We deeply realize that if we want our company to have a good reputation, we should continuously improve the quality of our D2 Mould Steel Plate, Stainless Steel Tube, Titanium Target and provide sincere service. Our quality policy is to improve the professionalism and quality of all employees, continuously ensure safety performance, and meet customer needs. We are an enterprise integrating R&D, production, sales and after-sales. Strong independent research and development capabilities enable our business to spread all over the world, and our products are welcomed by many customers. With our high cost-effective products and comprehensive and high-quality services, we enhance mutual understanding and trust with customers and constantly push the company to the forefront of the market.
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

We are an enterprise specializing in En 10305-1 E355 C45e 25crmo4 42CrMo4 Cold Drawn Seamless Carbon Steel or Alloy Steel Honed Tube for Hydraulic Cylinder. Our company has a professional marketing team, superb technology, and high-quality service. Welcome new and old customers to our company to negotiate business. Now now we have recognized steady and long organization relationships with customers from all over the world.

