pipe fitting
DLSS Save Your Time & Cost
What Makes Our pipe fittingsStand Out for you?
Every product undergoes rigorous quality control and 100% nondestructive testing, ensuring defect-free products and minimizing risks.
Strictly control dimensional accuracy to ensure seamless connection, improve assembly efficiency and reduce leakage risks.
We provide competitive pricing without compromising on quality, offering excellent value for money in every product.
We offer quick response times and reliable delivery schedules to meet tight project timelines, enhancing your operational efficiency.
Product Cases
ASTM B111 / ASME SB111 Copper
ASTM B111 / ASME SB111 copper alloy U-bending seamless tube, 100% Eddy Current Tested and bright annealed. Ideal for heat exchangers, condensers, power plants, desalination, and marine cooling systems.
Read More
ASTM A790 S32205 Duplex Stainless Steel
ASTM A790 S32205 Duplex Stainless Steel Seamless Pipe DN20 SCH10S 550 mm, shipped by air to Australia. Excellent strength, corrosion resistance, and on-time delivery for heat exchangers, offshore, and marine projects.
Read More
ASTM A403 WP316L Stub End SMLS
ASTM A403 WP316L seamless stub end, DN150/DN100, SCH80S, Lap Joint Type A. Stainless steel with excellent corrosion resistance for oil, gas, marine, and chemical applications.
Read More
ASTM B407 Alloy 800H (UNS N08810)
ASTM B407 Alloy 800H (UNS N08810) seamless pipe, size 50.8×5.16×6096 mm (20FT). High-temperature nickel-iron-chromium alloy with 100% Eddy Current Testing, ideal for heat exchangers, boilers, and petrochemical systems.
Read MoreDifferentiated Services: Precisely Meeting Your Business Needs
for Stockists
for End Users
for Traders
Fast Delivery
Efficient production and on-time delivery for your orders
Multiple Product Options
A wide range of seamless tubes to meet various project needs
Small Batch Logo Customization
Custom logos for small batch orders, enhancing your brand identity
Regional Pricing & Protection
Exclusive regional rights and strategic pricing to strengthen your market position
Cost-Effective Products
High-quality products at competitive prices to boost your margins
Flexible MOQ
Adaptable minimum order quantities to fit your business requirements
One-Stop Marketing Solutions
Boost your online image with a complete suite of product marketing visuals and videos
Fastest 7-Day Production Process
Delivery can be made within a minimum of 7 days based on your order size
Continuously upgraded packaging
We offer continuously upgraded packaging to ensure maximum protection and efficiency.
DLSS’s Core Principle: Never Leaving Problems For Clients
DLSS Partners
are you
A Distributor or Wholesaler?
Are You
an Engineer, Procurement Specialist, or Manufacturer?
Special for Broker
If you have connections with professionals in the heat exchanger, boiler, or industrial manufacturing industries.
We invite you to become a valuable partner with DLSS.
Company News
How to Choose Stainless Steel Pipe
Introduction Heat exchangers are the heart of many industrial systems—refineries, petrochemicals, power plants, and HVAC units. And at the core of any heat exchanger is a network of tubes or pipes that must perform under thermal, chemical, and mechanical stress. But not all stainless steel pipes are created equal. Selecting the wrong grade or finish […]
Read More
Everything You Need to Know About
What Are Inner Grooved Coil Tubes? Inner grooved coil tubes, also known as ribbed tubes or micro-fin tubes, are seamless or welded coil tubes with precisely formed helical grooves on the internal surface. These grooves increase turbulence in fluid flow, thereby enhancing the heat transfer coefficient. They are widely used in: Why Choose Inner Grooved Tubes? 30–50% better heat transfer than smooth tubes Enhanced […]
Read More
How to Specify U-Bend Stainless Steel
Introduction U-bend stainless steel tubes are a critical component in shell and tube heat exchangers, designed to increase heat transfer area while optimizing space. These tubes must meet strict dimensional, metallurgical, and mechanical standards to perform reliably under thermal cycling and high-pressure environments. This article guides you through the key specifications and considerations when sourcing […]
Read More
The Role of Stainless Steel Tubes
Introduction As the global push for carbon neutrality intensifies, renewable energy systems are expanding at an unprecedented rate. From solar thermal plants to hydrogen pipelines, the infrastructure behind green energy demands materials that offer durability, corrosion resistance, and long life cycles under harsh environments. DLSS provides high-grade stainless steel tubes that support mission-critical operations in […]
Read MoreWelcome To Send Us An Inquiry,
We Have Prepared A Surprise Gift For You