40CrNiMoA AISI 4340 AMS 6415 Round Hollow Bar Alloy Seamless Steel Pipe For Mechanical
Material
40CrNiMoA, also known as AISI 4340 or AMS 6415, is a high-strength, low-alloy steel known for its toughness and ability to withstand high stress. This steel is commonly used in the production of round hollow bars and seamless steel pipes, which are essential components in various mechanical applications.
Specification
The 40CrNiMoA alloy is characterized by its excellent mechanical properties, making it suitable for demanding applications. It is typically supplied in a quenched and tempered condition, which enhances its strength and toughness.
Key Features
- High Strength: Offers excellent tensile and yield strength.
- Toughness: Maintains toughness even at low temperatures.
- Wear Resistance: Good resistance to wear and fatigue.
- Machinability: Can be machined with relative ease.
- Weldability: Can be welded with appropriate techniques.
Chemical Composition
| Element | Composition (%) |
| Carbon (C) | 0.38 - 0.43 |
| Silicon (Si) | 0.17 - 0.37 |
| Manganese (Mn) | 0.50 - 0.80 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 |
| Chromium (Cr) | 0.70 - 0.90 |
| Nickel (Ni) | 1.65 - 2.00 |
| Molybdenum (Mo) | 0.20 - 0.30 |
Mechanical Properties
| Property | Value |
| Tensile Strength | 930 - 1080 MPa |
| Yield Strength | ≥ 835 MPa |
| Elongation | ≥ 12% |
| Reduction of Area | ≥ 50% |
| Impact Toughness | ≥ 63 J |
Similar Standards and Steel Grades
- ASTM: AISI 4340
- EN: 34CrNiMo6
- GOST: 36ChN3MFA
- JIS: SNCM439
- GB: 40CrNiMoA
Application
The 40CrNiMoA alloy is widely used in various industries due to its robust mechanical properties. Common applications include:
- Automotive: Manufacturing of crankshafts, gears, and axles.
- Aerospace: Components requiring high strength and toughness.
- Oil and Gas: Drill collars and other high-stress components.
- Construction: Heavy-duty machinery and equipment.
- Military: Armored vehicles and other defense 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.
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.
