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High Duty 7 Rollers Steel Strip Flattener for ERW Tube Mill Line,ERW Tube Mill Entry Strip Leveler

Equipment Composition

Mechanic: Center aligning device, pinching roll device, flattening device

Hydraulic: Shared among the hydraulic system of entry section

Electric: Shared among the electrical control system of entry section

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Product Introduction

Overview

Our High Duty 7 Rollers Steel Strip Flattener (also known as strip leveler) is vital entry‑section equipment for a complete ERW tube mill line, installed right after the uncoiler to condition steel strips before forming and welding processes. Designed to eliminate coil‑set curvature, edge waviness and residual internal stress from hot‑rolled or cold‑rolled steel coils, this flattening machine delivers uniformly flat strip material for downstream steel tube forming, greatly stabilizing welding seam quality and lowering pipe rejection rates.
Engineered for carbon steel, alloy steel and galvanized steel strips, our ERW flattener adopts heavy‑duty hardened leveling rolls and adjustable pinch rolls. It supports synchronized automatic operation with uncoiler, shear‑butt welder and accumulator within the ERW pipe production workflow. Hydraulic pressure adjustment enables quick parameter changeover for different strip thickness and width, adapting to diverse ERW tube mill capacities and OCTG pipe manufacturing requirements.
Boasting robust welded frame structure, easy access for roll replacement and routine maintenance, our flattener ensures long‑term continuous heavy‑duty running. Custom‑tailored configurations are available according to your actual strip specifications and plant layout. Contact us to get technical datasheets and quotations for your ERW tube mill project.

Our Advantages

  • Precision Leveling Performance: Adopts multi-roll staggered leveling structure to apply uniform alternating bending force on steel strips, thoroughly correcting strip deformation and ensuring excellent flatness without damaging material texture.
  • Stable Line Operation: Synchronizes perfectly with the full ERW production line speed, realizing continuous, jitter-free strip feeding, effectively avoiding production stagnation caused by unflat materials.
  • Improve Final Pipe Quality: Optimizes strip flatness consistency, guarantees precise weld seam alignment and uniform welding, greatly reduces welding defects, pipe ovality and finished product rejection rate.
  • Wide Material Compatibility: Adaptable to carbon steel, galvanized steel, alloy steel and other common pipe-making materials, suitable for various specifications of strip thickness and width, meeting diverse tube production demands.
  • Durable & Low Maintenance: Equipped with high-strength leveling rolls and rigid mechanical structure, featuring wear resistance, stable operation and long service life, minimizing daily maintenance and production costs.
  • Flexible Adjustable Design: Supports precise roll gap adjustment, easy parameter calibration for different raw materials and production standards, ensuring flexible and efficient production.

About GH-Petro

GH-Petro supplies customized ERW & OCTG pipe mill solutions.We combine domestic craftsmanship and international leading technologies to deliver high-quality equipment and reliable services.

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Order Process

1️⃣ Send Your Inquiry
Tell us your product needs and order details.

2️⃣ Confirm the Solution
We recommend the right product and confirm the price.

3️⃣ Production & Quality Check
We arrange production and check the quality before delivery.

4️⃣ Shipping & Support
We ship the goods and provide after-sales support.

Simple. Fast. Reliable.
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Frequently Asked Questions

We are a professional manufacturer and we could supply customized mill for ERW pipes and full-range OCTG pipes to meet your request,which include Entry Section,Forming&Sizing,Solid State HF Welder,Straightening Machine,Cold Flying Saw,End Facing Machine,Hydro-tester,UT Flaw Detection Machine,Threading Machine,Bucking Machine and Pipes Packing Machine.
MOQ is flexible for us and one set is feasible.Of course our team also could supply you a complete solution according to your request.
All kinds of our equipment are designed for producing pipes meeting API 5CT, API 5L, ASTM, EN, ISO and GB standards, suitable for oil & gas, pipeline, structural and industrial pipe applications.
Yes. We offer full turn key solutions including process design, equipment manufacturing, installation guidance, commissioning, operator training and after sales service.
Absolutely. Our heat treatment and forming systems are specially engineered for high strength steel grades required for deep well oil and gas OCTG pipes.
T/T, L/C at sight are available. Flexible payment terms can be discussed for large scale turn key projects.
We provide 12 month warranty for core components from the date of shipment, with lifelong technical consultation and spare part supply service.

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