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Products & Solutions
Stainless Continuously Cast Billets & Blooms
Stainless Continuously Cast Billets & Blooms
Stainless Steel Continuous Casting Billets (Square Billets)
1) Overview
Stainless steel continuous casting billets are semi-finished products produced by EAF/IF melting → AOD/VOD refining → Continuous Casting Machine (CCM).
They are the primary raw material for hot rolled bars, wire rods, structural profiles, and seamless tube hollows, featuring uniform chemistry, dense structure, low segregation, and dimensional stability.
2) Manufacturing Process
• Melting: EAF/IF + AOD/VOD refining
• Casting: CCM mold forming square billets
• Dimensions:
• Section: 100 × 100 mm – 300 × 300 mm
• Length: 3000 – 12000 mm (customized)
• Surface: flame scarfing, grinding, cutting
3) Key Features
• Uniform chemistry: stable composition for downstream rolling/forging
• High density: low porosity, low shrinkage, minimal segregation
• Stable geometry: accurate square sections for continuous rolling
• Multi-grade coverage: austenitic, ferritic, duplex, heat-resistant SS
• Excellent hot workability: suitable for bar rolling and tube piercing
4) Standards
(Stainless billets only)
• GB/T：GB/T36477
• ASTM/ASME：ASTM A484
• EN/DIN：EN 10088
• JIS：JIS G4320, 4303
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
• Precipitation hardening SS: 17-4PH
6) Applications
• Bars & wire rods: hot rolled round bars, bright bars, wire rods
• Seamless tubes: hollows for piercing and tube mills
• Profiles: stainless angles, channels, flats
• Forgings: flanges, rings, shafts
• Machinery: gears, bearing sleeves, structural parts
• Energy & chemical: corrosion and heat-resistant components
7) Quality & Testing
• Chemical composition (spectrometer, C/S analysis)
• Internal quality: UT ultrasonic inspection
• Surface quality: cracks, laps, shrinkage cavities
• Metallography: segregation, grain size, microstructure
• Dimensional checks: side length, diagonals, straightness
• Third-party inspection: SGS, TÜV, LR, BV
8) Supply & Packaging
• Forms: continuous casting billets, fixed/double length
• Surface: flame cleaned, ground, cut
• Transport: bulk or bundled, seaworthy / railway packing
• Traceability: MTC (EN 10204 3.1/3.2)
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