
16MnCr5 Carbon Steel Seamless Pipe: Case Hardening Steel Tube for Automobile
Material Specification
16MnCr5 is a low-alloy steel known for its excellent case hardening properties, making it an ideal choice for automotive applications. This steel grade is widely used in the manufacturing of seamless pipes and tubes, which are essential components in the automotive industry due to their strength, durability, and wear resistance.
Key Features
- High Wear Resistance: The case hardening process enhances the surface hardness, providing excellent wear resistance.
- Good Toughness: Retains toughness and ductility in the core, ensuring durability under stress.
- Machinability: Offers good machinability, allowing for precision manufacturing.
- Versatility: Suitable for a variety of applications, especially in the automotive sector.
Chemical Composition
The chemical composition of 16MnCr5 is crucial in determining its properties. Below is a table presenting its typical chemical composition:
Element | Composition (%) |
Carbon (C) | 0.14 - 0.19 |
Silicon (Si) | 0.17 - 0.37 |
Manganese (Mn) | 1.00 - 1.30 |
Phosphorus (P) | ≤ 0.025 |
Sulfur (S) | ≤ 0.035 |
Chromium (Cr) | 0.80 - 1.10 |
Mechanical Properties
The mechanical properties of 16MnCr5 are essential for its performance in automotive applications. The table below outlines its typical mechanical properties:
Property | Value |
Tensile Strength | 800 - 1100 MPa |
Yield Strength | ≥ 420 MPa |
Elongation | ≥ 10% |
Hardness (HB) | 150 - 220 |
Similar Standards and Steel Grades
16MnCr5 is comparable to several international standards and steel grades, making it a versatile choice for global applications. Below are some equivalent standards:
- ASTM: A29/A29M
- EN: 1.7131
- GOST: 20MnCr5
- JIS: SCM415
- GB: 20MnCr5
Application
16MnCr5 seamless pipes and tubes are primarily used in the automotive industry, where they serve as critical components in the manufacturing of gears, shafts, and other parts that require high surface hardness and core toughness. Their ability to withstand wear and tear makes them suitable for high-stress environments, ensuring longevity and reliability in automotive applications.





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.
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A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
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