Alloy Steel Seamless Tubes & Pipes for Power Plants - ASTM A335 P5/P11/P91 Grades, 1/8" to 26" Diameter, High-Temperature Service
Price:
800 - 9000 USD / ton
MOQ:
5T
Delivery Time:
60-75days
Brand:
HDT
Product Description
Power Plant Alloy Steel Seamless Tubes & Pipes
High-performance alloy steel seamless tubes and pipes specifically engineered for power plant boilers, heat exchangers, and high-temperature industrial applications.
Product Grades & Specifications
ASME SA335 Grade P5 Alloy Steel Pipes
Manufactured to ASME SA335 standards in grades including P1, P5, P9, P11, P12, and P91. Available with IBR certification and NACE MR 0175 compliance reports.
ASTM A335 P11 Alloy Steel Pipes
IBR-compliant seamless pipes designed for boiler operations, available in customized sizes and configurations to meet specific piping requirements.
ASTM A335 P12 Alloy Steel Pipes
Ideal for petrochemical, refinery, fertilizer, and pharmaceutical industries. Sourcing capability up to 26 inches in diameter.
ASTM A335 Grade P91 NACE Alloy Pipes
IBR-standard pipes for boiler applications, available in various sizes and custom parameters from quality-certified manufacturers.
ASME SA213 Grade T11 Alloy Steel Tubes
Manufactured to ASME SA213 specifications for diverse industrial applications.
Technical Specifications
Size Range & Schedules
Diameter: 1/8" to 26" (6mm to 1420mm)
Wall Thickness: 1mm to 60mm
Standard Schedules: 20, 30, 40, STD, XH, 80, 100, 120, 140, 160, XXH
Length: Standard 12m, 11.8m, 6m, 5.8m (maximum 25m)
Chemical Composition Requirements
| Grade | P-5 | P-9 | P-11 | P-22 | P-91 |
|---|---|---|---|---|---|
| Carbon | 0.15 max | 0.15 max | 0.05 - 0.15 | 0.05 - 0.15 | 0.08 - 0.12 |
| Manganese | 0.30 - 0.60 | 0.30 - 0.60 | 0.30 - 0.60 | 0.30 - 0.60 | 0.30 - 0.60 |
| Chromium | 4.00 - 6.00 | 8.00 - 10.00 | 1.00 - 1.50 | 1.90 - 2.60 | 8.00 - 9.50 |
| Molybdenum | 0.45 - 0.65 | 0.90 - 1.10 | 0.44 - 0.65 | 0.87 - 1.13 | 0.85 - 1.05 |
Mechanical Properties
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| P11 | ≥ 415 | ≥ 205 | ≥ 22 | ≤ 163 |
| P12 | ≥ 415 | ≥ 220 | ≥ 22 | ≤ 163 |
| P91 | 585 - 760 | ≥ 415 | ≥ 20 | ≤ 250 |
Quality Assurance & Testing
All pipes undergo comprehensive mechanical testing including tension tests, flattening tests, hardness tests, and bend tests. Hydrostatic testing or equivalent nondestructive electric testing ensures product integrity and performance reliability.
International Standards Compliance
Our alloy steel seamless tubes and pipes meet multiple international standards including ASTM, ASME, DIN, JIS, GB, and SEW specifications for global industrial applications.
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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