Round Tube Steel Components

Round Tube Steel Components for steel structures, cut-to-length or welded, with OEM/ODM manufacturing, quality control and reliable supply.

4140 Alloy Steel Seamless Pipe ASTM A519 Standard OD 10-620mm Industrial Round Tube for Mechanical Structure Customizable

$800-850 /ton

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

MOQ 1 ton
Model NO. SC-7985
Service OEM / ODM
Quality You Can Trust
Flexible & Scalable Solutions
Customizable Product Options
Comprehensive Specifications
Your Reliable Business Partner

Introduction

StandardAiSiTolerance±15%, ±5%, ±10%
CertificateAPI , CE, ISO 9001Processing ServiceWelding, Cutting, Bending
Delivery Timewithin 7 daysGrade42CrMo4,4140,42CrMo4,SCM430TK
ApplicationTransmission shaft, mechanical manufacturingThickness5-100mm
Product NameAlloy Seamless Steel Pipe

We are a professional manufacturer and supplier, dedicated to maintaining consistent quality and establishing 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 Steel Structure Co., Ltd. All rights reserved.
Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

4140 Alloy Steel Seamless Pipe ASTM A519 Standard OD 10-620mm Industrial Round Tube for Mechanical Structure Customizable

SKU: SC-7985

Contact Form (#3)

Home

Products

About

Contact