A 312 TP347H pipe,ASTM A312 TP347H Seamless Stainless Steel Pipe
We are the professional exporter and supplier of ASTM A312 TP347H Seamless Stainless Steel Pipe,SA 312 TP347H pipe,ASTM A312 TP347 Seamless Stainless Steel Pipe.
TP347H stainless steel pipe is a high carbon austenitic stainless steel pipe, with an excellent heat-resistance material which is applied to boiler, heat exchanger, car and aircraft exhaust, chemical equipment etc. As a higher grade from AISI 321H, the intergranular corrosion of 347H is achieved through the use of niobium (Nb) as a stabilizing element to maximize this feature. SS 347 has a good mechanical properties welding performance, excellent resistance to intergranular corrosion .
ASTM A312 TP347H Pipe specification.
Grade: TP347, TP347H,
Standard:Astm A312
Size: OD: 10.3-762mm WT: 1-50mm
Length: fixed length or random
Delivery condition: annealing/pickling/ passivization
Packaging: bundle, plywood case.
seamless, straight-seam welded, and heavily cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service.
TP347 S34709 stainless steel are austenitic stainless steels that contain stabilizing elements. This alloys is easily welded. Annealing may not be required after welding unless stress relief is desired. 347 stainless steel has excellent resistance to oxidation and corrosion. With high creep strength, 347 stainless steel work best up to 1600 °F. The addition columbium plus tantalum in 347 stainless steel give some desired characteristic.
A312 TP347H pipe is mainly used where corrosion resistance and sustained operations at temperatures between 800°F and 1500°F (427°C ~ 816°C) is of the utmost importance. It is also a superior grade for use on heavy welded objects, which cannot be re-annealed.
ASTM A 312
Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
ASTM A312 TP347H Pipe Equivalent Material
Material Comparision of Stainless Steel 347 of ASTM –EN –JIS -China
|
China – GB |
Japan |
USA |
KS |
EN/DIN |
AS |
CNS |
DIN |
||
|
Grade |
New(GB24511) |
JIS |
ASTM |
UNS |
Grade |
||||
|
S34700 |
06Cr18Ni11Nb |
SUS347 |
347 |
S34700 |
STS347 |
1.4550 |
347 |
347 |
X6CrNiNb18-10 |
|
S34709 |
07Cr18Ni11Nb |
SUS347HTB |
347H |
S34709 |
STS347H |
||||
Chemical Composition(%) & Physical Properties of ASTM A312 TP347H Pipe
| A312 Grade | UNS | C | Mn | P | S | Si | Cr | Ni | |
| TP347H | S34709 | 0.04-0.10 | ≤2.00 | ≤0.045 | ≤0.030 | ≤1.00 | 17.0-19.0 | 9.00-13.00 | |
A312 TP347H Stainless pipe Heat Treatment and Gain Size Requirement
|
Stainless Pipe Grade |
A312 TP347H |
|
UNS Number |
S34709 |
|
Heat Treat Type |
Solution Treatment |
|
Solutioning Temperature |
1900 |
|
Cooling Media |
Water of rapid cool |
Tests and Inspection Of ASTM A347 TP347H Stainless Steel Pipe
Surface Condition
Tests and Inspection Of ASTM A347 TP321 Stainless Steel Pipe
How to order our A347 TP347H Pipe?
Example#1,A312 TP347H, 14 inch Stainless Steel Seamless Pipe,Sch 140,6000mm length
