Flange

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DLSS - Product - Flange

What Makes Our flanges Stand Out for you?

Our stainless steel flanges perfectly match our piping products, ensuring a one-stop solution.

Self-producing flanges reduces procurement costs, improves supply chain efficiency, and enhances quality control.

Standardized flanges streamline installation, minimize welding, and speed up construction.

Certified by ISO 9001, PED, and AD2000, ensuring compliance with global market standards.

Product Cases

ASTM B151 C70600 Forged Fitting

ASTM B151 C70600 Forged Fitting NPT

High-quality ASTM B151 C70600 forged fittings, NPT threaded, size 2″×1-1/4″, CL3000, manufactured to ASME B16.11. CuNi 90/10 alloy offers excellent seawater corrosion resistance, ideal for marine piping, heat exchangers, and petrochemical systems.

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ASTM A815 WPS32205 Seamless 180° Bend

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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Differentiated Services: Precisely Meeting Your Business Needs

for Stockists

for End Users

for Traders

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Fast Delivery

Efficient production and on-time delivery for your orders

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Multiple Product Options

A wide range of seamless tubes to meet various project needs

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Small Batch Logo Customization

Custom logos for small batch orders, enhancing your brand identity

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Regional Pricing & Protection

Exclusive regional rights and strategic pricing to strengthen your market position

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Cost-Effective Products

High-quality products at competitive prices to boost your margins

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Flexible MOQ

Adaptable minimum order quantities to fit your business requirements

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One-Stop Marketing Solutions

Boost your online image with a complete suite of product marketing visuals and videos

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Fastest 7-Day Production Process

Delivery can be made within a minimum of 7 days based on your order size

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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

Finned Tube Cleaning and Maintenance Best Practices – Keep Your Heat Exchanger at Peak Performance

Finned Tube Cleaning and Maintenance Best

Finned tube cleaning and maintenance are critical to ensuring optimal heat transfer performance and extending the service life of heat exchangers. Without proper care, fouling, corrosion, and fin damage can reduce efficiency and increase operating costs. For background on preventing fouling, read our article How to Prevent Corrosion and Fouling in Finned Tubes. If you […]

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Reliable Tubes for the Shipbuilding Industry

Reliable Stainless Steel Tubes for the

The shipbuilding industry continues to grow, with China, South Korea, and Japan accounting for nearly 90% of global ship output in 2023. As vessels are exposed to seawater corrosion, high pressure, and strict IMO environmental standards, the demand for corrosion-resistant stainless steel tubes and copper-nickel alloy pipes has never been higher. At DLSS, we specialize […]

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Why Stainless Steel Tube Grain Size Matters in Heat Exchanger Applications

Grain Size Requirements for Stainless Steel

For stainless steel heat exchanger tubes, grain size is not always the first item buyers mention in an RFQ. Most projects start with grade, outside diameter, wall thickness, length, heat treatment, surface finish, and testing requirements. However, in high-specification heat exchanger projects, grain size can become an important quality factor. It may affect corrosion resistance, […]

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ASTM B163 Incoloy 825 (UNS N08825) Seamless Tube – 25.4 × 2.11 × 5555 mm, Bright Annealed Surface

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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