304 316 321 Polished Surface Ss Smls Pipe Thick Wall Round Stainless Steel Pipe

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Product Description

Basic Information
Type:
Seamless
Technique:
Cold Drawn
Material:
Stainless Steel
Surface:
Polished
Section Shape:
Round
Outside Diameter:
3.18-810mm
Wall Thickness:
0.2-40mm
Standard:
ASTM A312 A213 A269 JIS3463 JIS3459
Deliery Time:
7-30 days
End Type:
Plain Ends, Bevel End, Threaded End
Origin:
China
HS Code:
7304
Product Description

Stainless seamless pipe, boiler tube, heat exchanger tube

Stainless Steel Pipe

Material: ASTM 304, 316L, 310S, 321, 430, Duplex Stainless Steel, etc.

  • Type: Seamless, Welded (ERW/LSAW), Decorative
  • Outer Diameter (OD): 6mm to 2000mm (customizable)
  • Wall Thickness: 0.5mm to 50mm
  • Length: Standard 6m, or as per client requirements
  • Surface Finish: Polished, Annealed, Brushed, Matte, etc.
  • Standard: ASTM, EN, DIN, JIS, GB
Specifications & Features
Pipe Specification

Key Features:

  • Corrosion Resistance: Ideal for harsh environments, resistant to acids, alkalis, and high humidity.
  • High-Temperature Performance: Maintains structural integrity under extreme heat (up to 800°C+).
  • Durability: Exceptional strength-to-weight ratio and long service life.
  • Hygienic & Eco-Friendly: Non-toxic, suitable for food processing and medical industries.
SS SMLS PIPE DETAILS
Size OD 3.18-810mm
Thickness 0.2-40mm
Max Length 50m
Material ASTM A312, A213, A269, JIS3463, JIS3459, DIN2462, EN10216-5, etc.
Steel Grade 304, 304L, 310S, 316Ti, 316L, 317L, S31803 310S/347H
Process Cold drawn, Cold rolled
Surface Pickling and annealing, Polishing, EP (Electricity polish)
Production Workshop
Workshop 1
Workshop 2
Workshop 3
Workshop 4

Equipped with state-of-the-art machinery and automated production lines, our facility integrates precision engineering with strict quality control systems to deliver products that meet international standards. Our capabilities include the production of seamless, welded, and custom-designed pipes in various grades.

Packaging & Shipping
Packaging 1
Packaging 2
Packaging 3

Packed by bundles, plastic bags, wooden case etc.

All products undergo individual inspection in compliance with specified standards prior to packaging. Only those that pass the inspection are packaged in accordance with export criteria. We formulate the optimal transportation plan (Sea, Air, Truck) for each order to ensure safety and cost-efficiency.

Shipping 1
Shipping 2
Company Profile
Company Facility

We are a leading manufacturer of high-performance industrial metal pipelines, specializing in alloy steel, carbon steel, stainless steel, and copper-nickel-based alloy products. We deliver globally trusted piping solutions that combine cutting-edge technology, rigorous quality control, and unmatched expertise.

Empowering industries worldwide with reliable, efficient, and eco-conscious piping systems, we serve sectors including oil and gas, water treatment, HVAC, and renewable energy. Our systems are engineered to meet international standards for durability, safety, and sustainability.

Infrastructure
Frequently Asked Questions
What are your terms of payment?
30% TT as the deposit, and 70% before delivery. We will provide photos and videos of the products and packaging before you pay the balance.
What is the typical delivery time for an order?
For stock items, we can transport goods to the loading port within 7 working days. For new production, it usually takes between 15 to 30 days after receiving the deposit.
How do you ensure the quality of your products?
Every product is manufactured in certified workshops and inspected piece-by-piece according to national QA/QC standards. We also provide warranty documentation to guarantee quality.
Can I request samples before placing a bulk order?
Yes, we can provide free samples if they are available in stock. Please note that the transportation fees are to be covered by the buyer.
What are your standard packaging terms?
We use standard export packaging, including bundles, coils, or wooden cases, depending on the product type. We can also accommodate specific packaging requirements from customers.
Which international standards do your pipes comply with?
Our products are compliant with ISO 9001, SGS, CE, and various international standards including ASTM, EN, DIN, JIS, and GB.

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