Delivery Conditions
BK (+C), BKW (+LC), BKS (+SR), GBK (+A), NBK (+N)
Major Inspection Items
Tensile strength, Yield strength, Elongation, Flattening, Flaring, Chemical analysis, Eddy Current Test (100%), Size and surface checking (100%)
Applications
Vehicle & Automotive
- Powertrain system (Fuel-rails, Fuel-lines)
- Fluid handling systems (Air-conditioning, Clutch pipes)
- Drive and steering system (Power-Steering Feed-Pipes)
- Hydraulic and Pneumatic Pressure Lines
Mechanical & Engineering
- Mechanic Processing and parts
- Heat Exchange & Gas Cylinders
- Aerospace & Energy Generation
- Sub-sea and Marine Equipment
Profile
Our group operates two specialized manufacturing facilities. One focuses on steel forgings for Marine, Power, Boiler, and Petrochemical fields, while the other produces precision steel tubes for the automotive industry and hydraulic systems. With a total area of 150,000 square meters and over 200 employees, all products undergo double inspection by professional quality controllers. We provide detailed test reports for all items, ensuring only high-quality products reach our customers. We adhere to strict inspection standards to maintain long-term business relationships globally, prioritizing quality and customer satisfaction.
Frequently Asked Questions (FAQ)
Q1: What are the primary standards for your cold drawn seamless steel pipes?
A: Our pipes comply with major international standards including DIN 2391, EN 10305-1, EN 10305-4, ASTM A519, and JIS G3445.
Q2: What size range do you offer for the CDS-1 model?
A: We offer an Outer Diameter (OD) range from 2mm to 60mm, with various wall thicknesses to meet specific industrial requirements.
Q3: What types of surface treatments are available?
A: We provide several surface treatments including Bright Annealing, Black Phosphating, and Galvanizing to ensure durability and corrosion resistance.
Q4: In what conditions can the steel tubes be delivered?
A: Delivery conditions include BK (+C), BKW (+LC), BKS (+SR), GBK (+A), and NBK (+N), depending on the mechanical properties required.
Q5: What are the main applications for these precision tubes?
A: They are widely used in the automotive industry (fuel lines, steering systems), hydraulic systems, construction machinery, and general mechanical engineering.
Q6: How do you ensure the quality of the steel pipes?
A: We perform 100% Eddy Current testing, along with rigorous checks for tensile strength, yield strength, chemical analysis, and precise size/surface inspections.