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Grade T/P92 is a ferritic-martensitic (9 % chromium, 1.75 % tungsten, 0.5 % molybdenum) steel micro-alloyed with vanadium and
niobium, and has controlled boron and nitrogen contents according to ASTM A 335, A 213 or to EN 10216-2 standard under the
designation X10CrWMoVNb9-2.
Grade T/P92 exhibits excellent elevated-temperature strength and creep behavior up to 600 °C - 620 °C. Its 9 % chromium content
offers better corrosion and oxidation resistance than grade 22. In addition, the reduced weight of boiler and piping components
resulting from the steel's superior performance compared with other standard steels allows higher resistance to thermal fatigue.
Compared with austenitic steels, grade T/P92 has higher heat transfer and lower thermal expansion coefficients.
ASTM A335 T/P92 High pressure boiler pipe | |
Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel oiler, Superheater,and Heat-Exchanger Tubes | |
Application: |
In fossil-fuelled power plants, this grade is mainly used for high-temperature applications in superheater and reheater tubes, headers and steam piping (main steam and hot reheat). |
Size(mm): |
|
Grade |
W | Nb | AL |
Ni |
V |
C |
Mn |
P≤ |
S≤ |
Si |
Cr |
Mo |
P5 |
1.5-2 | 0.04-0.09 | 0.04 | 0.4 | 0.15-0.25 |
0.05-0.15 |
0.30-0.60 |
0.025 |
0.025 |
0.50-1.00 |
0.50-1.00 |
1.00-1.50 |
Mechanical properties for ASTM A335 P/T92
Elongation, min, (%), L/T |
Tensile Point |
Yield Point |
20MIN |
620 min |
440min |
Inspection and Test:
Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength,Yield Strength, Elongation, Flaring, Flattening, Bending, Hardness, Impact Test), Surface and Dimension Test,No-destructive Test, Hydrostatic Test.
Surface treatment:
Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.
Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.
ASTM A335 Gr P92 Alloy Steel seamless pipe
ASTM S/A 335 Chrome Moly Pipe Grade P92
ASTM A335 Gr P92 High Pressure Steel Pipe
ASTM A335 Gr P92 boiler Pipe
Alloy Steel ASTM A335 Standard Grade P92 High pressure boiler pipe
Alloy Steel ASTM A335 Standard Grade P92 Multi lead rifles tubes (MLR)
Alloy Steel ASTM A335 Standard Grade P92 Thick Wall Alloy steel pipe
Alloy Steel ASTM A335 Standard Grade P92 Use For Boiler superheater coils
Alloy Steel ASTM A335 Standard Grade P92 Boiler superheater Tube
Alloy Steel ASTM A335 Standard Grade P92 Boiler superheater coils
Alloy Steel ASTM A335 Standard Grade P92 alloy pipe boiler header
Material & Manufacture
Pipe may be either hot finished or cold drawn with the finishing heat treatment noted below.
Heat Treatment
- A / N+T
- N+T / Q+T
- N+T
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