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9Cr3Mo Alloy Steel Forging Tube size up to 1600mm

ETERNAL company could supply all kinds of 9Cr2Mo , 9Cr3Mo , 9Cr5Mo forging tube , size up to 1600mm 
Availability:
Quantity:
  • 9Cr3Mo-TUBE

  • ETERNAL


Understanding


The 9Cr3Mo Alloy Steel Forging Tube is a high-performance industrial component celebrated for its exceptional hardness, wear resistance, and thermal stability. Crafted from premium 9Cr3Mo alloy steel through precision forging, this tube is a preferred spare part for steel plant work rolls and a wide range of high-stress mechanical applications. Its unique chemical composition—featuring balanced carbon (C: 0.85-0.95%), chromium (Cr: 2.5-3.5%), and molybdenum (Mo: 0.20-0.40%)—creates a synergistic effect that enhances hardenability, corrosion resistance, and resistance to tempering softening. As a high performance alloy steel forging tube, it thrives in harsh environments requiring high load-bearing capacity, precision, and long-term reliability. With a size range of up to 1600mm in diameter and 6000mm in length, it offers versatile solutions for industries from steel production to precision manufacturing.


9Cr3Mo Alloy Steel Forging Tube size up to 1600mm


Technical Parameters


Parameter

Specification

Model

9Cr3Mo-TUBE

Material

High-Purity 9Cr3Mo Alloy Steel

Chemical Composition

C:0.85-0.95%, Si:0.25-0.45%, Mn:0.20-0.35%, Cr:2.5-3.5%, Mo:0.20-0.40%, Ni:max0.25%

Mechanical Hardness

HRC54-68 (HRC65-68 with cryogenic treatment + chrome plating; HRC54-60 with conventional heat treatment)

Size Range

Max Diameter: 1600mm, Max Length: 6000mm

Heat Treatment Options

Annealing, Quenching and Tempering, Cryogenic Treatment

Delivery Condition

1. Forged+Annealing+Black Surface; 2. Forged+Annealing+Polish; 3. Forged+Quenching/Tempering+Black Surface; 4. Forged+Quenching/Tempering+Polish

Transport Package

Protective Steel Pallet / Custom Wooden Crate

Warranty Period

1 year

Customization Service

Size, heat treatment, surface finish, wall thickness customization


Features


Optimized Chemical Composition Synergy & Exceptional Hardness & Wear Resistance

The 9Cr3Mo alloy steel’s precise element ratio—carbon for basic hardness, chromium for hardenability/corrosion resistance, and molybdenum for thermal strength—ensures superior performance in high-stress, high-temperature industrial environments.

With a hardness range of HRC54-68, the tube maintains high-temperature hardness via stable carbides formed by carbon and alloying elements, making it ideal for wear-intensive applications like steel plant work rolls.


Versatile Heat Treatment Options & Large-Size Capability & Precision Forging

Offering annealing, quenching and tempering, and cryogenic treatment, the tube can be tailored to specific needs—e.g., cryogenic treatment for ultra-high precision scenarios like battery electrode rolling.

Capable of producing tubes up to 1600mm in diameter and 6000mm in length, our precision forging process ensures uniform grain structure, minimal defects, and tight dimensional tolerances for large-scale industrial equipment.


Typical Uses


The 9Cr3Mo Alloy Steel Forging Tube is primarily utilized as a critical component for steel plant work rolls, where its high hardness and wear resistance ensure consistent rolling quality and long service life. Beyond steel plants, it excels in precision rolling equipment for battery electrode manufacturing (surface roughness Ra ≤ 0.4μm), mechanical components (bearings, springs) in round steel/bar forms, and high-strength industrial cylinders/bushings. Its excellent tensile strength and toughness make it suitable for cold-rolled industrial roll applications, automotive part production, and aerospace component manufacturing. It is also ideal for petrochemical equipment and heavy machinery requiring high-temperature stability and corrosion resistance.


FAQ


What makes 9Cr3Mo alloy steel superior to other alloy steels?

Its unique element synergy—chromium enhances hardenability and corrosion resistance, molybdenum improves thermal strength and tempering resistance, and carbon provides base hardness—makes it ideal for high-stress, high-temperature applications where ordinary alloys fail to perform.


What is the hardness range, and how is it selected?

Hardness ranges from HRC54-68. Choose HRC54-60 (conventional heat treatment) for general wear-resistant scenarios; opt for HRC65-68 (cryogenic treatment + chrome plating) for ultra-high precision applications like battery electrode rolling.


Can I customize the tube’s size and wall thickness?

Yes, our customization service supports size adjustments within max diameter 1600mm and max length 6000mm. We also tailor wall thickness to match your equipment’s load-bearing requirements.


Which delivery condition is best for my application?

Forged+Annealing+Black Surface: Cost-effective for customers planning on-site processing.

Forged+Annealing+Polish: Ready for direct assembly in precision equipment.

Forged+Quenching/Tempering+Black Surface: High-strength option for heavy-load applications with on-site finishing.

Forged+Quenching/Tempering+Polish: Ready-to-use for high-performance, high-precision systems.


Is this tube suitable for cold rolling processes?

Absolutely. As a high-performance cold-rolled industrial roll steel, it offers excellent wear resistance and tensile strength. Its surface can be polished to Ra ≤ 0.4μm, making it perfect for cold rolling applications like battery electrode production and metal sheet forming.


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