stainless steel blasting media

Stainless Steel Blasting Media‑ Premium Non‑Ferrous Surface‑Treatment Solution for High‑Precision Industrial Applications

Botou Junda Machinery Equipment Co., Ltd. manufactures high‑performance stainless steel blasting media designed specifically for iron‑free surface treatment within the non‑ferrous metals industry. Backed by a 3,000‑square‑meter production facility and over 20 years of foundry‑equipment experience, we products with hardness ranging from 220 to 650 HV, bulk density of at least 7.7 g/cm³ and particle sizes between 0.2 mm and 3.0 mm. Available in SUS304, SUS316 and SUS430 grades, our media cuts long‑term operating costs by 40 % compared with disposable abrasives while meeting zero‑iron‑contamination standards for precision manufacturing, medical‑device and aerospace applications. It delivers up to 3,000 recycling cycles with a low breakage rate.

What Makes Our stainless steel blasting media Stand Out

Our stainless steel blasting media addresses three major pain points in modern surface‑treatment procedures. Traditional carbon‑steel shot embeds iron particles, triggering secondary rust on aluminum and stainless‑steel components. Glass beads fracture after 50‑100 cycles due to rising dust exposure and demand frequent replacement.

By adopting well‑defined metallurgical compositions, Junda’s spherical stainless‑steel shot overcomes these drawbacks. Our austenite grades contain over 16 % chromium to form a passive oxide layer that prevents corrosion during storage and operation. Thanks to high particle roundness, surface roughness of Ra 1.6‑6.3 μm can be achieved without altering dimensional tolerances, ensuring even force distribution across treated surfaces.

Every batch undergoes strict quality screening to guarantee grain‑size uniformity. Such uniformity enables precise surface‑texture control for pre‑coating procedures where contamination hazards are unacceptable in automotive die‑casting and medical‑device manufacturing.

Technical Specifications

表格

Core Performance Advantages

Guaranteed Iron‑Free Contamination

Our media contains no iron elements that may embed into workpiece surfaces. It prevents galvanic corrosion on aluminum aerospace parts and eliminates rust spots on post‑treated stainless‑steel medical devices.

Spherical Particle Geometry

The rounded profile delivers moderate impact force with weak cutting action. You can deburr precision gears and valve bodies without scratching substrates or altering critical dimensions, keeping tolerances within ±0.02 mm.

Extended Service Life

High‑chromium‑nickel alloy structure resists fragmentation over repeated blasting cycles. With proper screening to remove fine powders, one batch of stainless steel blasting media remains effective for thousands of operations, greatly lowering your consumable expenses.

Controlled Surface Treatment

Consistent matte textures suitable for pre‑anodizing and electroplating procedures can be realized. Uniform particle‑size distribution generates predictable surface‑roughness profiles and eliminates rework caused by uneven surface treatment.

Application Scenarios

Automotive & Aerospace Die‑Casting

Deburr magnesium aircraft brackets and aluminum gearbox housings without leaving iron‑containing residues that compromise structural integrity or trigger inspection failures.

Medical‑Device Manufacturing

Meet sanitary standards for implant‑device components and blanks of surgical instruments, since even minor iron contamination may cause patient complications or device rejection.

Food‑Processing Equipment

Remove weld scale on stainless‑steel storage tanks and conveyor systems while maintaining hygienic surface finishes required by FDA and HACCP compliance regulations.

Architectural Stone Treatment

Textured granite facades and concrete slabs for anti‑slip floor installations. Media durability ensures uniform aesthetic appearance throughout long‑term construction projects.

Selecting the Right Media Type

Grit versus Stainless‑Steel Shot

Choose angular stainless‑steel grit when Sa 2.5 surface cleanliness is required for heavy‑duty coating applications or heavy‑duty descaling. Its sharp edges rapidly cut through rust and mill scale.

Use spherical stainless‑steel shot for stress peening turbine blades or when surface integrity must be preserved. Rounded impact compresses the surface layer without tearing material fibers.

Cost‑Control Strategies

Deploy an efficient cyclone separator within your blasting system to recover over 98 % of spent media. For most applications, set blasting pressure between 60‑80 PSI; higher pressure accelerates media breakage without delivering corresponding cleaning performance.

Seal cabinet door gaskets and inspect hose connections monthly to avoid material loss. Grain size shall match your roughness targets; undersized media prolongs cycle time while oversized media wastes energy.

Frequently Asked Questions

Q: Why should I switch from glass beads to media?

A: Although glass beads feature lower initial cost, our media delivers 30‑40 times longer service life, generates less dust and provides more consistent surface results. It reduces total operating cost per treated part.

Q: Will it damage my blasting equipment?

A: No. When properly calibrated, spherical media actually reduces wear on blast wheels and nozzles compared with angular mineral abrasives. You will enjoy extended equipment maintenance intervals.

Q: How do I avoid over‑peening with this media?

A: Select softer chromium‑grade media and control blasting pressure together with cycle time. Cleaning can be completed without inducing unnecessary surface deformation on thin‑walled components.

Q: Is it suitable for wet blasting?

A: Yes. Its corrosion‑resistant properties make it ideal for wet‑blasting applications, where carbon‑steel abrasives would rust immediately and contaminate your slurry system.

Q: What are the implications for environmental compliance?

​​​​​​​ A: Since our media can be recycled thousands of times, it drastically cuts hazardous‑waste volume and landfill waste compared with disposable abrasives, helping you satisfy ISO 14001 requirements.

Why Partner With Junda

Our 20‑year manufacturing expertise guarantees every batch of media complies with international quality standards. We reply to technical inquiries within 6‑8 hours and ship standard‑grade products from stock.

Custom grain‑size distribution and hardness specifications are available with roughly 15‑day lead‑time. We supply English‑language operation manuals, application‑troubleshooting support and can assist with export documentation for global shipments.

Our ISO9001, ISO14001 and ISO45001 certifications ensure consistent quality management covering production, environmental management and workplace‑safety protocols.

Get Your Custom Media Solution

Contact our technical team via junda001@jundablast.com to discuss your specific stainless steel blasting media requirements. We will recommend the optimal media grade and grain size for your application.​​​​​​​