Eco-friendly Magnesium Alloy Square Bar
It can fully degrade in specific downhole fluids without milling,
efficient and eco-friendly, widely used for dissolvable frac plugs, dissolvable balls and other components.
- Product Description
Eco-friendly Magnesium Alloy Square Bar – Dissolvable Downhole Material for Oil & Gas

At Shaanxi Hagrien Energy Technology Co., Ltd., we specialize in manufacturing Eco-friendly Magnesium Alloy Square Bar engineered for downhole dissolvable tool applications. Our square bars deliver tensile strength ranging from 240–310 MPa, with extruded profiles up to Ø300 mm, ensuring dimensional stability and uniform microstructure control. With over 7 years of continuous production experience, we provide controlled dissolution rates, excellent machinability, and full batch traceability backed by our CNAS-accredited laboratory. Our closed-loop manufacturing system—from alloy melting to precision extrusion—enables you to transition smoothly from prototype validation to mass production with predictable lead times of 2–4 weeks for standard products.
Why Choose Our Dissolvable Magnesium Alloy Square Profiles?
You need materials that perform reliably under real downhole conditions.
Our square bars are designed specifically for oil and gas completion operations. They solve critical challenges: reducing post-job intervention, eliminating costly milling operations, and providing predictable performance in high-temperature, high-salinity environments.
Engineered for Downhole Performance
We don't just supply material. We engineer alloy systems based on your operating conditions—temperature, salinity, fluid chemistry, and target dissolution timeline.
This means you get:
- Controlled dissolution behavior tailored to your well program
- High strength and toughness for machining complex geometries
- Consistent material properties across every batch
Our product is built to support your machining workflow—from dissolvable balls and seats to sleeves, mandrels, and other temporary components.
Full Traceability and Verification
You can't afford material inconsistency in critical downhole applications.
Every batch comes with complete documentation:
- Certificate of Analysis (COA)
- Certificate of Conformance (COC)
- Safety Data Sheets (SDS)
- Full inspection records
Our CNAS-accredited HTHP laboratory validates performance before shipment. You receive materials that meet your specifications—every time.

Technical Specifications
Below are the standard parameters for our magnesium alloy square bars designed for dissolvable downhole tools:
Serial No. | Tensile Strength/MPa | Yield Strength/MPa | Elongation% | Hardness/HB | /mg/ DissolutionRate(cm2.h) | Dissolution Condition |
AML001 | ≥310 | ≥220 | ≥15.0 | ≥60 | 2-10 | 93℃/3%KCL |
AML003 | ≥200 | ≥140 | ≥32 | ≥50 | 1-5 | 93℃/3%KCL |
AML004 | ≥220 | ≥160 | ≥12.0 | ≥55 | 130-150 | 93℃/3%KCL |
AML005 | ≥300 | ≥200 | ≥15.0 | ≥60 | 90-140 | 93℃/3%KCL |
AML006 | ≥270 | ≥190 | ≥13.0 | ≥55 | 40-80 | 50℃/0.84%KCL |
AML007 | ≥290 | ≥190 | ≥14.0 | ≥60 | 40-80 | 93℃/3%KCL |
AML009 | ≥190 | ≥120 | ≥30 | ≥50 | 20-70 | 93℃/3%KCL |
AML010 | ≥220 | ≥170 | ≥14.0 | ≥55 | 30-50 | 50℃/0.84%KCL |
AML011 | ≥220 | ≥170 | ≥12.0 | ≥55 | 30-60 | 50℃/0.84%KCL |
AML012 | ≥260 | ≥210 | ≥9.0 | ≥70 | 60-100 | 50℃/0.84%KCL |
AML013 | ≥370 | ≥260 | ≥2.5 | ≥90 | 50-70 | 93℃/3%KCL |
AML014 | ≥195 | ≥125 | ≥27 | ≥45 | 15-35 | 93℃/3%KCL |
AML015 | ≥310 | ≥220 | ≥7.0 | ≥80 | 50-70 | 93℃/3%KCL |
AML016 | ≥230 | ≥180 | ≥12.0 | ≥55 | 45-65 | 50℃/0.84%KCL |
AML017 | ≥260 | ≥220 | ≥5 | ≥65 | 50-70 | 43℃/0.05%KCL |
AML018 | ≥400 | ≥280 | ≥4.0 | ≥100 | 40-60 | 93℃/3%KCL |
AML020 | ≥100 | ≥60 | ≥7.0 | ≥42.0 | 50-100 | 93℃/3%KCL |
AML021 | ≥400 | ≥300 | ≥3.0 | ≥100 | 40-60 | 93℃/3%KCL |
AML022 | ≥275 | ≥200 | ≥12 | ≥65 | 90-110 | 50℃/0.84%KCL |
AML023 | ≥450 | ≥340 | ≥3.0 | ≥100 | 10-30 | 93℃/3%KCL |
AML024 | ≥270 | ≥220 | ≥5.0 | ≥70 | 60-120 | 50℃/0.84%KCL |
AML025 | ≥360 | ≥260 | ≥3.0 | ≥100 | 40-70 | 50℃/0.84%KCL |
AML026 | ≥310 | ≥220 | ≥8.0 | ≥60 | 0-5 | 93℃/3%KCL |
Key Advantages for Your Operations
1. Adjustable Composition and Performance
We tailor alloy chemistry to match your well conditions. Whether you need faster dissolution or extended structural integrity, we adjust the formulation accordingly.
2. Low Density and Excellent Machinability
At just 1.74–1.83 g/cm³, our bars are lightweight yet strong. They machine cleanly with minimal tool wear, reducing your processing costs and scrap rates.
3. No Retrieval Required
Once dissolved, there's no need for costly fishing operations. Your tools disappear on schedule, leaving the wellbore clear for production.
4. Efficient and Eco-friendly
Our dissolvable materials eliminate the need for milling interventions. This reduces rig time, lowers carbon footprint, and supports your sustainability goals.

How We Support Your Supply Chain?
Closed-Loop Manufacturing
From raw material melting to final extrusion, we control every step. This integration ensures:
- Uniform microstructure across large-diameter profiles
- Repeatable mechanical properties
- Reduced lead time variability
Engineering-to-Spec Customization
Send us your drawings. We'll develop prototypes, validate performance, and scale to production volumes. Our engineering team works directly with yours to minimize trial-and-error costs.
Global Responsiveness
- RFQ response within 24 hours
- Quotation within 1–3 business days
- Weekly project updates aligned with North American schedules
- U.S. entity support for seamless coordination
You get the reliability of a domestic partner with the manufacturing scale of an integrated facility.
Applications in Downhole Completion Tools
Our Eco-friendly Magnesium Alloy Square Bar serves as the foundational material for critical dissolvable components:
Dissolvable Balls and Seats
Machined from square bar stock, these components provide zonal isolation during multi-stage fracturing. After completion, they dissolve predictably, restoring full bore access.

Sleeves and Mandrels
Square profiles are ideal for structural elements requiring precise dimensional control. You can machine complex internal geometries while maintaining wall thickness integrity.
Temporary Downhole Components
Any component that needs to disappear after serving its purpose—our material delivers the mechanical performance during operation and reliable dissolution afterward.
Exhibition

Frequently Asked Questions
1. What is the product mainly used for?
The product is mainly used for machining into dissolvable balls, seats, sleeves, mandrels, and other temporary downhole components. Buyers usually want to know whether the product can meet the target working condition, machining route, and final application requirement without creating unnecessary downstream risk. Our material is engineered to balance strength, machinability, and controlled dissolution in high-pressure, high-temperature well environments.
2. What key features should buyers evaluate when sourcing the product?
Buyers should evaluate chemistry stability, machinability, dimensional tolerance, and predictable dissolution response, plus reduced post-job intervention and less downhole metal left for milling or retrieval. In export purchasing, these factors matter because they directly affect processing yield, field reliability, product consistency, and the total cost of qualification. We provide full documentation and lab-verified performance data to support your evaluation process.
3. Why do international buyers choose Hagrien for the product?
Hagrien combines dissolvable alloy development, extrusion capability, CNC machining support, and batch traceability to help buyers shorten validation cycles and build a reliable second source. This helps customers reduce dependence on a single supplier, improve communication speed, and move from sample validation to stable volume supply more efficiently. Our integrated manufacturing system and U.S. operational presence ensure you receive consistent quality and responsive service.
4. What is your quality control process?
We operate with a verification-first approach. Every batch undergoes testing in our CNAS-accredited HTHP laboratory. You receive complete documentation packages including COA, COC, and SDS. Full traceability ensures audit readiness and smooth supplier qualification.

5. Can you provide custom alloy formulations?
Yes. We design alloy systems based on your specific operating conditions—temperature range, salinity levels, fluid chemistry, and target dissolution timeline. Our engineering team works with you to optimize the balance between mechanical performance and dissolution behavior.
6. What are your lead times?
Standard products ship in 2–4 weeks. Customized solutions require 4–8 weeks. Expedited delivery is available for urgent projects. We maintain safety stock for common sizes to support your production schedules.
7. Do you support prototype development?
Absolutely. We offer full OEM/ODM support, including drawing-based production, prototype development, and scaling to commercial volumes. Our engineering team assists with FAT and verification planning to reduce your time to market.

Contact Us
Ready to discuss your project requirements with Eco-friendly Magnesium Alloy Square Bar? Reach out today: cyrus@us-hagrien.com – we'll respond within 24 hours with solutions tailored to your needs.
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