ASTM A335 P22 Alloy Steel Seamless Pipe 6-420mm OD for Boilers and Power Plants
Price:
800 - 9000 USD / ton
MOQ:
5T
Delivery Time:
60-75days
Brand:
HDT
Product Description
Product Overview
ASTM A335 P22 alloy steel seamless pipes are engineered for high-temperature service in boiler systems, superheaters, and heat exchangers within power plant applications. These ferritic alloy steel tubes deliver exceptional performance under demanding thermal conditions.
Key Specifications
Size Range
- Outer Diameter: 6-420mm
- Wall Thickness: 1-50mm
- Length: Customized to customer requirements
Chemical Composition
| Steel Grade | C | Mn | P | S | Si | Cr | Mo |
|---|---|---|---|---|---|---|---|
| P5 | 0.15 max | 0.30-0.60 | 0.025 max | 0.025 max | 0.50 max | 4.00-6.00 | 0.45-0.65 |
| P9 | 0.15 max | 0.30-0.60 | 0.025 max | 0.025 max | 0.25-1.00 | 8.00-10.00 | 0.90-1.10 |
| P11 | 0.05-0.15 | 0.30-0.60 | 0.025 max | 0.025 max | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 |
| P12 | 0.05-0.15 | 0.30-0.61 | 0.025 max | 0.025 max | 0.50 max | 0.80-1.25 | 0.44-0.65 |
| P21 | 0.05-0.15 | 0.30-0.60 | 0.025 max | 0.025 max | 0.50 max | 2.65-3.35 | 0.80-1.06 |
| P22 | 0.05-0.15 | 0.30-0.60 | 0.025 max | 0.025 max | 0.50 max | 1.90-2.60 | 0.87-1.13 |
| P91 | 0.08-0.12 | 0.30-0.60 | 0.020 max | 0.010 max | 0.20-0.50 | 8.00-9.50 | 0.85-1.05 |
| P92 | 0.07-0.13 | 0.30-0.60 | 0.020 max | 0.010 max | 0.50 max | 8.50-9.50 | 0.30-0.60 |
Mechanical Properties
| Steel Grade | Tensile Strength min.ksi [Mpa] | Yield Strength min.ksi [Mpa] | Elongation % | Hardness Max |
|---|---|---|---|---|
| P1, P2 | 55[380] | 30[205] | 20 | |
| P12 | 60[415] | 32[220] | 20 | |
| P23 | 74[510] | 58[400] | 20 | |
| P91 | 85[585] | 60[415] | 30 | 250 HB/265 HV | 25 HRC |
| P92, P911 | 90[620] | 64[440] | 30 | 250 HB/265 HV | 25 HRC |
| P122 | 90[620] | 58[400] | 30 | 250 HB/265 HV | 25 HRC |
Reference Standards
- ASTM A450/A 450M - General Requirements for Carbon, Ferritic Alloy, and Austenitic Alloy Steel Tubes
- ASTM A999/A 999M - General Requirements for Alloy and Stainless Steel Pipe
- ASTM E213 - Ultrasonic Examination of Metal Pipe and Tubing
- ASTM E309 - Eddy-Current Examination of Steel Tubular Products Using Magnetic Saturation
- ASTM E381 - Macroetch Testing Steel Bars, Billets, Blooms, and Forgings
- ASTM E527 - Numbering Metals and Alloys
- ASTM E570 - Flux Leakage Examination of Ferromagnetic Steel Tubular Products
- SNT-TC-1A - Recommended Practice for Nondestructive Personnel Qualification and Certification
- SEA J 1086 - Practice for Numbering Metals and Alloys
Applications
- Boilers
- Superheaters
- Heat Exchangers
- Power Plant Systems
- High-Temperature Service Equipment
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD
Location
Rm. 1202, Buildiing A, Wanda Plaza, Zhangjiagang, Jiangsu, China
Contact Person
Yolanda Zou