Stainless Steel 304/316 Tee DIN 2615 Butt Weld Pipe Fitting Seamless Construction Heavy Duty

Stainless Steel 304/316 Tee DIN 2615 Butt Weld Pipe Fitting Seamless Construction Heavy Duty
 
1. Product Description

The stainless steel tee is a forged or fabricated pipe fitting with a three‑way branch design, manufactured from corrosion‑resistant stainless steel grades in accordance with international metallurgical standards. The production route involves either seamless extrusion from solid billet or welded plate formation, followed by thermal treatment (solution annealing and rapid quenching) to restore optimal grain structure and mechanical properties. The fitting is characterised by a continuous main bore and a lateral or angled outlet, available in two primary configurations: equal tees (all ports identical in diameter) and reducing tees (branch port smaller than the run). Post‑forming operations include precision machining of end preparations, dimensional inspection, and surface finishing to meet specified service requirements.

2. Product Applications

This fitting is a staple component across diverse fluid handling systems. Its proven reliability makes it suitable for:

• Hydrocarbon processing – crude oil pumping stations, refinery fractionation columns, and ethylene cracker quench lines.

• Chemical synthesis – reactors for polymerisation, oxidation, and halogenation processes, where media range from aggressive chlorides to high‑temperature steam.

• Power and utilities – nuclear reactor cooling loops, geothermal energy extraction pipelines, and district heating networks.

• Water infrastructure – long‑distance raw water conveyance, irrigation distribution, and reverse osmosis pretreatment systems.

• Mining and mineral processing – slurry pipelines, flotation circuits, and tailings disposal lines requiring abrasion‑resistant internal surfaces.

• Pulp and paper – digesters, bleach plants, and black liquor recovery cycles with highly alkaline or acidic conditions.

• Transportation – shipboard fuel and lube oil transfer, as well as shore‑side loading/unloading arms for bulk liquid cargoes.

• Specialty gases – ultra‑high‑purity (UHP) gas distribution for semiconductor fabrication, where internal cleanliness and low outgassing are critical.

• Renewable energy – concentrated solar power (CSP) molten salt loops and biofuel production fermenters.

• Fire protection – wet‑pipe and dry‑pipe sprinkler risers, as well as deluge system manifolds in high‑risk industrial zones.

​3.Product Advantages

• Alloy optimisation for service life – the availability of dual‑certified (304/304L, 316/316L) and super‑duplex grades allows designers to balance cost, corrosion allowance, and weldability without compromising safety.

• Superior resistance to localised corrosion – the passive film, reinforced by molybdenum in 316/316L and higher alloys, provides exceptional defence against pitting and crevice attack, even in stagnant or low‑flow conditions.

• High tolerance to thermal and mechanical shock – the combination of high ductility and moderate work‑hardening enables the tee to absorb transient overpressures and thermal expansions without fracturing or leaking.

• Simplified inspection and maintenance – the smooth internal bore facilitates pigging, swabbing, and visual inspection, reducing downtime for cleaning and condition monitoring.

• Reduced welding defects – precisely controlled wall thickness and uniform ovality ensure consistent root penetration and minimal mismatch, leading to higher first‑time radiographic acceptance rates.

• Lean inventory management – reducing tees eliminate one additional component (a separate reducer) and one welded joint, cutting material cost and labour hours while improving system integrity.

• Compliance with global standards – product is manufactured to multiple codes (ASME, EN, GB, JIS, GOST), enabling seamless procurement for international projects.

• Custom surface conditioning – from acid‑pickled to electropolished finishes, the surface can be tailored to reduce friction factor, improve cleanability, or enhance aesthetic appearance.

​

4.Key Product Parameters
 

 
FAQ
1. Are you trading company or manufacturer ? We are manufacturer ,You can see the certification.

2.How long is your delivery time? Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

3. Do you provide samples ? is it free or extra ? Yes, we could offer the sample for free charge but need pay the cost of freight.

4. What is your terms of payment ? Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.