|
Item |
Specification Range |
|
Outer Diameter (OD) |
6 mm – 630 mm |
|
Wall Thickness (WT) |
0.5 mm – 50 mm |
|
Length |
Standard random length, fixed length, customized length up to 12 meters |
|
Materials |
304, 304L, 316, 316L, 321, Duplex 2205, and Customized Grades |
|
Surface Finish |
Annealed and Pickled (AP), Bright Annealed (BA), Polished (180–600 grit), Hairline |
|
Executive Standards |
ASTM, AISI, EN, DIN, JIS, GB/T |
Reliable Manufacturing Capability
Stable production capacity guarantees continuous supply and timely delivery for large-scale global projects.
Strict Quality Management
Comprehensive quality assurance protocols ensure every tube meets international performance benchmarks.
Flexible Customization Solutions
Full support for non-standard outer diameters, wall thicknesses, specific grades, tailored surface finishes, and deep processing.
Global Export Expertise
Experienced international logistics and documentation teams ensure smooth customs clearance and safe cargo transit worldwide.
Superior Weld Integrity
Advanced high-frequency and TIG welding techniques ensure smooth, uniform weld seams with exceptional tensile strength and leak-proof performance.
Excellent Corrosion Resistance
Premium raw material selection and optimal heat treatment deliver robust resistance against oxidation, chemical degradation, and harsh atmospheric conditions.
High Dimensional Accuracy
Precision roll forming and automated sizing guarantee tight outer diameter and wall thickness tolerances, simplifying on-site installation and fabrication.
Cost-Effective Structural Efficiency
Offers an optimal strength-to-weight ratio compared to seamless alternatives, significantly reducing project material costs without compromising structural reliability.
Annealed and Pickled (AP): Standard industrial finish with a matte gray appearance, offering maximum corrosion resistance after high-temperature heat treatment.
Bright Annealed (BA): Produced in a controlled protective atmosphere furnace, delivering a bright, reflective surface finish ideal for architectural and decorative uses.
Mechanical Polishing (180–600 Grit): Available in various fine grit options (such as Satin, Hairline, or Mirror finish) to meet strict aesthetic and sanitary requirements in food and pharmaceutical industries.
Passivation: Chemical treatment applied to remove free iron from the surface, enhancing the passive chromium oxide layer for superior corrosion protection in aggressive environments.
Our welded stainless steel tubes are produced through advanced manufacturing lines and streamlined processes to ensure strict dimensional accuracy, excellent welding integrity, and reliable mechanical performance.
Production Workflow:
We continuously optimize our manufacturing workflows and upgrade equipment to provide stable product quality and consistent supply capability for international project contractors and distributors.
Quality is the fundamental cornerstone of our global supply capability. Every production batch of welded stainless steel tubes undergoes strict and comprehensive inspection procedures before leaving the facility:
Core Inspection Items:
We provide full documentation support, including Mill Test Certificates (MTC) in accordance with EN 10204 3.1, raw material certificates, and third-party inspection reports (such as SGS, BV, or TUV) upon client request.
Our welded stainless steel tubes serve critical infrastructure and manufacturing sectors across international markets:
Chemical Industry
Process piping systems, chemical reactors, and heat exchangers.
Food and Beverage
Sanitary transfer pipelines, dairy processing units, and beverage brewing equipment.
Pharmaceutical
High-purity fluid delivery systems and cleanroom utility piping.
Oil and Gas
Low-to-medium pressure transportation pipelines and refinery auxiliary systems.
Construction & Architecture
Handrails, structural frameworks, building facades, and interior installations.
Automotive
Exhaust system components, structural tubing, and fluid lines.
Marine & Shipbuilding
Seawater cooling lines, shipbuilding structures, and offshore equipment.
Machinery & Equipment
General mechanical parts, roller shafts, and industrial automation frames.
As one of the most professional welded stainless steel tube manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to wholesale welded stainless steel tube in stock here from our factory. Contact us for customized service and OEM service.
201 Stainless Steel Tube pipe, 904L stainless steel tube, schedule 40 galvanized steel pipe(0/10)
