pipe fitting
DLSS Save Your Time & Cost
What Makes Our pipe fittings Stand 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 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.
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ASTM A213/ASME SA213 TP321 (1.4541) Seamless
ASTM A213/ASME SA213 TP321 (1.4541) seamless tube, 18×1.0×1375MM, bright annealed surface. Titanium-stabilized stainless steel tube for heat exchangers, boilers, and petrochemical plants.
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ASTM A815 WPS32205 Seamless 180° Bend
ASTM A815 WPS32205 seamless 180° bend, DN50 SCH10S, CD=143 mm, manufactured to ASME B16.9. Duplex stainless steel with excellent corrosion resistance, ideal for marine, offshore, and chemical plants.
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ASTM A789 S32750 Super Duplex Seamless
ASTM A789 S32750 super duplex seamless tube, 19×2.4mm, bright annealed finish – high strength, superior corrosion resistance.
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
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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
What is Electropolished Tubing and When
Introduction In industries where surface cleanliness, corrosion resistance, and bacterial control are critical, standard stainless steel tubing may not be enough. That’s where Electropolished (EP) Tubing comes in. Used in biotech, pharma, semiconductor, and ultra-pure water systems, electropolished tubing delivers a smooth, passive, contamination-resistant internal surface that outperforms mechanically polished finishes. 1. What is Electropolished […]
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U-Bent Stainless Steel Tubes for Heat
U-bent tubes are critical components in various heat exchanger systems, especially where space-saving or directional flow change is required—such as in shell-and-tube heat exchangers, condensers, boilers, and superheaters. This article explains the manufacturing process, quality standards, and key applications of U-bent stainless steel tubes, along with how DLSS Pipeline ensures precision and reliability in every […]
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ASTM B163 Incoloy 825 (UNS N08825)
Product Details Chemical Composition of Incoloy 825 (UNS N08825) Element Composition (%) Nickel (Ni) 38.0 – 46.0 Chromium (Cr) 19.5 – 23.5 Iron (Fe) Balance Molybdenum (Mo) 2.5 – 3.5 Copper (Cu) 1.5 – 3.0 Titanium (Ti) 0.6 – 1.2 Carbon (C) ≤ 0.05 Incoloy 825 is a nickel-iron-chromium alloy with added molybdenum, copper, and titanium for enhanced corrosion […]
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How Long Do Stainless Steel Seamless
Introduction Stainless steel seamless pipes are widely known for their long service life, but just how long can they last? Under ideal conditions, seamless stainless steel pipes can last 50 years or more. However, actual lifespan depends on factors such as: In this article, we explore realistic service life expectations, factors that reduce longevity, and […]
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