P92 56'' 1422mm x 100mm High Pressure Boiler Tube Alloy Steel ASTM A335
ASTM A335 P92 is the part of ASTM A335. The pipe shall be suitable for bending, flanging, and similar forming operations, and for fusion welding. The steel material shall conform to chemical composition, tensile property, and hardness requirements.
1. Application
For the high-pressure boiler and steam pipes, and the petrochemical industry pipes;
Power plant; Chemical Fertilizer; Petrochemicals; Offshore Oils; Gas Productions; Refineries and etc.
2. Standards
ASTM A335 ——Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
3. Steel pipes No. of main production:
ASTM A335 Grade P5, P9, P11, P12, P22, P91, P92
4. Dimensional Tolerance
Pipe types | OD (mm) | Tolerance | WT (mm) | Tolerance |
High Pressure Boiler Tube | 219~457 | ±1.0% | ≤20 | -10% ~ +12.5% |
20~40 | -10% +10% | |||
457~1422 | ±0.9% | >40~70 | -7%, +9% | |
>70~20 | -6%, +8% |
5. Chemical Composition:
High Pressure Boiler Tube Chemical Requirements | ||||||||||||
Standard | Grade | UNS Designation | Composition, % | |||||||||
C | Mn | P | S | Si | Cr | Mo | Ni | V | Others | |||
ASTM A335 | P5 | K41545 | 0.15max | 0.30-0.60 | 0.025 | 0.025 | 0.50max | 4.00-6.00 | 0.45-0.65 | ... | ||
P9 | S50400 | 0.15max | 0.30-0.60 | 0.025 | 0.025 | 0.25-1.00 | 8.00-10.00 | 0.90-1.10 | ... | |||
P11 | K11597 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 | ... | |||
P12 | K11562 | 0.05-0.15 | 0.30-0.61 | 0.025 | 0.025 | 0.50 max | 0.80-1.25 | 0.44-0.65 | ... | |||
P22 | K21590 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50 max | 1.90-2.60 | 0.87-1.13 | ... | |||
P91 | K91560 | 0.08-0.12 | 0.30-0.60 | 0.02 | 0.01 | 0.20-0.50 | 8.00-9.50 | 0.85-1.05 | 0.4 | 0.18-0.25 | N 0.030-0.070 | |
Al 0.02max | ||||||||||||
Cb 0.06-0.10 | ||||||||||||
Ti 0.01 max | ||||||||||||
Zr 0.01max | ||||||||||||
P92 | K92460 | 0.07-0.13 | 0.30-0.60 | 0.02 | 0.01 | 0.50 max | 8.50-9.50 | 0.30-0.60 | 0.4 | 0.15-0.25 | N 0.03-0.07 | |
Al 0.02 max | ||||||||||||
Cb 0.04-0.09 | ||||||||||||
W 1.5-2.00 | ||||||||||||
B 0.001-0.006 | ||||||||||||
Ti 0.01 max | ||||||||||||
Zr 0.01 max |
6. Mechanical Properties
Standards | Steel pipes No. | Tensile strength | Yield strength | Elongation | Impact energy | Hardness |
(Mpa) | (Mpa) | (%) | (J) | |||
ASTM A335 | P5 | ≥415 | ≥205 | ≥22 | ≥35 | ≤187HB |
P9 | ≥415 | ≥205 | ≥22 | ≥35 | ||
P11 | ≥415 | ≥205 | ≥22 | ≥35 | ≤163HB | |
P12 | ≥415 | ≥220 | ≥22 | ≥35 | ≤163HB | |
P22 | ≥415 | ≥205 | ≥22 | ≥35 | ≤163HB | |
P91 | 585~760 | ≥415 | ≥20 | ≥35 | ≤250HB | |
P92 | ≥620 | ≥440 | ≥20 | ≥35 | ≤250HB |
7. Available Size Range:
OD | Thickness | ||
mm | inch | mm | SCH |
88.9~1422 | 3''~ 56'' | 2.11~140 | ≥SCH10 |
*If the steel grades and size you are looking for are not listed above, please contact us for further information. |