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Boron Carbide B4C Long Venturi Sandblasting Nozzle HRA 93-95 for Heavy Duty Abrasive Blasting Surface Preparation
Détails sur le produit:
| Lieu d'origine: | Hunan, Chine |
| Nom de marque: | High Broad |
| Certification: | ISO 9001:2015, CE |
| Numéro de modèle: | B4C-LV-35 |
Conditions de paiement et expédition:
| Quantité de commande min: | 10 pièces |
|---|---|
| Prix: | USD 15-45 / Piece |
| Détails d'emballage: | Tube de protection individuel en plastique avec insert en mousse, carton ondulé de qualité export av |
| Délai de livraison: | 5 à 10 jours ouvrables pour le stock, 15 à 20 jours pour la production |
| Conditions de paiement: | T/T, LC, Western Union |
| Capacité d'approvisionnement: | 3000 pièces par mois |
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Détail Infomation |
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| Matériau de la buse: | Carbure de bore (B4C) fritté à chaud | Dureté: | HRA 93-95 / Bouton 2800-3200 kg/mm² |
|---|---|---|---|
| Densité: | 2,48-2,52 g/cm³ | Type de buse: | Venturi long (convergent-divergent) |
| Options de diamètre d'orifice: | 6 mm, 8 mm, 10 mm, 12 mm, 16 mm | Spécification du fil: | Filetage d'entrepreneur de 1-1/4 pouce/filetage grossier de 50 mm |
| Matériau de la veste: | Alliage d'aluminium Acier inoxydable 6061/304 | Pression de fonctionnement maximale: | 150 PSI (10 bars) |
| vie professionnelle: | 500 à 800 heures de sablage continu | Médias d'application: | Oxyde d'aluminium, carbure de silicium, grenat, grains d'acier, billes de verre |
| Mettre en évidence: | Boron Carbide sandblasting nozzle,Heavy duty abrasive blasting nozzle,B4C Venturi nozzle HRA 93-95 |
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Description de produit
Boron Carbide B4C Long Venturi Sandblasting Nozzle
The Boron Carbide (B4C) Long Venturi Sandblasting Nozzle is the ultimate abrasive blasting consumable for the most demanding industrial surface preparation applications. With HRA 93-95 hardness — second only to diamond and cubic boron nitride (CBN) — this hot press sintered nozzle delivers 500-800 hours of continuous blasting life, dramatically reducing downtime and per-hour operating costs in high-production environments.
Why Boron Carbide (B4C)?
- Extreme Hardness: HRA 93-95 (Knoop 2800-3200 kg/mm²), third hardest material after diamond and CBN — far surpassing tungsten carbide (HRA 89-92) and silicon carbide (HRA 90-93)
- Exceptional Wear Life: 500-800 hours continuous service, 5-10x longer than tungsten carbide and 30-50x longer than ceramic nozzles
- Low Density Advantage: 2.5 g/cm³ vs 15 g/cm³ for tungsten carbide — significantly lighter for reduced operator fatigue in manual blasting
- Superior Thermal Stability: Maintains hardness and structural integrity at elevated blasting temperatures without thermal degradation
- Consistent Bore Profile: Minimal wear progression maintains stable abrasive flow pattern and blasting efficiency throughout nozzle service life
Key Features
- Hot Press Sintered Manufacturing: High-temperature, high-pressure sintering eliminates porosity, achieving >99% theoretical density for maximum wear resistance
- Long Venturi Geometry: Converging-diverging bore design accelerates abrasive particles to supersonic velocity, delivering 40% higher productivity than straight bore nozzles
- Precision Orifice Tolerances: CNC-machined orifices in 6mm, 8mm, 10mm, 12mm, and 16mm diameters with ±0.1mm tolerance for consistent media flow
- Dual Jacket Protection: Lightweight aluminum alloy or heavy-duty stainless steel outer jacket absorbs mechanical shock and protects the brittle B4C core
- Wide Media Compatibility: Optimized for aluminum oxide, silicon carbide, garnet, steel grit, copper slag, and glass bead abrasives
- Universal Thread Interface: 1-1/4 inch Contractor Thread and 50mm Coarse Thread options, compatible with all major blasting hose and coupling systems
Applications
- Shipyard & Marine: Hull blasting, weld seam preparation, marine coating removal on vessels and offshore structures
- Petrochemical & Pipeline: Surface preparation for FBE and 3LPE coating on oil and gas pipelines
- Structural Steel: Pre-paint profiling and rust removal on bridges, towers, and industrial frameworks
- Foundry & Forging: Descaling, deburring, and surface finishing of cast and forged components
- Aerospace MRO: Precision coating removal on landing gear, engine components, and airframe structures
- Concrete Surface Preparation: Surface profiling, laitance removal, and architectural concrete finishing
- Automotive Restoration: Chassis, frame, and body panel paint stripping and rust removal
Technical Specifications
| Parameter | Specification |
| Material | Boron Carbide (B4C) Hot Press Sintered |
| Hardness | HRA 93-95 / Knoop 2800-3200 kg/mm² |
| Density | 2.48-2.52 g/cm³ (>99% theoretical) |
| Flexural Strength | ≥ 400 MPa |
| Fracture Toughness | 3.0-3.5 MPa·m1/2 |
| Young's Modulus | 450-470 GPa |
| Thermal Conductivity | 30-42 W/(m·K) |
| Nozzle Type | Long Venturi (Converging-Diverging) |
| Orifice Sizes | 6 / 8 / 10 / 12 / 16 mm |
| Thread Options | 1-1/4" Contractor / 50mm Coarse |
| Jacket Material | Aluminum 6061 / SS304 |
| Max. Operating Pressure | 150 PSI (10 bar) |
Material Performance Comparison
| Property | Boron Carbide (B4C) | Tungsten Carbide (TC) | Silicon Carbide (SiC) | Ceramic (Al2O3) |
| Hardness (HRA) | 93-95 | 89-92 | 90-93 | 80-85 |
| Density (g/cm³) | 2.5 | 14.8 | 3.1 | 3.9 |
| Service Life (hours) | 500-800 | 300-500 | 100-200 | 10-20 |
| Weight (relative) | Light | Heavy | Medium | Medium |
| Cost Level | Premium | Mid-Range | Economy | Budget |
Packaging & Delivery
Each B4C nozzle is individually packed in a custom-fitted protective plastic tube with high-density foam cushioning to prevent impact damage during transit. Bulk orders are packed in export-grade corrugated cartons with internal dividers. Standard delivery: 5-10 working days for stock items, 15-20 working days for custom specification production orders.
Quality Assurance
Every production batch undergoes rigorous quality control including dimensional inspection (±0.1mm), hardness testing (HRA), density measurement (Archimedes method), and visual examination for surface defects. ISO 9001:2015 certified manufacturing with full batch traceability. CE marked for European market compliance. Third-party SGS inspection reports available upon request.
Why Choose High Broad?
- 15+ years of advanced ceramic and hard material processing expertise
- In-house hot press sintering furnaces for full-process quality control from powder to finished product
- Strategic location in Hunan, China — a global hub for advanced ceramics and hard material manufacturing
- Flexible OEM/ODM capability with custom orifice sizes, thread specifications, and private labeling
- Dedicated technical support for nozzle selection, blasting parameter optimization, and wear analysis
- Stable long-term supply with consistent batch quality for global distributors and end users
Contact us today for a competitive quotation, free technical consultation, or sample request. We typically respond within 12 hours. Custom specifications and OEM branding are warmly welcomed.
