Product Characteristics
Steel Cut Wire Shot is manufactured by precision-cutting high-carbon steel wire, then undergoing heat treatment (quenching + tempering) for enhanced performance. Key traits include:
Ultra-Hardness & Wear Resistance:
Achieves HRC 45-60 hardness via quenching, ensuring minimal particle wear during blasting. Lifespan is 1.5–2x longer than traditional cast steel shot, reducing replacement costs.
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Uniform Cylindrical Shape:
Precision cutting (tolerance ±0.1mm) creates consistent cylindrical particles, providing uniform impact force (critical for consistent surface finishes like Sa2.5/Sa3).
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Low Dust & Clean Operation:
Smooth cut edges and high density (7.8 g/cm³) generate 40% less dust than angular abrasives, improving workshop air quality and reducing dust collection system load.
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High Impact Energy:
Cylindrical shape + high hardness enable efficient material removal (e.g., removes 200μm rust layers in 60 seconds at 0.6MPa air pressure).
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Specification Parameters
| Parameter | Specification Range | Significance for Application |
|---|---|---|
| Material | High-carbon steel wire (C: 0.45–1.2%) | Ensures high hardness (HRC 45-65) and tensile strength. |
| Particle Diameter | 0.2mm–3.0mm (customizable: 0.8mm, 1.2mm, 2.0mm) | 0.8mm for fine finishing; 2.0mm for heavy rust removal. |
| Hardness (HRC) | 45-60 | Provides exceptional wear resistance and impact force. |
| Density | 7.4 g/cm³ | Ensures high impact energy for efficient material removal. |
| Tensile Strength | ≥1500 MPa | Prevents particle breakage during high-speed blasting. |
| Microstructure | Tempered martensite | Balances hardness and toughness for durable performance. |
| Cleanliness | Oil-free, rust-free | Avoids workpiece contamination during blasting. |
Applications
Steel Cut Wire Shot serves heavy industries requiring efficient, consistent surface preparation:
Castings Cleaning:
Removes sand, scale, and burrs from iron/steel castings (e.g., engine blocks, pump housings) to achieve Ra 1.6–3.2μm surface finish, improving coating/adhesive adhesion.
Example: A Changchun automotive foundry used 1.2mm Steel Cut Wire Shot to clean engine blocks, reducing cleaning time by 30% vs. cast steel shot.
Steel Structure Rust Removal:
Removes rust, old paint, and mill scale from bridges, ship hulls, and offshore platforms to meet Sa2.5–Sa3 standards (ISO 8501-1), extending coating lifespan by 5+ years.
Automotive Parts Peening:
Shot peening for gears, springs, and crankshafts induces compressive stress, enhancing fatigue resistance (critical for high-performance engines).
Metal Surface Texturing:
Creates uniform surface profiles for non-slip floors, architectural metal panels, and tooling molds.
Usage Scenarios
Steel Structure Rust Removal
Equipment Setup:
Use a wheel blast machine or air blast system with a nozzle diameter matching the shot size (e.g., 10mm nozzle for 1.2mm shot).
Blasting Parameters:
Set air pressure to 0.6–0.8 MPa, blast angle 30–45°, distance 15–20 cm.
Inspection:
Check surface under white light-Sa2.5 requires ≥95% rust removal with a 50–75μm uniform profile.
Castings Cleaning
Tumblast Machine Setup:
Load castings into the tumbler, add 0.8mm shot (shot-to-workpiece ratio 3:1).
Operating Time:
Run for 8–12 minutes (adjust based on casting complexity).
Post-Cleaning:
Separate shot from castings via vibratory screening, then inspect for residual sand/scale.
Material & Manufacturing Process
Raw Material: High-carbon steel wire rods (SWRH82A grade) with strict chemical control (C: 0.45–1.2%, Mn: 0.3–1.2%, Si: 0.3–1.2%) to ensure consistent hardness.
Production Flow:
1,Wire Drawing: Draw steel wire rods to target diameter (precision ±0.02mm) via multi-pass drawing machines.
2,Precision Cutting: CNC cutting machines slice wire into cylindrical particles (length = diameter, ensuring 1:1 aspect ratio).
3,Heat Treatment: Quench in oil at 850–900°C, then temper at 400–450°C to achieve HRC 45-60 hardness and tempered martensite structure.
4,Deburring & Polishing: Remove sharp edges via centrifugal polishing to reduce dust and workpiece scratching.
5,Quality Inspection & Packaging: Test hardness, size, and cleanliness; package in sealed drums/bulk bags.
User Evaluation
"Our factory has been using this steel cut wire shot for surface cleaning of large castings. Its durability is impressive-the consumption rate is much lower than the product we used before. It not only cleans quickly but also delivers excellent surface uniformity, saving us significant time and subsequent processing costs. Absolutely worth the value; it's a reliable partner for high-quality manufacturing."
Rajesh Kumar
Senior Production Manager
"As a QA, I have extremely strict requirements for surface standards after pretreatment. The particle size of this steel cut wire shot is very consistent with almost no dust, ensuring a perfect and uniform surface profile after blasting, greatly improving coating adhesion. The product quality is always stable, significantly reducing our quality inspection pressure."
Sharma
Quality Assurance Engineer
"I run a family-owned metal processing workshop where cost and efficiency are key. Although the initial purchase price of this product is slightly higher, its exceptionally long service life means we don't need to replace the abrasive frequently. Overall, the total cost has actually decreased. The cleaning results are outstanding, and customer feedback on the processed workpieces has been very positive. Will continue to order!"
Vikram Patel
Factory Owne
"We needed a powerful and efficient abrasive to remove heavy scale and rust from ship steel plates. This steel cut wire shot has extremely strong cutting force and high working efficiency, helping us significantly shorten project cycles. The supplier's service is also professional and able to meet our large-volume procurement needs promptly. Highly recommended to peers in the shipbuilding and heavy industry sectors."
Arjun Singh
Procurement Director
Packaging & Shipping
Packaging:
Standard: 25kg &1-ton bulk bags
Custom: Available
Shipping:
Sea freight (FOB/CIF options). shipments to prevent damage.
Delivery & Samples
Delivery Time:
15-20 working days after order confirmation.
Custom sizes: 25-30working days (varies by production schedule).
Samples:
Free 1kg samples per size (customers cover shipping; free shipping for orders over 27 tons).
Certification & Qualification
Frequently Asked Questions
Q1: What is the difference between Steel Cut Wire Shot and ordinary grit?
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A: Steel cut wire shot is precisely cut from high-carbon steel wire, resulting in cylindrical particles with slightly blunt edges. In contrast, ordinary grit is typically made from crushed steel ingots, producing irregularly shaped, angular particles. The advantages of steel cut wire shot lie in its extremely high durability, low consumption rate, ability to deliver a more uniform surface treatment effect, and reduced dust generation.
Q2: How do I choose the right size of steel cut wire shot for my application?
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A: Selecting the appropriate size mainly depends on the desired surface treatment effect and surface profile (roughness) requirements. Generally:
Larger sizes (e.g., S-660 / 1.7mm): Used for removing heavy scale, weld slag, or for intensive shot peening.
Medium sizes (e.g., S-550 / 1.4mm): Suitable for general surface cleaning, degreasing, and derusting, making it a common all-purpose size.
Finer sizes (e.g., S-330 / 0.8mm): Used for lighter cleaning where higher surface finish is required, deburring, or achieving a finer surface profile.
It is recommended to consult with suppliers and conduct tests based on your workpiece material and initial condition.
Q3: What is the service life of steel cut wire shot? Can it be recycled?
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A: Yes, steel cut wire shot is renowned for its exceptionally long service life. It is fully recyclable abrasive media. In blasting equipment, it can be recovered, screened, and reused multiple times until it eventually wears down into powder and is separated by the dust collection system. Its service life depends on several factors, including initial hardness, impact angle, equipment pressure, and workpiece material. Typically, its consumption rate is significantly lower than other types of abrasives.
Q4: What safety precautions should be taken when using steel cut wire shot?
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A: Safety is the top priority. Please note the following:
Personal Protective Equipment (PPE): Operators must wear standard-compliant protective gear, including respiratory protection, safety goggles, gloves, abrasion-resistant workwear, and safety boots.
Equipment Inspection: Regularly inspect blasting equipment, hoses, and connections to ensure they are intact and prevent high-pressure abrasive leakage.
Ventilation and Dust Control: Ensure the work area is well-ventilated and the dust collection system is operational to minimize airborne dust concentration.
Material Safety Data Sheet (MSDS): Review the product's MSDS before operation to understand all relevant safety information and handling guidelines.
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