| Product: | Tees | Material: | Stainless Steel |
|---|---|---|---|
| Standard: | ASTM A815 | Grade: | S31803 |
| Connection: | Butt Welded | Certification: | ABS， GL， DNV， NK， PED， AD2000， GOST9941-81， CCS， ISO 9001-2008 |
| Shape: | Y | Packing: | Ply-wooden Case /Iron Case/ Bundle With Plastic Cap |
| High Light: | ASTM A815 Steel Pipe Tee， S31803-W Steel Pipe Tee， Butt Welded Steel Pipe Fittings | ||
ASTM A815 S31803-W Steel Y Shape Tees Pipe Fittings
TONG CHUANG supplies ASTM A815 S31803 duplex steel Y shape Tees. This duplex stainless steels 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.
The steel ASTM A815 S31803 has many features: Corrosion resistant， Accurate dimensions， Can sustain high pressure & temperature load， Rust proof finish， Smooth transition from flange thickness to pipe， Ensure excellent stress distribution，etc.
ASTM A815 S31803 — Specification
| Type: | Butt Weld (BW)， Seamless (SMLS) Welded，Fabricated |
| Coating Fitting Faces : | Zinc Plated， Yellow Transparent， Oil Black Paint， Anti-rust Paint， Cold and Hot Dip Galvanized |
| Fitting Machining Equipment: | Electric bevelling machine， Press machine， Bending machine， Pushing Machine， Sand-blasting machine etc |
| Thickness: | SCH 5S， SCH10S， SCH10， SCH20， SCH30， SCH40S， SCHSTD， SCHA0，SCH60，SCH80S， XS， SCH80， SCH100， SCH120， SCH140， SCH160，SACXXS |
| Bending Radius: | R=1D， 2D， 3D， 5D， 6D， 8D， 10D or Custom |
| Check Sizes: | 1/2” NB TO 24” NB |
ASTM A815 S31803 — Chemical Composition
| C | Cr | Ni | Si | Mn | P | Mo |
| 0.30 max | 21-23 | 4.5-6.5 | 1 max | 2 max | 0.03 max | 2.5-3.5 |
ASTM A815 S31803 — Physical Property
| Density | Thermal Expansion | Modulus of Elasticity | Thermal Conductivity |
| 7.805 g/cm3 | 13.7 x10^-6 /K | 200 GPa | 19.0 W/m.K |
ASTM A815 S31803 — Mechanical Property
| Proof Stress | Tensile Strength | Elongation A50 mm | Hardness Brinell |
| 450 Min MPa | 620 Min MPa | 25 Min % | 290 Max HB |
ASTM A234 WPB Tees — Applications
Chemical processing， transport and storage
Oil and gas refining
Oil and gas exploration and offshore rigs
Marine environments
Pulp & paper manufacturing
Chemical process plant
Pollution control equipment
