Looking for high-strength, corrosion-resistant seamless stainless steel tubes? Whether your project requires round, square, rectangular, oval, or custom-shaped tubing, Jiuguang has the expertise and capacity to deliver.
With over 20 years of manufacturing experience, we provide fully customized seamless tubes crafted from high-grade stainless steels such as 304, 316L, 321, and duplex alloys. Our products are widely used in structural, industrial, automotive, and fluid transfer systems globally
Looking for high-strength, corrosion-resistant seamless stainless steel tubes? Whether your project requires **round**, **square**, **rectangular**, **oval**, or **custom-shaped** tubing, Jiuguang has the expertise and capacity to deliver.
We provide high-precision special shape and custom stainless steel tubes including triangle, hexagonal, D-shape, and other non-standard profiles. OEM & ODM customization available with surface treatment, cutting, and packaging options.
Leading supplier of oval and elliptical seamless tubes in stainless steel and alloy materials. Ideal for architecture, automotive, and furniture industries. Custom sizes and finishes available.
High-strength rectangular seamless tubes made from stainless steel and alloy grades. Precision dimensions, corrosion-resistant, and ideal for structural, mechanical, and architectural applications.
Looking for high-quality round seamless tubes? We are a trusted manufacturer and exporter of stainless steel round seamless tubes in China. Our products offer superior strength, corrosion resistance, and precision dimensions. OEM and custom services available.
A comprehensive solution for casting and forging products
superior strength and pressure resistance
ideal for fluid and gas transport
superior strength and pressure resistance
suitable for harsh environments
We provide custom services for a wide range of stainless steel pipe products to meet various specifications.
| Parameter | Details |
| Outer Diameter | 6mm – 630mm |
| Wall Thickness | 0.5mm – 30mm |
| Length | Up to 12 meters or cut-to-length |
| Steel Grades | 201 / 202 / 304 / 304L / 304H / 309 / 309S / 310 / 310S / 316 / 316L / 317 / 317L / 321 / 321H / 347 / 347H / 409 / 410S / 416 / 420 / 430 / 439 / 440 / 444 / 446 / 2205 / 2507 / S31803 / S32205 / S32750 / S32760 / 253MA / 254SMO / 904L/etc. |
| Finish | 2B, BA, Mirror, Pickled, Satin,DP, HR ,No.1 ,HL ,No.4 ,No.8 |
| Standard | ASTM A312 / A213 / A269 / DIN / EN/GB /AISI /JIS/GOST/BS |
| Certificates | ISO 9001, SGS, MTC 3.1 |
The specifications are subject to change in real-time. For up-to-date information, please contact us.
Our products are highly resistant and have a wide range of applications
Handrails, curtain walls, supports
Exhaust pipes, fuel lines, frame tubing
Heat exchangers, oil & gas pipelines
Tubular legs, frames, display systems
Hygienic stainless tubing systems
We support full customization of seamless tubes
We manufacture seamless stainless steel tubes in any shape, size, or finish – round, square, oval, and more.
Tell us what you need. We’ll respond within 12 hours with a custom solution.
All tubes undergo strict inspection
· Dimensional checks
· Eddy current and hydrostatic testing
· Chemical and mechanical tests
· Mill Test Certificate (EN10204 3.1)
All tubes undergo strict inspection
· Seaworthy wooden cases or steel bundles
· Plastic end caps to protect edges
· Moisture-proof packaging
· LCL/FCL shipping by sea or air
· Lead time: 10–25 days
We will be user-centric and develop satisfactory products
“Your seamless tubes are better than our previous suppliers. Consistent wall thickness and fast delivery.”
“Reliable packaging and great welding compatibility. Will reorder soon.”
“We appreciate the dimensional precision and on-time response.”
“Your seamless tubes are consistently precise and well-packaged. They’ve become our go-to supplier.”
“Appreciate your responsiveness and willingness to customize as per our drawing.”
“We used your oval tubes for our high-end furniture lines. Excellent finish and tolerance.”
Seamless tubes are produced without any welding seam, offering higher pressure tolerance and corrosion resistance. They’re ideal for critical applications.
Yes, we provide full customization according to your drawings or specifications.
Yes, EN10204 3.1 or 3.2 certificates are available with each batch.
Yes. We specialize in manufacturing non-standard and special-shaped seamless tubes based on your technical drawing or sample.
Yes. Small-batch and prototype orders are welcome.
Mill Test Certificate (EN10204 3.1), packing list, invoice, and any custom-required certifications.
Absolutely. Samples can be provided for quality evaluation.
English 
German 
French 
Italian 
Spanish 
Portuguese 
Arabic 
Russian 