Import Alloy Steel Aisi 4140 Black Steel — Buy in wholesale FOB from Supplier in China
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Alloy Steel Aisi 4140 Black Steel
Alloy Steel AISI 4140 Black Steel from Dongguan Songshun Mould Steel Co., Ltd. is a chromium molybdenum alloy bar grade with a composition of Cr 0.80-1.10%, Mo 0.15-0.25%, and C 0.38-0.43%. This hot-rolled or forged steel is supplied in rod and bar form, conforming to AISI/ASTM standards, and is internationally recognised as SCM440. Its black finish indicates a mill-scale surface typical of hot-rolled products, suitable for industrial applications requiring high tensile strength and toughness.
The material’s chromium and molybdenum content enhances hardenability and wear resistance, making it a preferred choice for gears, shafts, axles, and drill collars in automotive, machinery, and oilfield sectors. Typical industry practice includes sourcing this grade in diameters ranging from 20mm to 500mm, with a standard length of 6 metres, though exact dimensions depend on the mill’s production run. The alloy’s carbon range balances strength and ductility, allowing it to withstand high-stress environments without sacrificing machinability.
Buyers of this grade often include manufacturers of heavy-duty components for construction, mining, and energy sectors, where reliability under cyclic loading is critical. Trade terms for this product typically involve bulk packaging, with export-ready bundling and strapping to prevent damage during transit. Confirm packaging specifications and incoterms directly with Dongguan Songshun Mould Steel Co., Ltd., as these may vary based on order size and destination port.
| Grade | AISI 4140 (SCM440) |
| Material Composition | Cr 0.80-1.10%, Mo 0.15-0.25%, C 0.38-0.43% |
| Finish | Black (hot-rolled mill scale) |
| Form | Rod and bar |
| Standard | AISI/ASTM |
| Typical Diameter Range | 20mm to 500mm (standard) |
| Typical Length | 6 metres (standard) |
| Tensile Strength | 850-1000 MPa (typical, heat-treated) |
| Yield Strength | 655-755 MPa (typical, heat-treated) |
| Hardenability | High, due to Cr and Mo content |
| Packaging | Bulk export bundling with strapping |
Dongguan Songshun Mould Steel Co., Ltd. is based at No.4 Dongda Street, Sha Tou, Dongguan 523850, China, and operates as an imported-tier supplier in the alloy steel market. The company specialises in chromium molybdenum alloy steels, including AISI 4140, catering to industrial buyers in automotive, machinery, and oilfield sectors. Its product range includes hot-rolled, forged, and cold-drawn bars, adhering to international standards such as AISI and ASTM.
The supplier’s profile indicates a focus on export-ready products, with standard mill packaging designed for bulk shipping. While the response rate and average response hours are currently listed as 0.00, this may reflect recent updates or temporary unavailability. Buyers are advised to contact the supplier directly to confirm current trade terms, including MOQ, lead times, and incoterms, as these details are not explicitly stated in the available data.
AISI 4140 black steel is a chromium molybdenum alloy bar grade widely used in automotive, machinery, and oilfield applications for its high tensile strength and toughness. This hot-rolled or forged alloy steel bar conforms to AISI/ASTM standards and is suitable for gears, shafts, axles, and drill collars. Commonly sourced as SCM440 internationally, it is traded in rod and bar form with standard mill packaging for export. Market pricing reflects current alloy surcharges and mill origin.
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Sourcing Alloy Steel AISI 4140 Black Steel from Dongguan Songshun Mould Steel Co., Ltd. - China Import Guide
Before ordering AISI 4140 from Dongguan Songshun Mould Steel Co., Ltd., verify the exact chemical composition and mechanical properties to ensure they meet your application’s requirements. Request mill test certificates to confirm compliance with AISI/ASTM standards, as these documents provide traceability and assurance of material quality. Additionally, check whether the supplier can provide third-party inspection reports if your project demands stricter quality control.
Confirm logistics details such as lead time, which may vary based on the mill’s production schedule and current demand for chromium molybdenum alloy steels. Discuss incoterms like FOB or CIF to clarify cost responsibilities and delivery points, and agree on payment terms such as L/C or T/T. For bulk orders, negotiate packaging specifications to ensure the material arrives in optimal condition, especially for long-distance shipping to international ports.
Conduct quality checks upon receipt, focusing on dimensions, surface finish, and absence of defects like cracks or excessive scale. For critical applications, perform additional tests such as hardness or tensile strength verification. Ensure all documentation, including certificates of origin and compliance, is complete and accurately reflects the shipped material. Address any discrepancies with the supplier immediately to avoid delays in production or further processing.
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30 suppliersBuy Alloy Steel Aisi 4140 Bla in Bulk — Verified Supplier in China
When sourcing Alloy Steel Aisi 4140 Black Steel 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 4140 / SCM440 / 42CrMo4, C 0.38-0.43%, Cr 0.80-1.10%, Mo 0.15-0.25%, Mn 0.75-1.00%, Si 0.15-0.30%, and Dia 20mm - 200mm rounds; flat bars 20-150mm width; lengths 3-6 meters (custom cut available). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $8501,200./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. This product is actively traded under HS Code 7228.30, making it a staple in the Steel sector with strong demand from importing countries worldwide.
Alloy Steel Aisi 4140 Bla Specifications, Trade Terms & Pricing
Importing Alloy Steel Aisi 4140 Bla 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 7228.30 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 4140 Bla 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 category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import Alloy Steel Aisi 4140 Bla — Shipping, Logistics & Customs
Importing Alloy Steel Aisi 4140 Bla 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 7228.30 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 4140 Bla
What is the wholesale price of Alloy Steel Aisi 4140 Black Steel?
The current listed wholesale price for Alloy Steel Aisi 4140 Black Steel from Dongguan Songshun Mould Steel Co., Ltd. is $8501,200./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 Alloy Steel Aisi 4140 Bla?
The supplier, Dongguan Songshun Mould Steel Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Unit for Alloy Steel Aisi 4140 Bla. 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 4140 Black Steel?
For international shipping and customs clearance, Alloy Steel Aisi 4140 Black Steel is classified under HS Code 7228.30. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Alloy Steel Aisi 4140 Bla from China?
To import Alloy Steel Aisi 4140 Bla 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.
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 4140 Black Steel?
The key specifications for Alloy Steel Aisi 4140 Black Steel supplied by Dongguan Songshun Mould Steel Co., Ltd. include AISI 4140 / SCM440 / 42CrMo4, C 0.38-0.43%, Cr 0.80-1.10%, Mo 0.15-0.25%, Mn 0.75-1.00%, Si 0.15-0.30%, and Dia 20mm - 200mm rounds; flat bars 20-150mm width; lengths 3-6 meters (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 Alloy Steel Aisi 4140 Bla?
Dongguan Songshun Mould Steel Co., Ltd. offers Alloy Steel Aisi 4140 Bla 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 4140 Bla the most?
Alloy Steel Aisi 4140 Bla 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 4140 Bla supplier hold?
Dongguan Songshun Mould Steel Co., Ltd. maintains international quality certifications. These ensure that the Alloy Steel Aisi 4140 Bla meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Alloy Steel Aisi 4140 Black Steel 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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