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    Flame Sprayed Nickel-Based Alloy Frac Plungers (4″, 4.5″, 5″)
    Flame Sprayed Nickel-Based Alloy Frac Plungers (4″, 4.5″, 5″)
    Flame Sprayed Nickel-Based Alloy Frac Plungers (4″, 4.5″, 5″)
Flame Sprayed Nickel-Based Alloy Frac Plungers (4″, 4.5″, 5″)
Flame Sprayed Nickel-Based Alloy Frac Plungers (4″, 4.5″, 5″)
Flame Sprayed Nickel-Based Alloy Frac Plungers (4″, 4.5″, 5″)

/ Frac Pump Plungers

Flame Sprayed Nickel-Based Alloy Frac Plungers (4″, 4.5″, 5″)

In the punishing environment of hydraulic fracturing, a plunger is only as good as its bond. Our Flame Sprayed Nickel-Based Alloy Plungers are reviewed against the exact model, dimensions, drawing or sample and service conditions before quotation

Technical Specifications

  • Coating Material: Nickel-Based Alloy (Ni-Cr-B-Si)
  • Surface Hardness: 58 - 62 HRC
  • Surface Finish: Ra 2 - 4 µin (Mirror Polish)
  • Core Material: AISI 1045 / 4140 Carbon Steel
  • Porosity: Near Zero (after fusing)
  • Available Sizes: 4.0
  • Compatible Pumps: SPM®, Gardner Denver®, FMC®, MSI®
  • Manufacturing Process: Flame Spray & Fuse (Thermal Spray)

Applications

  • Compatible Pumps: SPM®, Gardner Denver®, FMC®, MSI®

Flame Sprayed Nickel-Based Alloy Frac Plungers (4″, 4.5″, 5″)

1. Executive Summary: The Metallurgical Bond Advantage

In the punishing environment of hydraulic fracturing, a plunger is only as good as its bond. Our Flame Sprayed Nickel-Based Alloy Plungers are reviewed against the exact model, dimensions, drawing or sample and service conditions before quotation

Unlike inferior “cold spray” coatings that mechanically adhere and risk delamination, we utilize a premium Flame Spray & Fuse process. This technique applies a high-grade Nickel-Chrome-Boron-Silicon (Ni-Cr-B-Si) alloy to the steel core, which is then fused at temperatures exceeding 1,900°F. The result is a non-porous, homogenous Metallurgical Bond that withstands the extreme thermal shock, abrasion, and corrosion of modern frac and acidizing operations.

2. Technical Deep Dive: The Flame Spray Process

Step 1: Application (The Spray)

We use advanced oxygen-acetylene flame spray systems to deposit the Nickel-Based Alloy powder onto the prepared AISI 1045/4140 steel core. The flame melts the powder particles as they are projected onto the surface, creating a dense, uniform overlay.

Step 2: Fusion (The Critical Difference)

This is where our quality stands out. After spraying, the plunger undergoes a secondary Fusing Process using induction or torch heating.

  • Zero Porosity: Fusing eliminates the microscopic voids inherent in standard spraying, creating a solid, dense barrier against corrosive fluids.

  • ** metallurgical Bond:** The heat causes the alloy to diffuse into the steel substrate. The coating doesn’t just “sit” on the steel; it becomes one with it. This eliminates the risk of coating flaking or chipping, even under high-pressure pulsation (15,000+ PSI).

3. Material Science: Nickel-Based Alloy (Ni-Cr-B-Si)

We use a specially formulated Nickel-Based Self-Fluxing Alloy (industry equivalent to Colmonoy® 6 or 88).

  • Extreme Hardness: Achieves 60-62 HRC, safeguarding against the scouring action of frac sand and ceramic proppants.

  • Corrosion Resistance: The high Nickel and Chromium content provides excellent protection against HCL (Hydrochloric Acid) and sour gas fluids, making these plungers ideal for both Acidizing and Fracking fleets.

4. Detailed Specifications

Technical Parameter Specification Notes
Manufacturing Process Flame Spray & Fuse (Thermal Spray) Ensures Metallurgical Bond
Coating Material Nickel-Based Alloy (Ni-Cr-B-Si) ISO Standard Hard-Facing
Surface Hardness 58 – 62 HRC High abrasion resistance
Surface Finish Ra 2 – 4 µin (Mirror Polish) Precision Ground & Polished
Core Material AISI 1045 / 4140 Carbon Steel High Tensile Strength
Porosity Near Zero (after fusing) Prevents pitting corrosion
Available Sizes 4.0″, 4.5″, 5.0″ Mainstream frac sizes
Compatible Pumps SPM®, Gardner Denver®, FMC®, MSI® Fits most Quintuplex/Triplex

5. Why Choose Flame Sprayed Nickel Alloy?

Feature Flame Sprayed (Fused) Standard Chrome Plating Ceramic
Bond Strength Excellent (Metallurgical) Poor (Mechanical) N/A (Solid)
Impact Resistance High (Ductile Core) Medium Low (Brittle)
Acid Resistance Excellent Poor Excellent
Cost Efficiency Best Value Cheap (Short Life) Expensive
Repairability Can be reground/resprayed Disposable Non-repairable

6. Sizes & Applications

  • 4.0″ Plungers: For high-pressure pumping (Max PSI) in deep well completions.

  • 4.5″ Plungers: The industry workhorse for standard fracturing operations.

  • 5.0″ Plungers: High-volume flow for “Zipper Fracs” and efficient pump down operations.

7. Maintenance & Care

Our Flame Sprayed plungers are designed for longevity, but proper care ensures maximum life:

  • Packing Match: Best performance when paired with Gold (Kevlar/Teflon) or Hard-Style packing rings.

  • Cooling: Ensure proper lube oil flow to dissipate heat generated by friction.

  • Regrinding: The thick Nickel Alloy coating allows for undersize regrinding, extending the asset life significantly.

Flame Sprayed Nickel-Based Alloy Frac Plungers (4″, 4.5″, 5″)