Product Description

Precision Seamless Steel Tubes for Mechanical and Automobile Applications

Introduction

In the fast-paced and demanding world of automotive manufacturing and precision engineering, the need for high-quality components is paramount. Our Precision Seamless Steel Tubes are designed to meet these critical specifications, providing exceptional performance for a variety of applications, including the backbone of the automotive industry and the manufacturing of precision equipment.

Applications

Our Precision Seamless Steel Tubes serve as a fundamental element in numerous applications, primarily:

• Automobile Production: These tubes are integral to the construction of vehicles, particularly as rear axle tubes, where strength and durability are crucial.
• Precision Equipment Manufacturing: They are also widely used in the fabrication of precision instruments and fabrications requiring stringent tolerances and mechanical integrity.

Production Standards and Steel Grades

We adhere to international standards to ensure the highest quality of our products:

• DIN2391: St35, St45, St52
• ASTM A519: 1010, 1020, 1025, 1035, 1045
• ASTM A513: 1010, 1020, 1025, 1035, 1040
• BS6323: CFS, CFS3A, CFS4-11
• EN10305-1: E215, E235, E355
• JIS G3441: SCM415TK, SCM430TK, SCM440TK
• GB/T3639: 10#, 20#, 35#, 45#

Delivery Conditions

We offer a variety of delivery conditions to suit our customer's needs, including:

• BK (Cold Finished)
• BKW (Cold Finished and Drawn)
• BKS (Cold Finished and Stress Relieved)
• NBK (Annealed)
• GBK (Normalizing)

Quality Assurance

Quality control is a cornerstone of our manufacturing process. We conduct numerous tests, including:

• Chemical Composition Analysis
• Mechanical Properties Evaluation
• Visual and Dimensional Inspection
• Non-Destructive Testing (NDT)
• Grain Structure Analysis

These stringent testing protocols ensure each tube meets our high standards before reaching our customers.

Surface Treatment Options

Our Precision Seamless Steel Tubes can undergo various surface treatments to enhance their performance and durability:

• Oil-dip: Provides corrosion resistance and lubrication.
• Varnish: Creates a protective layer against environmental factors.
• Shot Blasting: Removes surface impurities and prepares the surface for further treatment.

Size Range and Specifications

We offer a comprehensive range of sizes to meet diverse industry requirements. Below is a representation of the outer diameter (OD) and wall thickness (WT) specifications available:

OD (mm)	Wall Thickness (mm)	Tolerance (mm)
20	1.0 - 12.5	±0.10 - ±0.40
22	1.0 - 12.5	±0.10 - ±0.40
25	1.0 - 12.5	±0.10 - ±0.40
30	1.0 - 12.5	±0.10 - ±0.30
40	1.0 - 12.5	±0.10 - ±0.30
50	1.0 - 12.5	±0.20 - ±0.50

These specifications are customizable to best fit the unique requirements of our clients.

Conclusion

Our Precision Seamless Steel Tubes stand out in quality, versatility, and reliability. Manufactured under strict standards with rigorous testing and quality control, they ensure superior performance in critical automotive and mechanical applications. Whether you are in automotive production or precision instrumentation, our steel tubes provide the strength and durability needed to excel.

Welcome to partner with us for all your seamless tube requirements, and experience the excellence that sets us apart in the industry. For more information or to get a quote, please contact us today!

Keywords

Precision seamless steel tubes, automotive applications, DIN2391, ASTM A519, quality assurance, corrosion resistance, mechanical properties, seamless steel tube supplier.