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.

Cold Rolled Honed Tube for Damper Assembly Front Fork Grade 45# ST52 DIN Standard with Cutting Service

$5-10 /metric tons

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

MOQ 10 metric tons
Model NO. SC-13747
Service OEM / ODM
Quality You Can Trust
Flexible & Scalable Solutions
Customizable Product Options
Comprehensive Specifications
Your Reliable Business Partner
Category: Tube Assembly

Introduction

ApplicationHydraulic PipeStandardDIN
Grade45# ST52 25Mn 20# 20MnV6 42CrMo4 40CrCertificateISO 9001
Alloy Or NotNon-AlloySection ShapeRound
Surface TreatmentCold RolledLength6 m, 12 m, 6.4 m
ToleranceF7, F8, customizableSpecial PipeOther
Oiled or Non-oiledSlightly OiledProcessing ServiceCutting
Delivery Time31 ~ 45 daysInvoicingBy Actual Weight
Outer Diameter30 - 500 mmMaterialC20 ST52(E355) SAE1026 CK45 4140 STKM 13C
Packingeach piece is wrapped in a waterproof paper bubeMOQ2 Tons
Payment terms30%T/T Advance + 70% Balancesalt spray testLevel 9 150-300 houes
Chromium plating thikness0.02mm-0.5mmSurface roughness≤0.05μm
Straightness≤0.0mm/mQuenching and tempering hardnessHB220-360
High- frequency quenchingHRC50-60

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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Cold Rolled Honed Tube for Damper Assembly Front Fork Grade 45# ST52 DIN Standard with Cutting Service

SKU: SC-13747

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