AISI 4140 Seamless Tubing: Medium Carbon Alloy Steel Seamless Pipe

Overview

AISI 4140 seamless tubing is praised for its incredible strength, durability, and versatility. As a medium carbon alloy steel, it is designed to handle high-load applications, making it a preferred choice in industries ranging from automotive to oil and gas. Below is an in-depth look at its material specifications, key features, and relevant applications.

Material Specification

AISI 4140 is a chromium-molybdenum alloy steel featuring good hardness, strength, and wear resistance. It combines a balance of toughness with superior mechanical properties, making it suitable for a variety of demanding mechanical applications.

Key Features

• High Strength and Toughness: Offers excellent tensile strength and toughness, even at elevated temperatures.
• Wear Resistance: The chemistry balance enhances wear resistance, essential for prolonged exposure to mechanical stress.
• Versatility: Suitable for a wide range of applications such as shafts, gears, and components subjected to stress.
• Heat Treatability: Features good response to heat treatment, allowing for significant hardening.
• Corrosion Resistance: While not stainless, its chromium content provides some resistance to moisture and corrosion.

Chemical Composition

Mechanical Properties

Similar Standards and Steel Grades

• ASTM: ASTM A29, ASTM A519
• EN: EN 10083-3, 42CrMo4
• GOST: 40X
• JIS: SCM440
• GB: 42CrMo

Applications

AISI 4140 seamless tubing is utilized in diverse applications, particularly in industries valuing the characteristics of an alloy boasting both strength and toughness:

• Automotive Industry: Used in the production of crankshafts, steering knuckles, and axles.
• Oil and Gas: Essential for drill collars, tool joints, and wellhead components due to its strength and wear resistance.
• Industrial Machinery: Components like gears and heavy-duty shafts benefit from its mechanical properties.
• Tool Manufacturing: Apt for making dies and molds requiring sturdiness and dependability.

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.