18CrNiMo7-6 Case Hardened Tubing Alloy Structural Steel Pipe For Engine Drive Shaft
Material Specification
18CrNiMo7-6 is a high-quality alloy structural steel known for its excellent case hardening properties. It is widely used in the manufacturing of engine drive shafts due to its superior strength, toughness, and wear resistance. This steel grade is particularly suitable for components that require high surface hardness and a tough core.
Key Features
- High Strength and Toughness: Offers excellent mechanical properties, making it ideal for demanding applications.
- Wear Resistance: Provides superior wear resistance due to its case hardening capabilities.
- Good Machinability: Despite its hardness, it can be machined effectively.
- Versatility: Suitable for various applications beyond engine drive shafts, including gears and other mechanical components.
Chemical Composition
The chemical composition of 18CrNiMo7-6 is crucial for its performance characteristics. Below is a table detailing its typical composition:
| Element | Composition (%) |
| Carbon (C) | 0.15 - 0.21 |
| Silicon (Si) | 0.15 - 0.40 |
| Manganese (Mn) | 0.50 - 0.90 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.035 |
| Chromium (Cr) | 1.50 - 1.80 |
| Nickel (Ni) | 1.40 - 1.70 |
| Molybdenum (Mo) | 0.25 - 0.35 |
Mechanical Properties
The mechanical properties of 18CrNiMo7-6 are essential for its application in structural components. Here is a table summarizing its typical mechanical properties:
| Property | Value |
| Tensile Strength | 800 - 1100 MPa |
| Yield Strength | ≥ 600 MPa |
| Elongation | ≥ 10% |
| Hardness (after case hardening) | 58 - 62 HRC |
Similar Standards and Steel Grades
18CrNiMo7-6 is comparable to several international standards and steel grades. Here are some equivalents:
- ASTM: AISI 9310
- EN: 18CrNiMo7-6
- GOST: 18ХНМФА
- JIS: SNCM420
- GB: 20CrNiMo
Application
18CrNiMo7-6 is primarily used in the automotive and aerospace industries for components that require high strength and wear resistance. Its applications include:
- Engine Drive Shafts: Due to its high strength and toughness, it is ideal for drive shafts that undergo significant stress.
- Gears: Used in the manufacturing of gears that require a hard surface and a tough core.
- Bearings: Suitable for bearings that need to withstand high loads and rotational speeds.
- Mechanical Components: Utilized in various mechanical components where durability and reliability are critical.
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.
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