China Stainless Steel
stainless steel
seamless pipe & tube
TeCarve’s Seamless Stainless Steel Tubes are precision-engineered for demanding applications across diverse industries. Manufactured through a solid billet extrusion process without any welding seams, our seamless tubes offer superior strength, corrosion resistance, and flawless surface finish — making them ideal for high-pressure, high-temperature, and sanitary environments.
We provide a wide range of stainless steel grades including 304, 304L, 316, 316L, and 321, with customizable outer diameters, wall thicknesses, and lengths to meet the specific needs of global clients. Each tube is manufactured under strict quality control standards, complying with ASTM, DIN, JIS, and EN specifications, and subjected to rigorous tests including eddy current testing, hydrostatic testing, and dimensional inspections.
With over 30 years of manufacturing and export experience, TeCarve ensures seamless stainless steel tubes that deliver durability, reliability, and performance in the most critical environments.
Trust TeCarve – your seamless pipeline to stainless steel excellence.
Specifications
• Outer Diameter: 6mm – 630mm
• Wall Thickness: 0.5mm – 30mm
• Length: 1 meter to 12 meters (custom lengths available)
• Grades: 304, 304L, 316, 316L, 321, 310S, 317L, 904L, Duplex 2205, etc.
• Surface Finish: Annealed & Pickled, Polished, Bright Annealed, or as requested
• Tolerances: According to international standards or customer specifications
• ASTM (USA): ASTM A213, A269, A312, A511, A789\
• EN (Europe): EN 10216-5, EN 10217-7
• DIN (Germany): DIN 17456, DIN 17458
• JIS (Japan): JIS G3459, JIS G3463
• GB (China): GB/T 14976, GB/T 13296
• ISO: ISO 1127
Standards
Features
• 100% seamless structure for higher pressure and corrosion resistance
• Uniform wall thickness and excellent ovality control
• Smooth inner surface, suitable for fluid and gas transmission
• Available in multiple stainless steel grades and sizes
• Precision production with strict dimensional tolerance
• Complies with international quality and safety standards
• Excellent weldability and machinability
• Oil & Gas Transmission
• Heat Exchangers and Boilers
• Pharmaceutical and Food Processing Equipment
• Instrumentation and Control Systems
• Hydraulic and Pneumatic Lines
• Power Generation and Nuclear Plants
• Marine and Offshore Engineering
Applications
Quality Control
• Raw material inspection and certification
• Cold drawing and heat treatment under controlled environments
• Eddy current testing and ultrasonic testing for internal flaws
• Hydrostatic pressure testing to ensure strength
• Dimensional inspection and surface finish assessment
• Final inspection with packaging conformity and traceability
• Compliance with ISO 9001, PED, and other relevant certifications
packaging
PVC Wrapping
& End Caps
Custom Barcoding
& Labeling
Anti-Corrosion
& Moisture Protection
Seaworthy Wooden Cases & Pallets
Tailored Solutions, Timely Fulfillment
CUSTOMIZATION
& DELIVERY
Flexible Custom Manufacturing
We offer tailored stainless steel pipe and tube solutions based on your specifications—grade, size, finish, tolerances, and application requirements.
Low MOQ & Rapid Prototyping
Small batch customization and sample production are supported, helping you shorten your development cycle and market entry.
Optimized Lead Time
Standard products ship within 7–10 days. For custom orders, lead times typically range from 2 to 4 weeks depending on complexity and volume.
Global Logistics & On-Time Delivery
With experience in international trade and freight coordination, we ensure secure packaging and on-time delivery to over 50 countries worldwide.
Contact TeCarve