40CrMo 42CrMo Structural Steel Tube: Alloy Seamless Steel Pipe for Structural Use
Introduction
40CrMo and 42CrMo are popular grades of alloy structural steel tubes, known for their excellent mechanical properties and versatility in various industrial applications. These seamless steel pipes are particularly valued for their strength, toughness, and resistance to wear and tear, making them ideal for structural use.
Material Specification
The 40CrMo and 42CrMo steel grades are part of the chromium-molybdenum family, which is renowned for its enhanced mechanical properties and resistance to high temperatures. These materials are typically used in the manufacturing of seamless steel pipes, which are integral to structural applications.
Key Features
- High Strength: Both 40CrMo and 42CrMo offer superior tensile strength, making them suitable for heavy-duty applications.
- Toughness: These steel grades maintain excellent toughness, even at low temperatures.
- Wear Resistance: The presence of chromium and molybdenum enhances the wear resistance of these materials.
- Heat Resistance: They can withstand high temperatures, making them ideal for applications involving heat exposure.
- Versatility: Suitable for a wide range of structural applications, including machinery, automotive components, and construction.
Chemical Composition
The chemical composition of 40CrMo and 42CrMo is crucial in determining their mechanical properties. Below is a table presenting the typical chemical composition of these steel grades:
| Element | 40CrMo (%) | 42CrMo (%) |
| Carbon (C) | 0.36-0.44 | 0.38-0.45 |
| Silicon (Si) | 0.17-0.37 | 0.17-0.37 |
| Manganese (Mn) | 0.50-0.80 | 0.50-0.80 |
| Chromium (Cr) | 0.90-1.20 | 0.90-1.20 |
| Molybdenum (Mo) | 0.15-0.25 | 0.15-0.25 |
| Phosphorus (P) | ≤0.035 | ≤0.035 |
| Sulfur (S) | ≤0.035 | ≤0.035 |
Mechanical Properties
The mechanical properties of 40CrMo and 42CrMo are essential for understanding their performance in structural applications. The table below outlines these properties:
| Property | 40CrMo | 42CrMo |
| Tensile Strength (MPa) | 930-1080 | 930-1080 |
| Yield Strength (MPa) | ≥ 785 | ≥ 835 |
| Elongation (%) | ≥ 12 | ≥ 12 |
| Impact Energy (J) | ≥ 63 | ≥ 63 |
| Hardness (HB) | ≤ 217 | ≤ 241 |
Similar Standards and Steel Grades
40CrMo and 42CrMo are comparable to several international standards and steel grades, making them versatile options for global applications. Here are some equivalent standards:
- ASTM: A193 B7
- EN: 42CrMo4
- GOST: 40ХМ
- JIS: SCM440
- GB: 40CrMo, 42CrMo
Application
The robust properties of 40CrMo and 42CrMo make them suitable for a wide range of applications, including:
- Automotive Industry: Used in the manufacturing of gears, shafts, and other critical components.
- Machinery: Ideal for heavy machinery parts that require high strength and durability.
- Construction: Utilized in structural components that demand high load-bearing capacity.
- Oil and Gas: Suitable for high-pressure applications in the oil and gas industry.
- Aerospace: Used in components that require high strength-to-weight ratios.
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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40CrMo 42CrMo Structural Steel Tube Alloy Seamless Steel Pipe For Structural Use Images
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