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A519 4140 Chromoly Tube for Bicycle

A519 4140 Chromoly Tube for Bicycle

We have been in steel area for more than ten years,focus on producing 4130 steel tube.After acid pickling, cold rolling, cold drawn, and then adopt advanced technology for heat treatment (NBK status) to produce steel pipes with surface: bright, smooth.We have hot rolled and cold drawn 4130 steel tube.
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We can provide sample designing, mass production, produce well-pleasing 420 Stainless Steel Wire, 316 Stainless Steel Plate, Titanium Alloy Elbow to clients, and create the satisfactional quality as well! On the basis of digesting and absorbing foreign advanced technology, our company's technical personnel have developed a series of products with high quality and low price. In the course of years of development, a complete customer service system, sales plan system, talent training system and management system have been established in our company. Our corporate quality of 'integrity-based, showing the charm of business personality' is the best promise to customers. While using the improvement of society and economy, our corporation will retain a tenet of 'Focus on trust, high quality the first', moreover, we count on to make a glorious long run with each and every customer.

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.

4130 Steel Tube detail

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

4130 Steel Tube Products

4130 Steel Tube Our factory

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

4130 Steel Tube Packaging display

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

4130 Steel Tube our service

 

With the goal of building a sustainable and international A519 4140 Chromoly Tube for Bicycle industry, we are committed to providing better products and more considerate services to global consumers. In the future development process, we will continue to strengthen our scientific research strength and take the road of professional, high-quality and large-scale development. We regard excellence as our work standard, firmly believe that integrity is the cornerstone of the company's brand, and take professionalism as our eternal goal.

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