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Products & Solutions
Stainless Continuously Cast Slabs
Stainless Continuously Cast Slabs
Stainless Steel Continuous Casting Slabs
1) Overview
Stainless steel continuous casting slabs are semi-finished products produced via EAF + AOD/VOD refining + Continuous Casting Machine (CCM).
They serve as the primary raw material for hot rolled plates, cold rolled coils, medium-thick plates, pipes, bars, and profiles.
Featuring uniform composition, dense microstructure, and good surface quality, stainless slabs are a key upstream product widely used in construction, machinery, energy, petrochemical, shipbuilding, automotive, and household appliances.
2) Manufacturing Process
• Melting: EAF/IF + AOD/VOD secondary refining
• Casting: Continuous casting machine (CCM)
• Slab dimensions: thickness 120–300 mm, width 800–2200 mm, length 2000–12000 mm
• Heat treatment (optional): reheating furnace for hot charge/hot delivery
• Surface treatment: flame scarfing, cutting (fixed/double length)
3) Key Features
• Uniform composition: stable chemical elements
• High internal quality: low segregation, high density
• Large dimension capacity: high efficiency, suitable for bulk production
• Excellent hot workability: suitable for direct hot rolling
• Wide grade coverage: austenitic, ferritic, duplex, super austenitic stainless steel
4) Standards
(Stainless only)
GB/T：GB/T 36477, YB/5074
• ASTM/ASME：ASTM A240, ASTM A484
• EN/DIN：EN 10088 系列
• JIS：JIS G4304
5) Grades
• Austenitic SS: 304, 304L, 316, 316L, 321, 310S
• Ferritic SS: 409L, 410, 430
• Duplex SS: 2205, 2507
• Super Austenitic: 904L, 254SMo
• Heat resistant SS: 309S, 310S
6) Applications
• Plate rolling: hot rolled coils, medium-thick plates, cold rolled coils
• Pipe manufacturing: seamless tubes, welded pipes, heat exchanger tubing
• Bar & wire production: hot rolled bars, bright bars, wire rods
• Engineering: bridges, construction, machinery manufacturing
• Energy & chemical: pressure vessels, boilers, petrochemical equipment
• Transportation: shipbuilding, automotive, rail transit
7) Quality & Testing
• Chemical analysis (spectrometer, sampling)
• Internal inspection (UT ultrasonic)
• Surface inspection (cracks, inclusions, laps)
• Metallographic examination (segregation, grain size, microstructure)
• Dimensional checks (thickness, width, length)
• Third-party inspection: TÜV, SGS, LR, BV
8) Supply & Packaging
• Forms: continuous casting slabs, fixed/double length
• Surface: flame cleaned, ground, cut
• Transportation: bulk or bundled, suitable for shipping/railway
• Traceability: MTC (EN 10204 3.1/3.2)
9) Ordering Guide
• Grade (e.g., 316L / ASTM A240)
• Slab dimensions (thickness × width × length)
• Surface requirement (cleaned / ground)
• Testing (UT internal quality, third-party certification)
• Delivery condition (hot charge, cold delivery, fixed length)
10) Why Us
• Full grade coverage: austenitic, ferritic, duplex, super austenitic
• Large dimension capacity: slabs up to 2200 mm width, 300 mm thickness
• High quality: low segregation, low inclusions, superior density
• Integrated supply chain: upstream slabs → downstream plates, pipes, bars
• Global standards compliance: ASTM, EN, GB, JIS
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