0.38-0.43%, Mn 0.75-1.20%, Cr 0.80-1.10%, Mo 0.15-0.25%, Si 0.15-0.30%, and Round bars 12mm to 300mm diameter; lengths 3m, 6m, or cut-to-size. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $9501,350./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. This product is actively traded under HS Code 7224.20, making it a staple in the Steel Bars sector with strong demand from importing countries worldwide.
4140 Alloy Steel Bar Specifications, Trade Terms & Pricing
Importing 4140 Alloy Steel Bar 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 7224.20 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 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 4140 Alloy Steel Bar 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 global B2B marketplace. Start your sourcing journey today.
Import 4140 Alloy Steel Bar — Shipping, Logistics & Customs
Importing 4140 Alloy Steel Bar 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 7224.20 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 4140 Alloy Steel Bar
What is the wholesale price of 4140 Alloy Steel Bar?
The current listed wholesale price for 4140 Alloy Steel Bar from Dongguan Songshun Mould Steel Co., Ltd. is $9501,350./Unit 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 4140 Alloy Steel Bar?
The supplier, Dongguan Songshun Mould Steel Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Unit for 4140 Alloy Steel Bar. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for 4140 Alloy Steel Bar?
For international shipping and customs clearance, 4140 Alloy Steel Bar is classified under HS Code 7224.20. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import 4140 Alloy Steel Bar from China?
To import 4140 Alloy Steel Bar 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 4140 Alloy Steel Bar?
The key specifications for 4140 Alloy Steel Bar supplied by Dongguan Songshun Mould Steel Co., Ltd. include AISI/SAE 4140 / 42CrMo4 / SCM 440, C 0.38-0.43%, Mn 0.75-1.20%, Cr 0.80-1.10%, Mo 0.15-0.25%, Si 0.15-0.30%, and Round bars 12mm to 300mm diameter; lengths 3m, 6m, or cut-to-size. 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 4140 Alloy Steel Bar?
Dongguan Songshun Mould Steel Co., Ltd. offers 4140 Alloy Steel Bar with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import 4140 Alloy Steel Bar the most?
4140 Alloy Steel Bar 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 4140 Alloy Steel Bar supplier hold?
Dongguan Songshun Mould Steel Co., Ltd. maintains international quality certifications. These ensure that the 4140 Alloy Steel Bar meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for 4140 Alloy 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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