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30CrMo Alloy Seamless Steel Pipe of High Strength and Toughness
This 30CrMo alloy seamless steel pipe delivers exceptional high strength and toughness for demanding applications. Its superior mechanical properties ensure reliable performance under extreme pressure and heavy loads.
Description
Tianjin Wanlei Steel Pipe Co., Ltd. is one of the leading manufacturers and suppliers of 30CrMo Alloy Seamless Steel Pipe of High Strength and Toughness in China, featured by quality products and low price. If you're going to wholesale durable 30CrMo Alloy Seamless Steel Pipe of High Strength and Toughness made in China, welcome to get pricelist and free sample from our factory.
30CrMo Alloy Seamless Steel Pipe of High Strength and Toughness
Product introduction
This 30CrMo alloy seamless steel pipe offers an exceptional balance of high strength and toughness, achieving a tensile strength of ≥930 MPa and a yield strength of ≥785 MPa in the quenched and tempered condition. Its chromium-molybdenum composition provides excellent hardenability, high-temperature strength up to 500°C, and superior resistance to hydrogen embrittlement and creep. The seamless construction ensures uniform structural integrity without weld seams, making it highly reliable for high-pressure, high-temperature, and heavy-load applications in oil and gas, power generation, and mechanical engineering.
Product Specification
|
Product name |
30CrMo Alloy Seamless Steel Pipe |
|
Place of origin |
China |
|
Material standard |
GB/T 3077 |
|
Execution standard |
ASTM, JIS, GB, etc. |
|
Material grades |
30CrMo (4130) |
| Production process | Hot rolled or Cold rolled |
|
Outer diameter |
10.3mm-457.2mm |
|
Wall thickness |
1mm-60mm |
|
Length |
3m-12m or customized length |
|
Surface treatment |
Usually bare pipe or as per clients' requirements |
|
Pipe ends |
Plain ends, Bevel ends, etc. |
Chemical compositions %
|
Steel grade |
C |
Si |
Mn |
P, max |
S, max |
Cr |
Mo |
Ni, max |
| 30CrMo | 0.26-0.33 | 0.17-0.37 | 0.40-0.70 | 0.020 | 0.010 | 0.80-1.10 | 0.15-0.25 | 0.30 |
Mechanical properties
|
Steel grade |
Tensile strength,min(Mpa) |
Yield strength,min(Mpa) |
Elongation,min(%) |
Impact energy |
|
|
Temperature ℃ |
J,min | ||||
| 30CrMo | 930 | 785 | 12 | -50 | 27 |
Heat treatment
| Steel grade | Normalizing | Tempering | ||
| Temperature ℃ | Cooling | Temperature ℃ | Cooling | |
| 30CrMo | 860-900 | water, oil | 490-590 | water, oil |
Product feature and application
This 30CrMo alloy seamless steel pipe features superior tensile strength and impact toughness due to its chromium-molybdenum composition and seamless manufacturing process. It offers excellent resistance to high temperatures, pressure, and wear, ensuring reliable performance in extreme conditions. Widely used in oil and gas drilling, petrochemical processing, power generation, and heavy machinery manufacturing, this pipe is ideal for critical applications requiring high structural integrity and durability under demanding loads.
Production details
The 30CrMo alloy seamless steel pipe achieves its exceptional strength and toughness through a precise chromium-molybdenum composition and advanced seamless manufacturing processes like hot rolling or cold drawing. This results in a uniform, weld-free structure with high dimensional accuracy and a smooth surface finish. After quenching and tempering, it delivers a tensile strength of ≥930 MPa and yield strength of ≥785 MPa, while maintaining excellent impact resistance. Its superior hardenability allows it to retain mechanical properties at temperatures up to 500°C and resist hydrogen embrittlement, making it ideal for critical applications in oil & gas, power generation, and heavy machinery where reliability under extreme pressure and heat is paramount.
Deliver,shipping and serving
why choose us
'lt is awesome to work with Creative. amazingy organized,easy to communicate with. responsive with next iterations,and beautiful work.
One-Stop Solution
We provide comprehensive supply chain services from raw material sourcing to final delivery, ensuring a seamless procurement experience for global industrial projects.
Premium Quality Assurance
Every pipe undergoes strict ultrasonic testing and chemical analysis to guarantee high tensile strength, toughness, and compliance with international standards like ASTM and DIN.
Global Logistics Network
With strategic warehouses in 27 major cities and 50 delivery centers, we offer efficient 24/7 shipping solutions to ensure your materials arrive on time, anywhere in the world.
Expert Technical Support
Our engineering team offers 24/7 consultation on material selection, heat treatment processes, and welding guidance to solve complex technical challenges for your specific applications.
FAQ
Q: What are the key mechanical properties of 30CrMo seamless pipes?
A: After quenching and tempering, they achieve tensile strength ≥930 MPa and yield strength ≥785 MPa. This ensures excellent resistance to high pressure and impact loads in demanding environments.
Q: Can these pipes withstand high-temperature operating conditions?
A: Yes, the Cr-Mo alloy provides superior stability and creep resistance at temperatures up to 500°C. This makes them ideal for power generation boilers and petrochemical reactors.
Q: What manufacturing standards do your steel pipes comply with?
A: Our products strictly follow international standards like ASTM A335, DIN 17175, and GB/T 3077. We provide full mill test certificates to verify chemical composition and mechanical performance.
Q: Do you offer customization for specific project requirements?
A: Yes, we support custom cutting, threading, and specific heat treatment processes to meet your needs. Our team can also adjust dimensions and tolerances based on your engineering drawings.
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