We strive to reflect the concept of combining modern design concepts, mature technical levels and professional and considerate services in our Bearing Steel Wire, Titanium Frame, D3 Mould Steel Bar. With global market competition intensified, in order to enhance the competitiveness, we try to design reasonable scheduling schemes to satisfy demands of customer for diversification and personalization, improve customer satisfaction, shorten production cycle and deliver just-in-time. Our staffs are adhering to the 'Integrity-based and Interactive Development' spirit, and the tenet of 'First-class Quality with Excellent Service'. 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.
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
Our outstanding advantage is our ability to provide users with high-quality 1010 1020 1045 4130 4140 Seamless Steel Tube and comprehensive and excellent services. Now we have superior devices. While developing and growing, we continue to innovate and surpass, and lead other brands in the industry to develop together.