Rust - Inhibiting 316L Stainless Steel Welded Pipe ASTM A270 for Marine Engineering with Bright Annealed

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Product Description

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Basic Product Information

Model NO.
STMSS
Material
Stainless Steel
Surface
Polished / Bright Annealed
Section Shape
Round
Steel Pipe Type
Welded / Seamless Tube
Series
300 / 200 / 400 Series
Standards
ASTM A312, A790, A270
Capacity
50,000 Tons
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General Description

Stainless Steel Welded Pipe Overview

We offer a complete range of welded stainless steel pipes in grades 202, 304/304L, 316/316L, 310/310S, 321, 410 and 904L.

With outer diameter from 5mm to 1200mm and wall thickness from 0.5mm to 30mm, our tubes are produced under strict quality control to achieve ±0.05mm high precision tolerance.

They feature stable performance, excellent surface finish, good weldability and long service life, widely used in construction, decoration, furniture, food equipment, chemical engineering, marine, boiler and high-temperature industries.

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Detailed Specifications

Stainless Steel Pipe Spec 1
Stainless Steel Pipe Spec 2
202 Stainless Steel Pipe

202 Stainless Steel Pipe

An economical austenitic stainless steel tube with reliable performance in mildly corrosive environments. Produced with precision cold rolling technology, it features high surface finish and tight dimensional tolerance.

304 Stainless Steel Pipe

304 Stainless Steel Pipe

The most widely used grade with outstanding corrosion resistance and versatility. Deliver smooth surface and excellent formability. It combines stable performance and long service life.

304L Stainless Steel Pipe

304L Stainless Steel Pipe

The low-carbon version of 304, providing improved intergranular corrosion resistance after welding. Ideal for chemical equipment and pressure piping systems.

316 316L Stainless Steel Pipe

316 / 316L Stainless Steel Pipe

Provides superior corrosion resistance with added molybdenum, effectively resisting chloride corrosion. Ideal for marine engineering and coastal projects.

310S Stainless Steel Pipe
321 Stainless Steel Pipe
410 Stainless Steel Pipe
904L Stainless Steel Pipe
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Technical Specifications Table

Parameter Details
Available Grades202 / 304 / 304L / 316 / 316L / 310S / 321 / 410 / 904L
Manufacturing MethodHot Rolled / Cold Drawn / ERW
StandardsASTM A312 / A213 / A269 / EN Standards
Outer Diameter6mm – 630mm (up to 1200mm)
Thickness0.5mm – 30mm
Finish2B, BA, No.1, No.4, Mirror, 8K, Hairline, Sandblast
CertificatesISO 9001, SGS, etc.
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Industrial Applications

Application Industrial 1
Application Industrial 2
Application Industrial 3
Grade Key Advantage Typical Use
304/304LVersatility & FormabilityFood Industry, General Piping
316/316LSuperior Corrosion ResistanceMarine & Chemical Environments
310SHigh-Temp ResistanceFurnaces, Heat Exchangers
904LAcid ResistanceAggressive Chemical Processing
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Production & Quality Control

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Frequently Asked Questions

What is the standard lead time for orders?
Standard models and grades usually ship within 15–30 days. For customized dimensions or special material requirements, the lead time is approximately 30–45 days.
Which stainless steel grade should I choose for marine environments?
For marine or coastal applications, we highly recommend 316 or 316L stainless steel due to the added molybdenum, which provides superior resistance to chloride-induced corrosion.
What size ranges do you provide for stainless steel pipes?
We offer outer diameters ranging from 5mm up to 1200mm, with wall thicknesses between 0.5mm and 30mm. Custom sizes can be produced upon request.
What types of surface finishes are available?
We provide various finishes including 2B (cold rolled), BA (bright annealed), No.4 (brushed), 8K (mirror), hairline, and sandblasted finishes to meet different aesthetic and industrial needs.
Do your products come with quality certifications?
Yes, all products undergo strict quality control and are supplied with Mill Test Certificates. Our processes are ISO 9001 certified, and we can provide SGS or other third-party inspections if required.
Can you handle custom processing services?
Absolutely. We offer customized cutting, bending, welding, and specialized packaging services to ensure the pipes meet your specific project requirements.

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