Seamless Stainless Steel Pipe

Product Introduction

Seamless Stainless Steel Pipe is manufactured without a welded seam to provide reliable strength, corrosion resistance, and consistent performance in demanding service environments. Common grades include 304, 304L, 316, 316L, 321, and 310S, with products available according to applicable ASTM, ASME, JIS, DIN, and EN standards. The pipes are available in various outside diameters, wall thicknesses, lengths, and surface finishes for different industrial requirements. They are widely used in chemical processing, oil & gas, heat exchangers, water treatment, food processing, and industrial equipment. Customized dimensions, surface finishes, end treatments, and processing options are available according to project requirements.

Specifications

Specification	Details
Product Type	Seamless Stainless Steel Pipe
Material Grade	SS304 / SS304L / SS316 / SS316L / SS321 / SS310S / etc.
Standard	ASTM A312 / ASTM A213 / ASTM A269 / ASME / JIS / DIN / EN
Manufacturing Process	Seamless / Cold Drawn / Cold Rolled / Hot Finished
Outer Diameter	6 mm – 1219 mm / Customized
Wall Thickness	0.5 mm – 50 mm / Customized
Length	5.8 m / 6 m / 11.8 m / 12 m / Customized
Surface Finish	Pickled / Polished / Bright Annealed / Satin / Mirror
Polished Finish	180# / 240# / 320# / 400# / 600#
End Treatment	Plain Ends / Beveled Ends / Threaded
Tolerance	According to applicable standards
Customization	Grade / Diameter / Wall Thickness / Length / Surface / End Treatment / Processing

Need a Customized Solution?

If you cannot find a seamless stainless steel pipe for your project, please contact Queen Metal. We provide customized solutions based on your required grade, dimensions, standard, surface finish, end treatment, and application.

Send us your specifications, technical requirements, drawings, or parameter files, and our team will provide a suitable quotation and supply solution.

Email: ding@queenmetal.com

Applications & Industries

Industry	Typical Applications
Chemical & Petrochemical	Process piping, chemical equipment and fluid transportation
Oil & Gas	Industrial piping and high-pressure fluid systems
Heat Exchangers	Heat transfer and process equipment
Food & Beverage	Processing and sanitary piping systems
Pharmaceutical	Process equipment and sanitary applications
Water Treatment	Water and wastewater transportation systems
Power & Energy	Process piping and industrial equipment
Industrial Machinery	Machinery, equipment and manufacturing systems

Quality Assurance & Testing

Quality Control	Details
Material Verification	Stainless steel grade and chemical composition according to applicable standards
Dimensional Inspection	Outer Diameter / Wall Thickness / Length
Surface Inspection	Surface condition and finish
Mechanical Testing	Tensile Strength / Yield Strength / Elongation according to applicable standards
Hydrostatic Testing	Available according to applicable standards and order requirements
NDT Testing	Available according to product type and customer requirements
MTC	Material Test Certificate available according to order requirements
Third-Party Inspection	Available upon request

Packaging & Logistics

Item	Details
Packaging	Export-standard stainless steel pipe packaging
Protection	Plastic caps / Waterproof protection / Steel strapping
Bundle Packing	Bundled according to pipe size and transportation requirements
Wooden Cases	Available according to product type and shipping requirements
Loading	Container / Bulk shipment
MOQ	According to grade, size and order requirements
Lead Time	Confirmed according to product availability and order quantity

FAQS

1. What grades of seamless stainless steel pipe are available?

Common grades include 304, 304L, 316, 316L, 321, and 310S. Other stainless steel grades can be supplied according to applicable standards and project requirements.

2. What standards are available for seamless stainless steel pipe?

Depending on the product type and application, seamless stainless steel pipes can be supplied according to ASTM A312, ASTM A213, ASTM A269, as well as applicable ASME, JIS, DIN, and EN standards.

3. What sizes of seamless stainless steel pipe can you supply?

Outer diameters can range from 6 mm to 1219 mm, with wall thicknesses from 0.5 mm to 50 mm, subject to product type and manufacturing requirements. Customized dimensions are available.

4. What surface finishes are available?

Available finishes include pickled, polished, bright annealed, satin, and mirror finishes. Polished surfaces can be supplied in 180#, 240#, 320#, 400#, and 600# finishes where applicable.

5. Can you provide customized seamless stainless steel pipes?

Yes. Queen Metal can provide customized grades, diameters, wall thicknesses, lengths, surface finishes, end treatments, and processing according to project requirements.