Tube Assembly

Tube Assembly for automotive braking systems, covering brake and fluid transfer tubes with OEM/ODM customization, stable supply, and strict process control for aftermarket, repair, and vehicle production.

Pipe H8 Tolerance Honing Tubecrystal20 Din2391 St52 Hydraulic Cylinder Honed Tubes Precision Natural Seamless Alloy Steel API

$520-580 /ton

Price varies depending on material, logo, quantity and customization requirements.

MOQ 1 ton
Model NO. SC-13799
Service OEM / ODM
Quality You Can Trust
Flexible & Scalable Solutions
Customizable Product Options
Comprehensive Specifications
Your Reliable Business Partner
Category: Tube Assembly

Introduction

ApplicationFluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, Oil Pipe, Chemical Fertilizer PipeStandardGB
GradeASTM A36 A53 A106 A572 GR.50 AISI 1018 1045 4140 SCertificateAPI , CE, ISO 9001, RoHS
Alloy Or NotIs AlloySection ShapeRound
Surface TreatmentID HonedLength6 m, 12 m, Customized, 6.4 m
Tolerance±1%Special PipeThick Wall Pipe, API Pipe, Other, EMT Pipe
Oiled or Non-oiledSlightly OiledProcessing ServiceWelding, Punching, Cutting, Bending, Decoiling
Delivery Time8 ~ 14 daysInvoicingBy Actual Weight
Outer Diameter30 - 1200 mmProduct nameCE-certified high-precision cylinder tube
MOQ0.5TonToleranceH7, H8, H9
TypesSeamless, Cold Drawn, Honed, Skived Roller BurnishedMaterialST37/ST45/ST52/25Mn/27SiMn/E355/SAE1026/STKM13C
Steel GradeST37 ST52 SAE1518 SAE1020PAYMENT30%TT+70%TT / TT
Key Advantage ifeExcellent Wear Resistance, Long Service LID RoughnessRa 0.2max
Length1m - 12m as customer required

We are China Loong Auto Brake Co., Ltd., a professional manufacturer and supplier specializing in Auto Brake. We have brought together and coordinated resources across the Auto Brake supply chain, enabling us to maintain consistent product quality and establish long-term partnerships with clients worldwide.

Our mission is to provide high-quality products and reliable service. We are committed to offering the following advantages:

  • Stable production system ensuring consistent quality, dependable supply, and standardized manufacturing management;
  • Strict quality control covering material selection, processing, surface finishing, and final packaging;
  • Variety of products and specifications to meet diverse project requirements and application scenarios;
  • OEM & customization support based on drawings, samples, or specific technical requirements;
  • Flexible packaging solutions to ensure safe handling and transportation of products;
  • Continuous improvement in products and services to better support customers in different markets.

If you are interested in our products, please feel free to contact us. We look forward to establishing long-term and mutually beneficial cooperation with you.

Copyright © 2026 China Loong Auto Brake Co., Ltd. All rights reserved.
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Pipe H8 Tolerance Honing Tubecrystal20 Din2391 St52 Hydraulic Cylinder Honed Tubes Precision Natural Seamless Alloy Steel API

SKU: SC-13799

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