Import Sae 4140 Alloy Structure Steel Rod Bars — Buy in wholesale FOB from Supplier in China
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SAE 4140 Alloy Structure Steel Rod Bars
Dongguan Songshun Mould Steel Co., Ltd. supplies SAE 4140 chromium‑molybdenum alloy steel rod bars manufactured in China. The rods are hot‑rolled or forged round bars that conform to SAE J404 and ASTM A29 specifications and deliver a tensile strength between 655 MPa and 895 MPa. Available diameters range from 20 mm to 200 mm with a standard length of 6 m per bar, and the supplier can provide custom lengths on request. The alloy composition follows the AISI/SAE 4140 grade, delivering the alloy’s recognised fatigue resistance.
Typical industry tolerances for these bars are ±0.2 mm on diameter and straightness within 0.5 mm per metre, which aligns with standard machining practices. The material’s usual density is 7.85 g cm‑3 and its typical yield strength lies between 460 MPa and 720 MPa, while a common hardness after normalising is 28‑32 HRC. Standard surface condition is hot‑rolled with a mill finish, and the bars are often supplied in a protective oil‑based coating for corrosion resistance. When required, the steel can be heat‑treated to a quenched and tempered condition to raise tensile strength toward the upper end of the specified range.
The high‑strength profile makes the bars suitable for automotive drivetrain components, hydraulic system cylinders and oil‑field equipment such as drill‑string parts. Procurement teams in machining workshops, OEMs and heavy‑industry fabricators commonly source these bars for custom forgings and machined shafts. The listing does not disclose minimum order quantities, exact pricing, lead times or incoterms, so buyers should confirm those details directly with the supplier. Packaging is typically supplied in bundled pallets with moisture‑resistant wrapping to preserve surface condition during transit.
| Material | Chromium‑Molybdenum alloy steel, AISI/SAE 4140 |
| Standard dimensions | Diameter 20 mm - 200 mm, Length 6 m |
| Tensile strength | 655 MPa - 895 MPa |
| Yield strength | typical 460 MPa - 720 MPa |
| Hardness | typical 28 HRC - 32 HRC |
| Density | typical 7.85 g cm‑3 |
| Surface finish | standard hot‑rolled mill finish |
| Diameter tolerance | typical ±0.2 mm |
| Heat treatment | typical quenched and tempered to achieve upper tensile range |
| Compliance | standard SAE J404, ASTM A29 |
Dongguan Songshun Mould Steel Co., Ltd. is located at No.4 Dongda Street, Sha Tou Dongguan 523850, China. It is listed as an imported‑tier supplier with a harbour trust tier, indicating verified trade capability. The company’s profile shows a response rate of 0 % and no recorded average response time, suggesting that communication may need to be initiated by the buyer.
The firm specialises in mould‑steel products and offers a range of alloy and carbon‑steel forms, including rods, plates and forgings. Its catalogue highlights compliance with international standards such as SAE J404 and SAE J403, though the listing does not provide specific certification documents. Prospective importers should request the latest mill test reports and any applicable quality certificates directly from the supplier.
SAE 4140 chromium molybdenum alloy steel rods are widely sourced for high-stress mechanical applications including automotive drivetrains, hydraulic systems, and oilfield equipment. These hot-rolled or forged round bars meet SAE J404 and ASTM A29 standards, offering tensile strength in the 655-895 MPa range with excellent fatigue resistance. EximNext supplies 4140 steel bars in diameters from 20mm to 200mm with 6-meter standard lengths, competitively priced for global import-export trade.
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Sourcing SAE 4140 Alloy Structure Steel Rod Bars from Dongguan Songshun Mould Steel Co., Ltd. - China Import Guide
Before placing an order, importers should request the latest mill test report that confirms chemical composition, tensile strength and heat‑treatment condition of the SAE 4140 bars. It is also prudent to verify the dimensional drawing for the specific diameter and length required, as custom sizes may affect machining allowances. Ensure that the supplier can provide a certificate of conformity to SAE J404 and ASTM A29, or be ready to obtain independent testing.
The listing does not disclose lead times, incoterms or payment schedules, so buyers must negotiate these terms directly. Typical arrangements for Chinese steel exporters include FOB or CIF to major ports such as Shanghai or Shenzhen, with payment via T/T against a commercial invoice or a confirmed LC. Clarify the expected shipping window, container loading plan and any partial‑shipment possibilities to align with production schedules.
For quality assurance, arrange a third‑party inspection at the supplier’s facility or upon arrival at the destination port, focusing on dimensions, surface condition and mechanical test results. Request a Certificate of Origin, a detailed packing list and any available heat‑treatment certificates. Maintaining a record of these documents will facilitate customs clearance and help verify that the delivered bars meet the agreed specifications.
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30 suppliersBuy Sae 4140 Alloy Structure in Bulk — Verified Supplier in China
When sourcing Sae 4140 Alloy Structure Steel Rod 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 4140 / Chromoly (Cr-Mo alloy), 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 Diameter: 20mm - 150mm; Length: 3m - 6m (custom lengths available). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $800/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7214.99, making it a staple in the Steel Bars sector with strong demand from importing countries worldwide.
Sae 4140 Alloy Structure Specifications, Trade Terms & Pricing
Importing Sae 4140 Alloy Structure 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 7214.99 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 Sae 4140 Alloy Structure 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 Sae 4140 Alloy Structure — Shipping, Logistics & Customs
Importing Sae 4140 Alloy Structure 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 7214.99 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 Sae 4140 Alloy Structure
What is the wholesale price of Sae 4140 Alloy Structure Steel Rod Bars?
The current listed wholesale price for Sae 4140 Alloy Structure Steel Rod Bars from Dongguan Songshun Mould Steel Co., Ltd. is $800/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 Sae 4140 Alloy Structure?
The supplier, Dongguan Songshun Mould Steel Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Sae 4140 Alloy Structure. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Sae 4140 Alloy Structure Steel Rod Bars?
For international shipping and customs clearance, Sae 4140 Alloy Structure Steel Rod Bars is classified under HS Code 7214.99. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Sae 4140 Alloy Structure from China?
To import Sae 4140 Alloy Structure 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 Sae 4140 Alloy Structure Steel Rod Bars?
The key specifications for Sae 4140 Alloy Structure Steel Rod Bars supplied by Dongguan Songshun Mould Steel Co., Ltd. include SAE/AISI 4140 / Chromoly (Cr-Mo alloy), 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 Diameter: 20mm - 150mm; Length: 3m - 6m (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 Sae 4140 Alloy Structure?
Dongguan Songshun Mould Steel Co., Ltd. offers Sae 4140 Alloy Structure with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Sae 4140 Alloy Structure the most?
Sae 4140 Alloy Structure 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 Sae 4140 Alloy Structure supplier hold?
Dongguan Songshun Mould Steel Co., Ltd. maintains international quality certifications. These ensure that the Sae 4140 Alloy Structure meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Sae 4140 Alloy Structure Steel Rod 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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