Product Introduction
The Chair Gas Lift Cylinder Tube is a precision steel tube used in office chairs, gaming chairs, and adjustable seat gas lift systems.
Technical Specifications
|
Item |
Specification |
|
Product Name |
Chair Gas Lift Cylinder Tube |
|
Manufacturing Process |
Cold Drawn Seamless / Precision Cold Drawn |
|
Material |
Carbon Steel / Alloy Steel |
|
Steel Grade |
STKM11A / STKM13A / 20# / 45# / SAE1020 / SAE1045 |
|
Standard |
EN 10305-1 / ASTM A519 / JIS / Customer Specifications |
|
Outer Diameter |
20-80 mm / Customized |
|
OD Tolerance |
±0.05-0.10 mm or Customized |
|
Wall Thickness |
2-10 mm / Customized |
|
Straightness |
≤0.5 mm/m or Customized |
|
Inner Surface Roughness |
Ra 0.2-0.4 μm |
|
Delivery Condition |
+C / +N / +SR |
|
Surface Treatment |
Anti-Rust Oiling / Phosphating / Polishing |
|
Inspection |
Eddy Current Test / Dimension Test / Mechanical Test |
|
Application |
Office Chair Gas Lift Cylinder / Gaming Chair Mechanism |
Manufacturing Process
Raw Material Selection: Carbon steel and alloy steel tube blanks conforming to international standards are used, and chemical composition testing is conducted to ensure material stability.
Precision Cold Drawing: Multiple cold drawing processes are used to control dimensional accuracy, improve steel tube strength and surface quality.
Heat Treatment: Normalizing, annealing, and other heat treatments are performed according to application requirements to improve material properties and processing stability.
ID Precision Processing: Honing, rolling, and other internal hole machining methods are used to improve inner wall smoothness and meet airtightness requirements.
Quality Inspection: Dimensional inspection, mechanical property testing, roughness testing, and non-destructive testing are conducted to ensure product consistency.
Materials and Steel Grades
Common Materials: Carbon Steel, Alloy Steel
Available Grades: STKM11A, STKM13A, 20# (SAE1020), 45# (SAE1045), ASTM A519 Grades. Appropriate materials can be selected based on strength requirements and application environment.
Customization Capability
Size Customization: Supports customization of outer diameter, wall thickness, length, and tolerances.
Material Customization: Supports carbon steel, alloy steel, and different heat treatment conditions.
Surface Customization: Supports: Anti-Rust Oiling, Phosphating, Polishing to meet various application needs.
Packaging & Shipping
Export Packaging: Employs rust-preventive oil, rust-preventive film, pipe end protection, and steel strapping to reduce transportation damage.
Shipping Options: Supports: FCL Container, LCL Shipment, Customized Packing
FAQ
Q: Are you a manufacturer or trading company?
A: We are a precision steel pipe manufacturer, providing production, testing, and OEM customization services.
Q: What steel grades can you supply?
A: We can supply materials such as STKM, 20#, 45#, SAE1020, and SAE1045.
Q: Can you customize tube dimensions?
A: Customization of outer diameter, wall thickness, length, tolerances, and surface treatment is supported.
Q: What standards can you meet?
A: We support EN, ASTM, JIS, and customer-specified standards.
Q: Do you provide material certificates?
A: We can provide EN 10204 3.1 material certificates and test reports.
Q: What inspection methods do you use?
A: We use dimensional inspection, mechanical testing, hardness testing, and non-destructive testing.
Q: What is your MOQ?
A: MOQ is determined based on specifications, materials, and order quantity. Trial orders and bulk purchases are supported.
Q: Can you provide samples?
A: Sample confirmation is supported for size and performance testing.
Q: What is your lead time?
A: Production is arranged according to specifications and quantity; bulk orders can be planned in advance.
Q: How do you ensure quality consistency?
A: Product consistency is ensured through raw material control, process inspection, and final inspection.
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