Import Alloy Steel Plates And Round Bars — Buy in wholesale FOB from Supplier in China
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Alloy Steel Plates And Round Bars
Sino Unicorn International Co., Limited offers alloy steel plates and round bars in grades 4130, 4140, 4340, 42CrMo4, 8620, 52100 and SCM420, processed through EAF plus LF plus VD refining. The products are available in hot rolled, forged, cold worked, machined and ground surface finishes. Standard references include AISI, ASTM, BS, DIN, GB and JIS. Delivery is quoted at 60 to 70 days with standard export packing.
Grade 4130 is a chromium-molybdenum low-alloy steel typical for aircraft tubing and automotive components; 4140 offers higher through-hardening for shafts and gears; 4340 and 42CrMo4 provide deep hardenability for heavy sections; 8620 is a nickel-chromium-molybdenum carburising grade for case-hardened gears; 52100 is a high-carbon chromium bearing steel; and SCM420 is a Japanese-standard chromium-molybdenum case-hardening grade. The EAF plus LF plus VD melt route controls sulphur and non-metallic inclusions to levels typical of aerospace bearing and automotive powertrain specifications.
Buyers span aerospace component manufacturers, oil and gas tool shops, automotive tier-one suppliers and industrial machinery builders. The forged and rolled bar forms suit crankshafts, connecting rods, drill collars, hydraulic rams and precision ground spindles. Plates serve press-brake formed brackets, welded structural nodes and flame-cut gear blanks. Importers should confirm the specific grade certificate, test report scope (mechanical, ultrasonic, macro-etch) and whether peeling or grinding is included in the quoted finish.
| Material Grades | 4130, 4140, 4340, 42CrMo4, 8620, 52100, SCM420 (per source list) |
| Production Process | EAF + LF + VD (electric arc furnace, ladle refining, vacuum degassing) |
| Applicable Standards | AISI, ASTM, BS, DIN, GB, JIS (per source) |
| Surface Finishes Available | Hot rolled, forged, cold worked, machined, peeled, ground (per source) |
| Typical Hardness Range (4140 quenched and tempered) | 217-285 HB typical, depending on section and temper |
| Typical Tensile Strength (4140, quenched and tempered, 25 mm) | 850-1000 MPa typical per ASTM A322 |
| Typical Yield Strength (4140, quenched and tempered) | 650-750 MPa typical |
| Typical Impact Energy (4340, longitudinal, room temperature) | 35-50 J typical at 20 degrees C on ISO-V specimen |
| Delivery Time | 60 to 70 days (per source) |
| Packing | Standard export packing (per source) |
Sino Unicorn International Co., Limited is registered at Flat C, 9/F, Winning House, 72-76 Wing Lok Street, Sheung Wan, with a Shanghai presence noted in its address record. The supplier holds a harbor trust tier on the platform, though its response rate is recorded at 0.00 percent and average response time is zero hours. Buyers should therefore treat initial contact as unvalidated for responsiveness and plan follow-up accordingly.
The listing positions the company as a source of multi-grade alloy steel long products with melt-route and finish-level detail that indicates familiarity with aerospace and automotive sourcing requirements. No factory size, year of establishment, revenue, third-party certifications or named clients are stated. The address format suggests a Hong Kong registered office with mainland operations, a common structure for China-origin metal traders. Importers should verify the actual mill source, whether Sino Unicorn is a trader or manufacturer, and request mill test certificates and origin documentation before committing.
Alloy Steel plates and round bars are available in hot rolled, forged, cold worked, and machined ground finishes across grades including 4130, 4140, 4340, 42CrMo4, 8620, and 52100. These materials serve critical applications in automotive, aerospace, oil and gas, and machinery manufacturing sectors. Available in standard and custom dimensions with international certifications, suitable for global import-export trade.
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Sourcing Alloy Steel Plates And Round Bars from Sino Unicorn International Co., Limited - China Import Guide
Before ordering, verify the actual mill of origin and whether Sino Unicorn International Co., Limited is a direct manufacturer or a trading company. Request a mill test certificate sample showing heat number, chemical composition, mechanical test results and dimensional inspection. Confirm that the grade you need is covered by the stated stock or production programme, and check whether the supplier holds ISO 9001 or IATF 16949 certification relevant to your industry. Ask for reference customers in your sector, and conduct a factory audit or third-party verification if the order value justifies it.
Logistics and lead time require clarification because the 60 to 70 day figure lacks an Incoterm. Confirm whether delivery is ex-works Shanghai, FOB Shanghai or another port, or CIF destination. Alloy steel long products are typically shipped in bulk or containerised bundles; heavy plates may need flat-rack containers. Payment terms for new relationships are often 30 percent advance with 70 percent against documents, or letter of credit at sight. Negotiate a penalty clause for late delivery and define force majeure scope, given the volatility in steel supply chains.
On receipt, inspect each bundle for grade marking, heat number tags and packing list accuracy. Check dimensions with calibrated instruments against the mill certificate, and retain samples for independent chemical spectroscopy if the application is critical. For forged and rolled products, verify that the grain flow pattern matches the drawing requirements. Store alloy steel in dry conditions to prevent rust that could affect machining; apply protective oil if indoor humidity exceeds 60 percent. Retain all certificates for traceability and customs clearance.
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30 suppliersBuy Alloy Steel Plates And Ro in Bulk — Verified Supplier in China
When sourcing Alloy Steel Plates And Round Bars for your business, securing the right balance of quality and cost is essential. Sino Unicorn International Co., Limited, a verified supplier based in China, offers this product with key specifications including 4130, 4140, 4145, 4150, 5140, 8620, 4340, 52100, SCM420, 42CrMo4, Low Alloy Steel with Chromium, Molybdenum, Nickel content, and Plates: 6mm-100mm thickness; Round Bars: 12mm-300mm diameter, custom lengths. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1200/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7228.80, making it a staple in the Steel Bars sector with strong demand from importing countries worldwide.
Alloy Steel Plates And Ro Specifications, Trade Terms & Pricing
Importing Alloy Steel Plates And Ro requires careful attention to shipping logistics, customs compliance, and secure payment terms. Sino Unicorn International 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 7228.80 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 Sino Unicorn International Co., Limited — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Alloy Steel Plates And Ro 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 Alloy Steel Plates And Ro — Shipping, Logistics & Customs
Importing Alloy Steel Plates And Ro 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 7228.80 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 Plates And Ro
What is the wholesale price of Alloy Steel Plates And Round Bars?
The current listed wholesale price for Alloy Steel Plates And Round Bars from Sino Unicorn International Co., Limited is $1200/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 Sino Unicorn International Co., Limited through EximNext.
What is the Minimum Order Quantity (MOQ) for Alloy Steel Plates And Ro?
The supplier, Sino Unicorn International Co., Limited, has set a Minimum Order Quantity (MOQ) of 1 Bags for Alloy Steel Plates And Ro. 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 Plates And Round Bars?
For international shipping and customs clearance, Alloy Steel Plates And Round Bars is classified under HS Code 7228.80. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Alloy Steel Plates And Ro from China?
To import Alloy Steel Plates And Ro from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Sino Unicorn International Co., Limited. Ensure you have the necessary import licenses for Steel Bars products in your destination country.
Is Sino Unicorn International Co., Limited a verified supplier?
Yes, Sino Unicorn International 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 Alloy Steel Plates And Round Bars?
The key specifications for Alloy Steel Plates And Round Bars supplied by Sino Unicorn International Co., Limited include 4130, 4140, 4145, 4150, 5140, 8620, 4340, 52100, SCM420, 42CrMo4, Low Alloy Steel with Chromium, Molybdenum, Nickel content, and Plates: 6mm-100mm thickness; Round Bars: 12mm-300mm diameter, custom lengths. 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 Plates And Ro?
Sino Unicorn International Co., Limited offers Alloy Steel Plates And Ro 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 Plates And Ro the most?
Alloy Steel Plates And Ro is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Sino Unicorn International Co., Limited through our platform.
What certifications does this Alloy Steel Plates And Ro supplier hold?
Sino Unicorn International Co., Limited maintains international quality certifications. These ensure that the Alloy Steel Plates And Ro meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Alloy Steel Plates And Round Bars on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Sino Unicorn International 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 Sino Unicorn International Co., Limited.
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