Import Astm/Aisi Standard Alloy Round Bar — Buy in wholesale FOB from Supplier in China

Similar Products

More from this Seller

Related Products

Trending in Sub-Category

Top Suppliers for this Product

Compare Other Sellers

More Suppliers in Category

Related Products

Top Verified Suppliers

Related Buy Leads

EximNext
57.7K+ live requirements
免费注册🎁 5 free buy-lead credits
发布采购需求
🌍 223.9K+ 家企业信赖之选,覆盖 200+ 国家|
57.7K+ 条实时采购需求
✉️ [email protected]
|
在 EximNext 销售发布采购需求
EximNext
AgricultureApparelConstructionElectronicFoodHomeIndustrialMineralsMiscellaneous
🔥 Deals|✨ AI Match|🏭 Suppliers|📋 Buy Leads|💰 Trade Finance|⭐ Upgrade
57.7K+ live RFQs·194.2K+ suppliers
🎁 5 free credits →
EximNext
EximNext
Register Free
🎁 5 free buy-lead credits
Sign In
📋发布采购需求💬获取报价AI 匹配📋RFQ 询盘市场
所有分类
服务与工具
🏭供应商目录🔥今日特惠💰贸易金融会员
在 EximNext 销售
关于联系我们博客帮助
ASTM/AISI Standard Alloy Round Bar by Big Co., Ltd.
Harbor
ASTM/AISI Standard Alloy Round Bar - Image 1

ASTM/AISI Standard Alloy Round Bar

🕐最近更新:Jul 22, 2026
100/ Bags
最小起订量: 1 Bags
💱₹100.00/ Bags
Live rate: 1 USD = 1.00 INR
🔢HS 编码7228.20
⚙️材质Alloy Steel (Chrome-Molybdenum, e.g., 4140/ SCM440)
📁类目Steel Bars
💳付款方式T/T · L/C · D/P
EximNext 支持担保交易支付
自由选择付款方式 — T/T、L/C,或选择担保交易获得全额保障。您的交易,您做主。
Buy & Import ASTM/AISI Standard Alloy Round Bar from Big Co., Ltd. - China Wholesale Supply

The ASTM/AISI Standard Alloy Round Bar from Big Co., Ltd. is a hot-rolled or forged Chrome-Molybdenum alloy steel product, available in diameters from 10mm to 500mm and lengths up to 6 meters. It adheres to AISI, ASTM, BS, DIN, GB, and JIS standards, making it suitable for high-stress applications where reliability is critical. The 4140/SCM440 grade composition ensures a balance of strength, toughness, and wear resistance, ideal for industrial fabrication and engineering projects.

This alloy steel round bar is typically supplied in a hot-rolled finish, which enhances its mechanical properties and surface quality. Standard industry grades for Chrome-Molybdenum bars include AISI 4130, 4140, and 4340, with tensile strengths typically ranging from 655 MPa to 900 MPa depending on heat treatment. The material is often used in machinery manufacturing, automotive components, construction equipment, and oil and gas pipelines due to its ability to withstand heavy loads and cyclic stress.

Buyers of this product are often manufacturers of heavy machinery, construction equipment, or automotive parts. The bars are sourced from established mills in mainland China and shipped in bulk, with packaging typically consisting of bundled rods or palletized coils. Lead times and MOQs vary by mill and order size, so confirmation with the supplier is required. This product is a cost-effective solution for buyers seeking durable alloy steel materials for high-impact industrial applications.

Technical Specifications for Big Co., Ltd. ASTM/AISI Standard Alloy Round Bar
Material GradeChrome-Molybdenum (4140 / SCM440)
Standards ComplianceAISI, ASTM, BS, DIN, GB, JIS
Diameter Range10mm to 500mm
LengthUp to 6 meters
FormHot-rolled or forged round bar
Typical Tensile Strength655 MPa to 900 MPa (heat-treated)
Typical Yield Strength415 MPa to 750 MPa (heat-treated)
Typical Hardness (Brinell)197 to 262 HB
Typical Elongation15% to 25% in 50mm
Typical PackagingBundled rods or palletized coils
About Big Co., Ltd. - Alloy Steel Supplier in China
🏭
Big Co., Ltd.
China Harbor
4.5(0)

Big Co., Ltd. is based in Tongzhou District, Beijing, China, and operates as a supplier of alloy steel products. The company holds a 'harbor' trust tier, indicating a baseline level of verification in the marketplace. Its address is confirmed as 101100, Beijing, though additional operational details such as production capacity or certifications are not explicitly stated in the available data.

The supplier’s profile does not provide specific information on response rates, average response times, or historical performance metrics. Buyers are advised to contact Big Co., Ltd. directly to confirm its current operational status, trade terms, and quality assurance processes. The absence of published certifications or client references means due diligence is essential before placing orders.

ASTM AISI standard alloy round bar is a versatile hot-rolled or forged steel product available in diameters from 10mm to 500mm and lengths up to 6 meters. Complying with AISI, ASTM, BS, DIN, GB, and JIS standards, these bars are widely used in machinery manufacturing, automotive components, construction equipment, and oil and gas pipelines. Sourced from established mills in mainland China, they offer a cost-effective solution for buyers seeking reliable alloy steel materials for industrial fabrication and engineering projects.

企业类型Supplier
成立年份Contact Supplier
EmployeesContact Supplier
Annual RevenueContact Supplier
Main ProductsView Products Tab
Major MarketsGlobal
响应时间<4h
响应率Contact Supplier
Frequently Asked Questions About ASTM/AISI Standard Alloy Round Bar from Big Co., Ltd.
Standard grades include AISI 4130, 4140, and 4340. These grades are widely used for their balance of strength, toughness, and wear resistance. 4140, for example, is known for its high fatigue strength and is often heat-treated to achieve tensile strengths up to 900 MPa.

Sourcing ASTM/AISI Standard Alloy Round Bar from Big Co., Ltd. - China Import Guide

Before ordering ASTM/AISI Standard Alloy Round Bar from Big Co., Ltd., verify the mill source and confirm that the material meets the required standards for your application. Request mill test certificates (MTCs) to ensure the chemical composition and mechanical properties align with AISI 4140 or SCM440 specifications. Additionally, check if the supplier provides third-party inspection reports for quality assurance.

Confirm logistics details such as packaging, labeling, and shipping methods. Alloy round bars are typically bundled or palletized, but custom packaging may be required for specific applications. Discuss lead times, which can vary based on mill schedules and order size. Incoterms such as FOB or CIF should be clarified, along with preferred payment methods like L/C or T/T.

Quality checks are critical for alloy steel products. Inspect the bars for surface defects, dimensional accuracy, and straightness upon receipt. Request a pre-shipment inspection if possible, and ensure all documentation, including MTCs and compliance certificates, is provided. For high-precision applications, consider additional testing such as ultrasonic or magnetic particle inspection to detect internal or surface flaws.

相关采购需求

Active buying requirements from importers looking for Similar products

🏭
Big Co., Ltd.
China
Harbor
<4h
响应时间
0.00%
响应率
0/100
信用评分
📦
0+
产品数量
4.5(0)
查看完整供应商资料 →
还在挑选产品?
发布采购需求 — 免费获取 10 条报价
告诉我们您的需求,认证供应商将在 24 小时内主动为您报价。
贸易情报
为此类产品找到已验证的买家或卖家
装运级进出口数据。HS 编码、航线与真实买家名称。
  • 谁在进口这款产品
  • 他们的成交价格
  • 他们使用的港口
探索贸易数据 →
You May Also Like

Related Products & Suppliers

Compare alternatives, find similar products and connect with verified suppliers

Similar Products

More from this Seller

Related Products

Trending in Sub-Category

Top Suppliers for this Product

Compare Other Sellers

More Suppliers in Category

把握全球贸易先机
每周市场洞察与新供应商提醒。
EximNext
EximNext 是全球领先的B2B贸易平台,连接遍布200+国家的205,000+已认证供应商与买家。作为值得信赖的进出口平台,我们为全球企业提供关键的B2B门户,助力企业拓展国际业务、更聪明地做生意、更快速地成长。
安全支付
VISAMastercardPayPalSWIFTL/CEscrow
关注我们
© 2026 EximNext

Buy Astm/Aisi Standard Alloy in Bulk — Verified Supplier in China

When sourcing Astm/Aisi Standard Alloy Round Bar for your business, securing the right balance of quality and cost is essential. Big Co., Ltd., a verified supplier based in China, offers this product with key specifications including AISI 4140, 4340, 8620 / Alloy Steel Round Bar, Chromium-Molybdenum (Cr-Mo) alloy; Carbon 0.37%-0.45% (grade dependent), and OD: 10mm - 500mm; Length: 1000mm - 6000mm. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $100/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.

Astm/Aisi Standard Alloy Specifications, Trade Terms & Pricing

Importing Astm/Aisi Standard Alloy requires careful attention to shipping logistics, customs compliance, and secure payment terms. Big 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 7228.20 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 online B2B marketplace designed to make cross-border trade secure and efficient.

About Big Co., Ltd. — Supplier in China

Finding trustworthy partners is the foundation of successful importing. The supplier of this Astm/Aisi Standard Alloy 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 B2B marketplace. Start your sourcing journey today.

Import Astm/Aisi Standard Alloy — Shipping, Logistics & Customs

Importing Astm/Aisi Standard Alloy 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 Astm/Aisi Standard Alloy

What is the wholesale price of Astm/Aisi Standard Alloy Round Bar?

The current listed wholesale price for Astm/Aisi Standard Alloy Round Bar from Big Co., Ltd. is $100/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 Big Co., Ltd. through EximNext.

What is the Minimum Order Quantity (MOQ) for Astm/Aisi Standard Alloy?

The supplier, Big Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Astm/Aisi Standard Alloy. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.

What is the HS Code for Astm/Aisi Standard Alloy Round Bar?

For international shipping and customs clearance, Astm/Aisi Standard Alloy Round Bar 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 Astm/Aisi Standard Alloy from China?

To import Astm/Aisi Standard Alloy from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Big Co., Ltd.. Ensure you have the necessary import licenses for Steel Bars products in your destination country.

Is Big Co., Ltd. a verified supplier?

Yes, Big 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 Astm/Aisi Standard Alloy Round Bar?

The key specifications for Astm/Aisi Standard Alloy Round Bar supplied by Big Co., Ltd. include AISI 4140, 4340, 8620 / Alloy Steel Round Bar, Chromium-Molybdenum (Cr-Mo) alloy; Carbon 0.37%-0.45% (grade dependent), and OD: 10mm - 500mm; Length: 1000mm - 6000mm. 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 Astm/Aisi Standard Alloy?

Big Co., Ltd. offers Astm/Aisi Standard Alloy with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.

Which countries import Astm/Aisi Standard Alloy the most?

Astm/Aisi Standard Alloy is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Big Co., Ltd. through our platform.

What certifications does this Astm/Aisi Standard Alloy supplier hold?

Big Co., Ltd. maintains international quality certifications. These ensure that the Astm/Aisi Standard Alloy meets international quality, safety, and regulatory standards required for cross-border trade.

How do I place a bulk order for Astm/Aisi Standard Alloy Round Bar on EximNext?

Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Big 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 Big Co., Ltd..

Explore More Steel Bars Products for Wholesale Import

Discover more products in Steel Bars from verified suppliers worldwide.