Wining the majority of your crucial certifications of its market for D2 Mould Steel Flat Bar, Super duplex stainless steel plate, 5140 Steel Tube. Our management work is becoming more and more perfect since we take quality management as the center, meanwhile, the technical force is constantly increasing as we focus on the development and application of new products. While constantly improving ourselves, we will adopt a sincere service attitude and a high degree of responsibility.
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

The company provides solutions to the needs of customers around the world with personalized customization, allowing the Small Diameter AISI 4140 4130 Chromoly Seamless Steel Pipe to add unique elements and becoming more vivid and rich, which greatly enhance the added value of products. Since the establishment of our company, we have adhered to the principle of honesty and trust, and the pursuit of high-efficiency and high-level services is our goal. Our company has always been committed to the continuous innovation of technology and management, has a professional technical research and development team.

