
12Cr2Mo Structural Round Tubing Alloy Steel Seamless Steel Tubes For Petroleum Cracking
Material
12Cr2Mo is a low-alloy steel known for its excellent strength, toughness, and resistance to high temperatures and pressures. This makes it particularly suitable for applications in the petroleum industry, especially for cracking processes where materials are subjected to extreme conditions.
Specification
12Cr2Mo seamless steel tubes are manufactured to meet stringent industry standards, ensuring reliability and performance in demanding environments. These tubes are typically produced in a range of sizes and wall thicknesses to accommodate various applications and requirements.
Key Features
- High Temperature Resistance: Capable of withstanding elevated temperatures, making it ideal for high-temperature applications.
- Corrosion Resistance: Offers good resistance to oxidation and corrosion, extending the lifespan of the tubes.
- Mechanical Strength: Provides excellent mechanical properties, ensuring durability and reliability under stress.
- Versatility: Suitable for a wide range of applications, particularly in the petrochemical industry.
Chemical Composition
The chemical composition of 12Cr2Mo alloy steel is crucial for its performance characteristics. Below is a table detailing its typical composition:
Element | Composition (%) |
Carbon (C) | 0.08 - 0.15 |
Silicon (Si) | 0.17 - 0.37 |
Manganese (Mn) | 0.40 - 0.70 |
Chromium (Cr) | 2.00 - 2.50 |
Molybdenum (Mo) | 0.90 - 1.20 |
Phosphorus (P) | ≤ 0.035 |
Sulfur (S) | ≤ 0.035 |
Mechanical Properties
The mechanical properties of 12Cr2Mo steel are essential for understanding its performance under operational conditions. The table below outlines these properties:
Property | Value |
Tensile Strength | 450 - 600 MPa |
Yield Strength | ≥ 275 MPa |
Elongation | ≥ 20% |
Impact Toughness | ≥ 41 J (at room temp) |
Similar Standards and Steel Grades
12Cr2Mo is comparable to several international standards and steel grades, which include:
- ASTM A335 P22: A specification for seamless ferritic alloy-steel pipe for high-temperature service.
- DIN 1.7335: A German standard for similar alloy compositions.
- JIS G3467 STBA22: A Japanese standard for alloy steel tubes for boiler and heat exchanger.
Application
12Cr2Mo seamless steel tubes are primarily used in the petroleum industry, particularly for:
- Petroleum Cracking: Used in the construction of cracking units where high temperatures and pressures are prevalent.
- Heat Exchangers: Ideal for heat exchanger tubes due to their thermal stability and corrosion resistance.
- Boilers and Pressure Vessels: Suitable for use in boilers and pressure vessels where high strength and durability are required.





TORICH Group, an one-stop service provider of raw materials engaged in raw material production, R&D and
trade, has 30+ years of experience in the market, exported to 56 +countries, and won good reputation and
credibility among domestic and foreign customers.
The company's production plant covers an area of over 10,000 square meters, with an annual production
capacity of 50,000 tons of materials and a comprehensive trading and warehousing capacity of 100,000 tons, which can satisfy customers' personalized needs for raw materials in terms of diversity and timeliness.
The group holds shares in more than ten domestic production entities, whose main products include
seamless steel pipes ( carbon steel and stainless steel), welded pipes ( carbon steel and stainless steel), pipe fittings ( carbon steel and stainless steel), titanium (titanium tubes, titanium rods, titanium cakes, titanium plates, etc.), aluminum (aluminum tubes, aluminum rods, aluminum die casting, aluminum casting, CNC machining), and CNC deep processing of metal materials such as tubes, rods, and casting parts.
Over the past 30 years, the company has been gradually developing new technologies and materials to meet
the growing needs of customers and various diversified needs, exporting to more than 56 countries and still
increasing the number of exporting countries, aiming to help customers to solve the demand for raw materials, and to facilitate one-stop purchasing for customers.






Q: Are you trading company or manufacturer ?
A: manufacturer,also can do trading.
Q: How long is your delivery time?
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.