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Help CenterSteel Billet: Types, Specifications, Applications and Complete Export Guide
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Steel Billet: Types, Specifications, Applications and Complete Export Guide
Steel billet is an essential semi‑finished carbon‑steel product, widely regarded as the intermediate raw material for producing finished long‑steel items such as rebar, round bars, wire rods, angle steel and channel steel. Cast from molten steel through continuous casting process, steel billet is the core upstream product of the whole long‑steel industrial chain. Reliable‑quality steel billets from China are highly welcomed by steel‑rolling factories across Southeast Asia, the Middle East, Africa and South‑America markets.
1. Basic Introduction & Main Classification
Steel semi‑finished products mainly contain three common forms: billet, slab and bloom.
• Square Billet: Square cross‑section, the most popular export type, mainly used for rolling long products.
• Slab: Rectangular flat cross‑section, raw material for hot rolled coil, plate and sheet.
• Bloom: Large‑size heavy billet, for manufacturing large‑diameter round bars, H‑beam and heavy sections.
For export trade, square billet occupies the largest market share. According to internal quality and chemical composition, carbon billet can be sorted into common quality billet, high‑quality billet and special alloy billet.
2. Popular Specifications & Chemical Grades
Common Sizes of Square Billet
Main cross‑section dimensions for export:
120×120mm, 130×130mm, 150×150mm, 160×160mm, 180×180mm, 200×200mm
Standard length: 6 m / 12 m, cut‑to‑length service available.
Regular Steel Grades for Export
• Q235B / SAE 1008 / SAE 1010 / SAE 1015 / SAE 1020
• S235JR
• 3SP / 5SP (widely‑accepted grade for CIS, Middle‑east and African markets)
Every batch can provide full MTC mill test certificate with chemical composition (C, Si, Mn, S, P) and mechanical property data.
3. End‑Use Applications
Steel billet itself cannot be directly applied on construction sites. After being heated and rolled by re‑rollers, it turns into finished steel goods for downstream industries:
• Construction reinforcement: HRB400 / HRB500E deformed rebar for buildings, bridges and highways
• Bright & hot‑rolled round bars, flat bars
• Wire rod for welding wire, nails, mesh and steel wire production
• Structural profiles: angle steel, channel steel, I‑beam for steel‑structure workshops
4. International Standards & Export Documents
Our billets can comply with widely‑recognized international norms, satisfying inspection requirements of different importing countries:
• Chinese Standard: GB/T 4145‑2018
• Russian GOST standard: GOST 380‑2005
• ASTM A615 (reference for rebar‑grade billet)
Required Shipping Papers
1. Mill Test Certificate (MTC) with full chemical & mechanical results
2. Commercial Invoice, Packing List
3. Certificate of Origin
4. Third‑party inspection reports (SGS / BV / Intertek) upon buyer’s request
HS‑Code reference: 720711, for carbon‑steel square semi‑finished billet.
5. Packaging, Loading & Shipment
Steel billets are heavy solid metal blocks, loaded in bulk inside 20GP / 40GP containers or shipped by break‑bulk vessel.
• Bundled with strong steel binding straps
• Marked with grade, size, heat number and batch No. on every bundle
• Bulk loading: high loading efficiency, lower logistics cost for large‑volume orders
• Container shipment: suitable for medium‑small batches with safer cargo protection
6. Global Market & Our Supplier Advantages
In recent years, overseas steel‑mill buyers keep increasing procurement of Chinese carbon billet, especially Southeast‑Asia, Middle‑east and African rolling factories, for stable semi‑finished raw‑material supply.
As a professional steel‑billet exporter, we provide:
✅ Stable‑supply carbon steel billet with full chemical‑composition control
✅ Flexible MOQ for trial orders and large‑volume long‑term contracts
✅ Transparent FOB & CFR price terms
✅ Fast production lead‑time, professional loading guidance
✅ One‑stop service, supporting third‑party inspection before shipment
If you are looking for reliable steel‑billet supplier, welcome to send us your required size, steel grade and target quantity, we will send our latest competitive quotation without delay.
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Steel Billet, Carbon Steel Billet, Square Steel Billet, 150×150 Billet, Semi‑Finished Steel Product, Steel Billet Export
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