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Boron Carbide Sandblast Nozzle 35x6.5mm with 5-7x Longer Wear Life and 6x Lighter Than WC
Product Details:
| Place of Origin: | Hunan, China |
| Brand Name: | High Broad |
| Certification: | ISO 9001:2015 |
| Model Number: | B4C-S35-65 |
| Document: | Venturi nozzle Jane.pdf |
Payment & Shipping Terms:
| Minimum Order Quantity: | 10 Pieces |
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| Price: | USD 8-22 / Piece |
| Packaging Details: | Individual foam cushion packaging, sealed moisture barrier bag, master carton |
| Delivery Time: | 3-5 working days for stock, 10-20 days for production |
| Payment Terms: | T/T,L/C,PayPal,Western Union |
| Supply Ability: | 10000 Pieces per Month |
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Detail Information |
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| Density: | ≥ 2.50 G/cm³ (vs WC 15.63 G/cm³) | Thermal Conductivity: | 30-42 W/m·K |
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| Length: | 35mm | Nozzle Type: | Standard / Straight Bore |
| Hardness: | ≥ 2900 HV / Mohs 9.3 (vs WC 1500-2000 HV) | Orifice Diameter: | 6.5mm |
| Highlight: | B4C vs WC Sandblast Nozzle,Boron Carbide Tungsten Carbide Comparison,Standard Blast Nozzle 35x6.5mm |
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Product Description
The B4C-S35-65 offers a compelling case study in why boron carbide is increasingly replacing tungsten carbide (WC) as the material of choice for industrial blast nozzles. While tungsten carbide has traditionally been used for wear-resistant components, B4C offers 5-7 times longer service life at a fraction of the weight.
| Property | Boron Carbide (B4C) | Tungsten Carbide (WC-Co) | B4C Advantage |
|---|---|---|---|
| Hardness (HV) | 2800-3200 | 1500-2000 | 1.5-2x harder |
| Mohs Hardness | 9.3 | 8.5-9.0 | 0.3-0.8 higher |
| Density (g/cm³) | 2.52 | 15.63 | 6x lighter |
| Wear Life (Al₂O₃ grit) | 450-600 hrs | 60-100 hrs | 5-7x longer |
| Cost per Hour | $0.03-0.05 | $0.08-0.25 | 60-80% lower |
The fundamental advantage of B4C over WC stems from differences in wear mechanisms. Tungsten carbide nozzles rely on a cobalt metal binder (typically 6-10% Co) to hold WC grains together. Under high-velocity abrasive impact, the softer cobalt binder erodes preferentially, causing WC grains to be dislodged—a process known as binder erosion. In contrast, hot pressed B4C is a monolithic ceramic with no secondary binder phase, eliminating this failure mode entirely.
At only 2.52 g/cm³ (versus 15.63 g/cm³ for WC), B4C nozzles are approximately 6 times lighter than equivalent WC nozzles. This weight reduction provides meaningful ergonomic benefits for operators during extended blasting sessions and reduces strain on robotic blast arm systems in automated applications.
Contact us to request a complimentary wear comparison test sample and detailed technical report.
