42CrMo Steel Pipe Supplier | AISI 4140 Equivalent Alloy Steel Tube

42CrMo Steel Pipe Supply Range

CJM Steel supplies 42CrMo steel pipe in different sizes, product forms and delivery conditions. 42CrMo seamless steel pipe is the primary supply form for high-strength mechanical and industrial applications.

Product Forms

Product Form	Supply Capability
42CrMo seamless steel pipe	Main supply form
Large diameter 42CrMo seamless pipe	Available
Thick wall 42CrMo seamless pipe	Available
Large diameter & thick wall pipe	Available
42CrMo mechanical tubing	Available
Q&T 42CrMo steel pipe	Available
Cut-to-length 42CrMo pipe	Available

Available Specifications

• Outer diameter: 10–600 mm
• Wall thickness: 2–80 mm
• Length: Random length or fixed cut length
• Delivery condition:
  • Hot rolled
  • Cold drawn
  • Normalized
  • Quenched & tempered (Q&T)

Large diameter and thick wall 42CrMo seamless steel pipe can be supplied for heavy-duty applications requiring high load capacity, strength and dimensional stability.

Customized sizes, lengths and delivery conditions are available according to drawings, technical requirements and project specifications.

Applications of 42CrMo Steel Pipe

42CrMo steel pipe is widely used in industries where high strength, toughness and wear resistance are required.

Typical applications include:

• Mechanical components, including shafts, gears and structural parts
• Hydraulic cylinders and precision mechanical systems
• Oil & gas equipment and drilling tools
• Heavy machinery and mining equipment
• High-load industrial components

Large diameter and thick wall 42CrMo seamless steel pipe is commonly selected for heavy-duty equipment and components exposed to demanding operating conditions.

42CrMo Steel Pipe Supplier & Export Supply

As an experienced 42CrMo steel pipe supplier, CJM Steel supports distributors, engineering companies, manufacturers and EPC projects with reliable steel pipe supply solutions.

Our supply services include:

• Bulk supply for industrial projects
• Large diameter 42CrMo seamless steel pipe
• Thick wall 42CrMo seamless steel pipe
• Customized cutting and processing
• Flexible delivery conditions including Q&T supply
• Material inspection and documentation support
• Export packaging and international logistics coordination

We provide technical coordination from quotation to shipment, helping customers confirm material grade, dimensions, quantity and delivery requirements before production.

CJM Steel supports international projects, including customers in Russia and CIS markets, with flexible supply solutions for mechanical and industrial applications.

Quality & Inspection of 42CrMo Steel Pipe

For project and bulk orders, CJM Steel provides inspection and documentation according to customer requirements and applicable standards.

Quality control options include:

• Chemical composition inspection
• Mechanical property testing
• Dimensional inspection
• Visual inspection
• Heat treatment verification
• Mill Test Certificate (MTC)
• EN 10204 3.1 documentation where applicable
• Third-party inspection when required

Inspection requirements can be confirmed before production to ensure the supplied 42CrMo steel pipe meets project specifications.

Chemical Composition & Mechanical Properties

Chemical Composition (Typical Range)

Grade	C	Cr	Mo
42CrMo	0.38–0.45	0.90–1.20	0.15–0.30

Mechanical Properties (Quenched & Tempered Condition)

Mechanical properties of 42CrMo steel pipe depend on section size and heat treatment condition:

• For smaller sections (≤100 mm):
  • Yield strength ≥ 930 MPa
  • Tensile strength ≥ 1080 MPa
• For larger sections (100–150 mm):
  • Yield strength ≥ 785 MPa
  • Tensile strength ≥ 980 MPa

Actual values may vary depending on wall thickness and processing route.

2CrMo is commonly compared with international Cr-Mo alloy grades during material selection. For detailed information about 42CrMo equivalent materials, including AISI 4140 and other international grade comparisons, please see our dedicated guide.

Why Choose CJM Steel as Your 42CrMo Steel Pipe Supplier

CJM Steel provides 42CrMo steel pipe supply for international industrial and engineering applications with flexible specifications and project-oriented service.

Advantages include:

• Reliable supply of 42CrMo seamless steel pipe
• Large diameter and thick wall pipe supply capability
• Customized dimensions and processing options
• Controlled material quality and inspection procedures
• MTC and inspection documentation support
• Experience serving mechanical, hydraulic, oil & gas and heavy equipment industries
• Flexible export solutions for international markets
• Professional packaging and logistics coordination

Our team supports customers from technical confirmation and quotation to production and shipment.

FAQ

What is 42CrMo steel pipe used for?

42CrMo steel pipe is commonly used for mechanical components, hydraulic systems, oil & gas equipment, heavy machinery and mining applications requiring high strength and toughness.

Can you supply 42CrMo seamless steel pipe?

Yes. 42CrMo seamless steel pipe is the main supply form, with customized dimensions, lengths and delivery conditions available.

Do you supply large diameter 42CrMo steel pipe?

Yes. CJM Steel supplies large diameter 42CrMo seamless steel pipe for heavy-duty mechanical and industrial applications.

Do you supply thick wall 42CrMo steel pipe?

Yes. Thick wall 42CrMo seamless steel pipe is available for applications requiring high load capacity and strength.

Can 42CrMo steel pipe be supplied in Q&T condition?

Yes. Quenched and tempered (Q&T) 42CrMo steel pipe is available for applications requiring enhanced mechanical performance.

Can you provide customized cutting and processing?

Yes. Cut-to-length and customized processing services are available according to drawings and project requirements.

Can you provide inspection documents?

Yes. MTC and inspection documents can be provided according to customer requirements and applicable standards.

Is 42CrMo equivalent to AISI 4140?

42CrMo and AISI 4140 are commonly considered corresponding Cr-Mo alloy grades, but exact equivalence depends on standards and specifications. Detailed comparisons are available in our 42CrMo Equivalent Material guide.

Q: What is your company’s main products/services?

A: We are a professional manufacturer for Carbon Steel, Alloy Steel and Profile products. We have the experience of steel business for more than 10 years and our products are exported to Mid East,South America,Southeast Asia,Africa,South and East Asia etc.

Q: Can I go to your factory for a visit?

A: Of course, we welcome customers from all over the world to visit our factory.

Q: What are your terms of payment?

A: 30% T/T deposite and 70% balance before shipment.

Q: What is your delivery time?

A: For stocks,we could transport the goods to loading port within 7 days after we received the deposit; For production,it usually takes about 15-30 days after receiving the deposit.

Q: Do you provide samples? Are they free or paid?

A: Samples are available for free,but the courier freight will be covered by customer account.

Q: Do you accept the third party inspection?

A:Yes, we fully accept ‌third-party inspections.

Q: Why should I buy from you not from other suppliers?

A: Integrating the superior resources of China’s steel industry, we provide customers with high-quality steel products at preferential prices, and can ensure that the goods are delivered to customers in a timely manner.

Q:How can you guarantee quality?

A: Always a pre-production sample before mass production;Always 100% inspected before shipment