We are also a unified big family, everyone stick to the company value 'unification, dedication, tolerance' for 86CRMOV7 Steel Bar, 1.2379 die steel flat price, Sk5 Spring Steel Strip. Our merchandise are widely recognized and trusted by users and can meet up with continuously changing economic and social needs. We will provide our customers star-rated services with first-class talent team, advanced equipment, professional management level, and innovative service forms. We realize that providing high-quality and high-performance products is a very important success factor for a company to establish long-term cooperative relationships with customers. The company has always regarded quality as the core life of an enterprise, and we stick to technology leadership and brand strategy, coupled with scientific management and advanced quality inspection methods.
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 uphold the core values of honesty, respect, innovation, passion, and professional team and always adhere to the customer-centered approach, repaying global customers with high-quality ASTM A513 A519 4130 4140 1026 Alloy Steel Tube and services. We adhere to the business philosophy of 'details make classics and quality determines the future' paying attention to every detail to create perfect products. Trust us, you will find a better solution on car parts industry.

