Import Alloy Steel Astm 4140 Round Bar — Buy in wholesale FOB from Supplier in China
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Alloy Steel ASTM 4140 Round Bar
This ASTM 4140 round bar is a chromium-molybdenum alloy steel supplied by Hubei Zhongcheng New Material Supply Chain Management Co., Ltd. in China, available in hot forged diameters from 50mm to 500mm and hot rolled diameters from 6mm to 50mm. Lengths range from 2,500mm to 5,000mm, with the material meeting ASTM 4140 standards for industrial applications.
The chemical composition of ASTM 4140 includes 0.38-0.43% carbon, 0.80-1.10% chromium, and 0.15-0.25% molybdenum, which contribute to its high strength and wear resistance. Typical industry uses include automotive axles, oil and gas drill components, and machinery parts, where its balance of strength and ductility is critical. The steel is electric furnace melted, forged, and annealed, with a typical hardness of 217 HB max in the annealed state.
Hubei Zhongcheng’s ASTM 4140 round bars are processed with a diameter tolerance of -0/+5mm and thickness tolerance of -0/+5mm, with widths ranging from 20mm to 810mm for plate forms. The supplier offers seaworthy packaging and delivery from ports like Wuhan, Shanghai, or Tianjin. Buyers should confirm ultrasonic testing (UT) standards, such as SEP 1921/84/2 C/c class, and quantity allowances, which are typically -/+10% per item.
| Material Grade | ASTM 4140 (AISI/SAE 4140, GB 42CrMo4, JIS SCM440) |
| Chemical Composition (C) | 0.38-0.43% |
| Chemical Composition (Cr) | 0.80-1.10% |
| Chemical Composition (Mo) | 0.15-0.25% |
| Diameter Range (Hot Forged) | 50mm to 500mm |
| Diameter Range (Hot Rolled) | 6mm to 50mm |
| Length Range | 2,500mm to 5,000mm |
| Hardness (Annealed) | 217 HB max |
| Diameter Tolerance | -0/+5mm |
| Ultrasonic Test Standard | SEP 1921/84/2 C/c class |
Hubei Zhongcheng New Material Supply Chain Management Co., Ltd. is located at Hangzhou West Road, No. 176, Xialu District, Huangshi, Hubei, China. The company operates as a harbor-tier supplier specializing in alloy steel products, including ASTM 4140 round bars, with a focus on global export markets.
The supplier’s profile indicates a trust tier of harbor, with no recorded response rate or average response time, meaning buyers should initiate contact directly for inquiries. Payment terms offered include 100% irrevocable letter of credit or 30% T/T deposit with 70% before shipment. Delivery is typically 40 days after receipt of payment, with ports of Wuhan, Shanghai, or Tianjin as options.
AISI 4140 round bar is a chromium-molybdenum alloy steel widely used in automotive, oil and gas, and machinery manufacturing. Available in hot forged diameters from 50mm to 500mm and hot rolled from 6mm to 50mm, with lengths ranging from 2,500mm to 5,000mm. This product meets ASTM 4140 standards and is available for global export with flexible sizing. Ideal for sourcing managers seeking high-strength alloy steel bars for industrial applications at competitive pricing.
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Sourcing Alloy Steel ASTM 4140 Round Bar from Hubei Zhongcheng New Material Supply Chain Management Co., Ltd. - China Import Guide
Before placing an order, confirm the exact chemical composition and mechanical properties of the ASTM 4140 round bar, as these can vary by batch. Request mill test certificates to verify compliance with ASTM 4140 standards and check for additional certifications if required for your industry or application.
Logistics details to confirm include packaging type (seaworthy), port of shipment (Wuhan, Shanghai, or Tianjin), and Incoterms (e.g., FOB or CIF). Lead times are typically 40 days after payment, but this may vary based on order size and specifications. Clarify quantity allowances, which are usually -/+10% per item.
For quality checks, perform dimensional inspections to verify tolerances and conduct ultrasonic testing if internal integrity is critical. Request documentation such as UT test reports, heat treatment records, and material traceability. Ensure the supplier provides all necessary paperwork to meet your quality assurance requirements.
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30 suppliersBuy Alloy Steel Astm 4140 Rou in Bulk — Verified Supplier in China
When sourcing Alloy Steel Astm 4140 Round Bar for your business, securing the right balance of quality and cost is essential. Hubei Zhongcheng New Material Supply Chain Management Co., Ltd., a verified supplier based in China, offers this product with key specifications including AISI 4140 / ASTM 4140 / DIN 42CrMo4, C 0.38-0.43%, Mn 0.75-1.00%, Cr 0.80-1.10%, Mo 0.15-0.25%, Si 0.15-0.30%, and Hot Forged: Diameter 50-500mm x Length 2500-5000mm; Hot Rolled: Diameter up to 50mm. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1,2001,600./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 Bars sector with strong demand from importing countries worldwide.
Alloy Steel Astm 4140 Rou Specifications, Trade Terms & Pricing
Importing Alloy Steel Astm 4140 Rou requires careful attention to shipping logistics, customs compliance, and secure payment terms. Hubei Zhongcheng New Material Supply Chain Management 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 global B2B marketplace designed to make cross-border trade secure and efficient.
About Hubei Zhongcheng New Material Supply Chain Management Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Alloy Steel Astm 4140 Rou 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 import export marketplace. Start your sourcing journey today.
Import Alloy Steel Astm 4140 Rou — Shipping, Logistics & Customs
Importing Alloy Steel Astm 4140 Rou 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 Astm 4140 Rou
What is the wholesale price of Alloy Steel Astm 4140 Round Bar?
The current listed wholesale price for Alloy Steel Astm 4140 Round Bar from Hubei Zhongcheng New Material Supply Chain Management Co., Ltd. is $1,2001,600./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 Hubei Zhongcheng New Material Supply Chain Management Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Alloy Steel Astm 4140 Rou?
The supplier, Hubei Zhongcheng New Material Supply Chain Management Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Unit for Alloy Steel Astm 4140 Rou. 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 Astm 4140 Round Bar?
For international shipping and customs clearance, Alloy Steel Astm 4140 Round Bar 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 Astm 4140 Rou from China?
To import Alloy Steel Astm 4140 Rou from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Hubei Zhongcheng New Material Supply Chain Management Co., Ltd.. Ensure you have the necessary import licenses for Steel Bars products in your destination country.
Is Hubei Zhongcheng New Material Supply Chain Management Co., Ltd. a verified supplier?
Yes, Hubei Zhongcheng New Material Supply Chain Management 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 Astm 4140 Round Bar?
The key specifications for Alloy Steel Astm 4140 Round Bar supplied by Hubei Zhongcheng New Material Supply Chain Management Co., Ltd. include AISI 4140 / ASTM 4140 / DIN 42CrMo4, C 0.38-0.43%, Mn 0.75-1.00%, Cr 0.80-1.10%, Mo 0.15-0.25%, Si 0.15-0.30%, and Hot Forged: Diameter 50-500mm x Length 2500-5000mm; Hot Rolled: Diameter up to 50mm. 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 Astm 4140 Rou?
Hubei Zhongcheng New Material Supply Chain Management Co., Ltd. offers Alloy Steel Astm 4140 Rou 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 Astm 4140 Rou the most?
Alloy Steel Astm 4140 Rou is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Hubei Zhongcheng New Material Supply Chain Management Co., Ltd. through our platform.
What certifications does this Alloy Steel Astm 4140 Rou supplier hold?
Hubei Zhongcheng New Material Supply Chain Management Co., Ltd. maintains international quality certifications. These ensure that the Alloy Steel Astm 4140 Rou meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Alloy Steel Astm 4140 Round Bar on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Hubei Zhongcheng New Material Supply Chain Management 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 Hubei Zhongcheng New Material Supply Chain Management Co., Ltd..
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