Black Painting Alloy Steel Seamless Boiler Tubes ASME SA335 P22 12'' SCH120 6M with 415 MPa Tensile Strength
Price:
800 - 9000 USD / ton
MOQ:
5T
Delivery Time:
60-75days
Brand:
HDT
Product Description
Black Painting Alloy Steel Seamless Boiler Tubes
High-temperature corrosion resistant alloy steel tubes compliant with ASME SA335 P22 12'' SCH120 6M and ASTM A335 P11 168.3*14.27*6000MM specifications.
Product Overview
Alloy steel tubes are engineered with strategic alloying elements (1-50% by weight) to enhance mechanical properties. These elements improve strength, hardenability, corrosion resistance, and extreme temperature stability for demanding industrial applications.
Material Specifications
Primary Standards
- ASTM A213 (Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes)
- ASTM A335 (Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service)
Available Grades
ASTM A/ASME SA 213: T5, T9, T11, T22, T23, T91, T92
ASTM A/ASME SA335: P5, P9, P11, P22, P91, P92
Grade Specifications
Trade Names and Standards
| Trade Name | Grade | UNS # | Tube | Forged / Bored Pipe |
|---|---|---|---|---|
| 1 1/4 Chrome | P11 | K11597 | A335 / SA335 | A369 / SA369 |
| 2 1/4 Chrome | P22 | K21590 | A335 / SA335 | A369 / SA369 |
| 5 Chrome | P5 | K41545 | A335 / SA335 | A369 / SA369 |
| 9 Chrome | P9 | S50400 | A335 / SA335 | A369 / SA369 |
| P91 | P91 | K91560 | A335 / SA335 | A369 / SA369 |
| P92 | P92 | K92460 | A335 / SA335 | A369 / SA369 |
Chemical Composition (%)
| Grade | C | Mn | P≤ | S≤ | Si | Cr | Mo |
|---|---|---|---|---|---|---|---|
| P11 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 |
| P22 | 0.05-0.16 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 1.90-2.60 | 0.87-1.13 |
| P5 | ≤0.15 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 4.00-6.00 | 0.45-0.65 |
| P9 | ≤0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.25-1.00 | 8.00-10.00 | 0.90-1.10 |
| P91 | 0.08-0.12 | 0.30-0.60 | 0.020/0.010 | 0.020/0.010 | 0.02-0.50 | 8.00-9.50 | 0.85-1.05 |
| P92 | 0.07-0.13 | 0.30-0.60 | 0.020/0.010 | 0.020/0.010 | ≤0.50 | 8.50-9.50 | 0.30-0.60 |
Mechanical Properties
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
|---|---|---|---|
| P11, P22, P5, P9 | ≥415 | ≥205 | ≥30/20 |
| P91 | ≥585 | ≥415 | ≥20 |
| P92 | ≥620 | ≥440 | ≥20 |
Product Specifications
- Type: Seamless
- Form: Round Pipes/Tubes, Square Pipes/Tubes, Coiled Tubes, Pan Cake Coils, Hydraulic Tubes
- Length: Single Random, Double Random & Required Length
- End: Plain End, Beveled End, Threaded
- End Protection: Plastic Caps
- Outside Coating: Black Painting, Anti-Corrosion Oil, Galvanized Finish, Custom Finishes
Quality Assurance
Comprehensive inspection and testing protocols ensure product reliability:
- Mill Test Certificates
- EN 10204 3.1 Certification
- Chemical and Mechanical Reports
- PMI Test Reports
- Visual Inspection Reports
- Third Party Inspection Reports
- NABL Approved Lab Reports
- Destructive and Non-Destructive Test Reports
Product Images
Certifications
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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
Sandy