Import Sae4140 Alloy Steel Bar Manufacturer In China — Buy in wholesale FOB from Supplier in China
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Sae4140 Alloy Steel Bar Manufacturer In China
The SAE4140 alloy steel bar is a chromium‑molybdenum grade containing 0.38‑0.43 % carbon, 0.80‑1.10 % chromium and 0.15‑0.25 % molybdenum, giving it high tensile strength and fatigue resistance. It is supplied in diameters from 16 mm up to 330 mm, with either a precision‑ground or hot‑rolled surface as required. Heat‑treatment options include normalized, tempered or annealed conditions, allowing performance to be matched to the component design. These bars are commonly used for shafts, gears and heavy‑duty machinery parts in automotive, aerospace and construction sectors.
The chemical makeup places SAE4140 within the 42CrMo4 family, which typically exhibits tensile strengths of 850‑1080 MPa and hardness values of 277‑332 HB after appropriate heat treatment. Standard specifications such as EN 10277‑2 and ASTM A322 govern dimensional tolerances and mechanical testing for this grade. Industry practice also calls for a surface roughness Ra ≤ 1.6 µm for precision‑ground bars, while hot‑rolled bars meet a Ra ≤ 3.2 µm. These attributes ensure reliable performance under cyclic loading and high‑stress environments.
Wanfang Steel Group Co., Limited operates as an imported‑tier supplier with a harbour‑level trust rating, located at No.4778 Shengli East Street, Weifang, Shandong, China. The company produces SAE4140 bars for export and offers ISO and SGS certifications to substantiate quality. Buyers should request mill test reports and confirm the chosen heat‑treatment condition before finalising a purchase. Trade terms such as FOB or CIF can be negotiated, and the supplier is prepared to discuss flexible minimum order quantities for bulk shipments.
| Material Grade | SAE 4140 (also known as 42CrMo4, 42CrMo) |
| Carbon Content (C) | 0.38‑0.43 % |
| Chromium Content (Cr) | 0.80‑1.10 % |
| Molybdenum Content (Mo) | 0.15‑0.25 % |
| Diameter Range | 16 mm - 330 mm |
| Surface Finish | Precision ground or hot‑rolled (as specified) |
| Heat Treatment Options | Normalized, tempered, annealed (per order) |
| Typical Tensile Strength | typical 850‑1080 MPa |
| Typical Hardness | typical 277‑332 HB |
| Standard Specification | EN 10277‑2 / ASTM A322 |
Wanfang Steel Group Co., Limited is based in Weifang, Shandong Province, China, at No.4778 Shengli East Street. The firm is classified as an imported‑tier supplier with a harbour‑level trust tier, and its response metrics show a current response rate of 0.00, indicating that enquiries are handled through formal channels rather than immediate replies.
The company specialises in the production of alloy steel bars, including the SAE4140 grade, and supports international shipments with ISO and SGS certification documentation. While the listing does not disclose specific production capacity or employee count, it confirms capability to meet export‑quality requirements and to cooperate on customized heat‑treatment and surface‑finish specifications.
EximNext supplies premium SAE 4140 alloy steel bars manufactured in China, a chromium-molybdenum grade renowned for high tensile strength and fatigue resistance. These bars are widely used in automotive components, machinery parts, and oilfield equipment. As a China-based manufacturer, we offer competitive pricing for international buyers with reliable export logistics and quality certifications included.
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Sourcing SAE4140 Alloy Steel Bar from Wanfang Steel Group Co., Limited - China Import Guide
Before placing an order, importers should verify the mill test report, chemical analysis certificate and the heat‑treatment specification for each batch. Requesting a dimensional inspection report will confirm that the bars meet the agreed tolerances, especially for critical diameters above 100 mm.
Logistics for steel bars typically involve FOB loading at the nearest Chinese port or CIF delivery to the destination port. Lead times vary with order size and heat‑treatment requirements, so confirm the expected schedule and payment terms such as T/T or L/C with the supplier prior to contract signing.
To assure quality on arrival, arrange a third‑party inspection - for example SGS or an equivalent - to check surface condition, dimensional accuracy and mechanical properties. Obtain the certificate of origin, test reports and any relevant export documentation to facilitate customs clearance in the destination country.
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30 suppliersBuy Sae4140 Alloy Steel Bar M in Bulk — Verified Supplier in China
When sourcing Sae4140 Alloy Steel Bar Manufacturer In China for your business, securing the right balance of quality and cost is essential. Wanfang Steel Group Co., Limited, a verified supplier based in China, offers this product with key specifications including SAE/AISI 4140 (Chromoly Steel), C 0.38-0.43%, Cr 0.80-1.10%, Mn 0.75-1.00%, Mo 0.15-0.25%, Si 0.15-0.30%, and Round Bar Dia. 20mm - 300mm; Length 3m - 6m (or custom). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $350/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.
Sae4140 Alloy Steel Bar M Specifications, Trade Terms & Pricing
Importing Sae4140 Alloy Steel Bar M requires careful attention to shipping logistics, customs compliance, and secure payment terms. Wanfang Steel Group Co., Limited 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 B2B marketplace designed to make cross-border trade secure and efficient.
About Wanfang Steel Group Co., Limited — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Sae4140 Alloy Steel Bar M 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 Sae4140 Alloy Steel Bar M — Shipping, Logistics & Customs
Importing Sae4140 Alloy Steel Bar M 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 Sae4140 Alloy Steel Bar M
What is the wholesale price of Sae4140 Alloy Steel Bar Manufacturer In China?
The current listed wholesale price for Sae4140 Alloy Steel Bar Manufacturer In China from Wanfang Steel Group Co., Limited is $350/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 Wanfang Steel Group Co., Limited through EximNext.
What is the Minimum Order Quantity (MOQ) for Sae4140 Alloy Steel Bar M?
The supplier, Wanfang Steel Group Co., Limited, has set a Minimum Order Quantity (MOQ) of 1 Bags for Sae4140 Alloy Steel Bar M. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Sae4140 Alloy Steel Bar Manufacturer In China?
For international shipping and customs clearance, Sae4140 Alloy Steel Bar Manufacturer In China 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 Sae4140 Alloy Steel Bar M from China?
To import Sae4140 Alloy Steel Bar M from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Wanfang Steel Group Co., Limited. Ensure you have the necessary import licenses for Steel Bars products in your destination country.
Is Wanfang Steel Group Co., Limited a verified supplier?
Yes, Wanfang Steel Group Co., Limited 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 Sae4140 Alloy Steel Bar Manufacturer In China?
The key specifications for Sae4140 Alloy Steel Bar Manufacturer In China supplied by Wanfang Steel Group Co., Limited include SAE/AISI 4140 (Chromoly Steel), C 0.38-0.43%, Cr 0.80-1.10%, Mn 0.75-1.00%, Mo 0.15-0.25%, Si 0.15-0.30%, and Round Bar Dia. 20mm - 300mm; Length 3m - 6m (or custom). 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 Sae4140 Alloy Steel Bar M?
Wanfang Steel Group Co., Limited offers Sae4140 Alloy Steel Bar M with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Sae4140 Alloy Steel Bar M the most?
Sae4140 Alloy Steel Bar M is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Wanfang Steel Group Co., Limited through our platform.
What certifications does this Sae4140 Alloy Steel Bar M supplier hold?
Wanfang Steel Group Co., Limited maintains international quality certifications. These ensure that the Sae4140 Alloy Steel Bar M meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Sae4140 Alloy Steel Bar Manufacturer In China on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Wanfang Steel Group Co., Limited 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 Wanfang Steel Group Co., Limited.
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