Duplex Steel ASTM A815 S31803 , Y-Shape Tee , Butt Weld Pipe Fitting B16.9
Brand Name:YUHONG
Certification:ABS, GL, DNV, NK, PED, ISO 9001
Model Number:ASTM A815 S31803
Minimum Order Quantity:1PC
Delivery Time:Depends on quantity
Payment Terms:T/T,L/C AT SIGHT
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Duplex Steel ASTM A815 S31803 , Y-Shape Tee , Butt-Weld Pipe Fitting B16.9
Overview
Y Type tee is a pipe fitting which can be produced in Butt Weld & Forged technique as per ASME B16.9 & ANSI B16.11. It is similar to a tee but has a side opening outlet branch at a 45 degree angle. We also call it from other names such as Y Tee Fitting, Y Shaped Tee, Y Cross Tee, Double Y Tee,Y Lateral Tee, Y Tee Pipe Branch Fitting etc. We at Neelcon can produce these Y Type Tee Pipe Fitting in Stainless Steel, Alloy Steel, Carbon Steel, Copper & Nickel Alloy Material.
Duplex stainless steel A815 UNS S31803 are extremely corrosion resistant, work hardenable alloys. Their microstructures consist of a mixture of austenite and ferrite phases. As a result, duplex stainless steels display properties characteristic of both austenitic and ferritic stainless steels. This combination of properties can mean some compromise when compared with pure austenitic and pure ferritic grades. Duplex stainless steels A815 UNS S31803 are in most cases, tougher than ferritic stainless steels. Strengths of duplex stainless steels can in some cases be double that for austenitic stainless steels.
DIMENSIONAL TOLERANCES ASME B16.9 OF BUTT-WELD PIPE FITTING
| Nominal Pipe Size(inch) | 1/2 to 2.1/2 | 3 to 3.1/2 | 4 | 5 to 8 | 10 to 18 | 20 to 24 | 26 to 30 | 32 to 48 |
| Outside Dia at Bevel (D) | +1.6 -0.8 | 1.6 | 1.6 | +2.4 -1.6 | +4 -3.2 | +6.4 -4.8 | +6.4 -4.8 | +6.4 -4.8 |
| Inside Dia at End | 0.8 | 1.6 | 1.6 | 1.6 | 3.2 | 4.8 | +6.4 -4.8 | +6.4 -4.8 |
| Center to End(C / M) | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 5 |
| Wall Thickness | Not less than 87.5% of Nominal Wall Thickness | |||||||
Mechanical Properties of A815 UNS S31803 Butt-Weld Pipe Fitting
Tensile Strength,min. | Yield Strength,min. | Elongation,min. | Hardness Brinell, max |
|---|---|---|---|
Mpa | Mpa | % | HB |
620 | 450 | 25 | 290 |
Chemical Composition of A815 UNS S31803 Butt-Weld Pipe Fitting
| Chemical Element | % Present |
|---|---|
| Carbon (C) | 0.0 – 0.03 |
| Chromium (Cr) | 21.00 – 23.00 |
| Manganese (Mn) | 2.00 max |
| Silicon (Si) | 1.00 max |
| Phosphorous (P) | 0.0 – 0.03 |
| Sulphur (S) | 0.0 – 0.02 |
| Nickel (Ni) | 4.50 – 6.50 |
| Nitrogen (N) | 0.08 – 0.20 |
| Molybdenum (Mo) | 2.50 – 3.50 |
| Iron (Fe) | Balance |
Applications:
Oil and gas industry: Used for distributing fluids or gases to different parts of a system.
Water supply systems: Used to divert water from a main pipe to a secondary line.
Chemical plants, refineries, etc.: Commonly used in systems where branching of pipelines is needed for various processes.
Duplex Steel ASTM A815 S31803 , Y-Shape Tee , Butt Weld Pipe Fitting B16.9
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