We take 'Quality Standards, Innovation, Continuous Improvement, Customer Satisfaction' as our quality policy, take the recruitment of talents as the foundation of the enterprise, and regard improving product quality as our mission. We provide you with a one-stop service for M42 High Speed Tool Steel Bar, Bearing Steel, UNS K93600 Invar Alloy Stainless Steel Bar at a reasonable price. Welcome domestic and foreign customers to call and negotiate. We will follow the tenet of innovation, rigorous and pragmatic and the enterprising spirit of smart quality, striving for perfection to create first-class products and first-class services, so that our business will take off. We pursue the tenet of 'customer first, best quality, first-class service', and continuously strengthen the internal management of the company and focus on improving our own business quality. We take 'Quality First' throughout the entire production line and take 'Customer Satisfaction' as the benchmark to measure our service quality. Our company is willing to join hands with friends to develop together.
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 order to meet the strict quality requirements of customers, we have been committed to improving production capacity and management level, so that the quality of AISI A519 4130 SAE 4140 8 Inch Seamless Alloy Steel Pipe for Mechanical Service can be more effectively controlled and guaranteed during the production process. We believe that good products are not only reflected in price and quality, but more importantly, should have perfect services. To improved expand market, we sincerely invite ambitious individuals and providers to hitch as an agent.