We have established a product research and development center to lay a solid foundation for continuous improvement of 410 stainless steel heat treatment, 1.2080 Steel Bar, 321 stainless steel propertyies. Our long-term accumulated production debugging experience, the grasp of the latest extrusion technology and the full implementation of quality management system in every link of production management make us a reliable partner for you. From the purchase of raw materials to the molding of products, we strive for perfection in every process. We are trying to be on the cutting edge, and we adopt our plans depending on the market trends and customers' needs.
Production Introduction
4130 steel tube, also known as chrome moly tube, is a general-purpose alloy steel tube with chrome and molybdenum as the main alloying elements. It is mainly produced as cold-drawn seamless tube, complying with international standards such as ASTM A519 and AMS-T-6736 (formerly MIL-T-6736), and domestic standard GB/T 17396-2022. It is widely recognized in global markets for its reliable quality and stable performance,4130 steel tube is commonly used for producing bike and electric bicycle.
The standard is listed below
AE 4130/JIS SCM430 25crmo4 1.7243 l alloy seamless steel tube.

Technical parameters
|
Specifications |
|
|
Chemical component |
C:0.26~0.34 Si:0.17~0.37Mn:0.40~0.70Cr:0.80~1.10Mo:0.15~0.25P:≤0.035S:≤0.035Ni:≤0.030Cu:≤0.030 |
|
Mechanical property |
Tensile strengthσb/MPa):≥930 Yield strength(σs/MPa):≥785 Elongation (δ5/%):≥12 |
Usage
®4130 material can be used to produce precise seamless tube with tolerance+-0.01mm,which can help customer to control the quality.
®Delivery time 25-35workdays
®Belongs to alloy steel
Mechanical Properties (Minimum Value)
The mechanical properties of 4130 steel tube vary slightly according to the wall thickness, and the following are the typical indicators in Condition N (cold-drawn seamless state):
|
Wall Thickness |
Tensile Strength (psi) |
Yield Strength (psi) |
Elongation (% in 2") |
|---|---|---|---|
|
Up to 0.035" (inclusive) |
95,000 |
75,000 |
10 |
|
Over 0.035" to 0.188" (inclusive) |
95,000 |
75,000 |
12 |
|
Over 0.188" |
90,000 |
70,000 |
15 |
Stock tube


Payment terms ,Delivery and Service
√Payment: All the payment can negotiate, generally by T/T or L/C.
√Delivery:25-35 days after receipt of your payment, then we ship the cement brick making machine from our factory to your delivery port.
√Service: 24 hours online service, technical overseas service

FAQ
1. Are you factory or trading company?
We have cooperative factory
2. What is your delivery time?
Always 25-35workdays
3. What kind of tubes do you have?
We have cold drawn seamless tube and hot rolled seamless tube
4. Which sea port?
We choose shanghai sea port
5. Which country have you sold these tubes?
We have sold 4130 4140 tubes to Paraguay,Portugal,Brazil,Singapore,Israel,
Our Service

In the spirit of striving for perfection, we are, as always, going to provide top-class Seamless Carbon Pipe and Alloy Steel Mechanical Tube ASTM A519 AISI 4130 4140 with a perfect service for guests at home and abroad. We hope you will find what you are looking for here, if not, please contact us immediately. We continue to optimize product quality and service concepts, continuously improve the level of operation and management, actively explore and innovate so as to provide customers with higher quality products.

