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Hot Rolled T9 T11 T12 T91 T92 Seamless Alloy Steel Tube 25000mm Length for Superheater
Product Details
| Outer Diameter | 6-1200mm | Wall Thickness | 1-120mm |
|---|---|---|---|
| Length | 6m,5.8m,11.8m,12m, Or As Required | Surface Treatment | Black |
| Section Shape | Round | Production Capacity | 50000kgs |
| Tensile Strength | 415-735MPa | Yield Strength | 205-440MPa |
| Elongation | 18-30% | Hardness | ≤250HB |
| Heat Treatment | 1200°F-1375°F | Carbon Content | 0.05-0.20% |
| Chromium Content | 0.50-10.00% | Molybdenum Content | 0.30-1.50% |
| Vanadium Content | 0.15-0.25% | ||
| Highlight | T9 T11 T12 T91 T92 Seamless Alloy Steel Tube,25000mm Length Seamless Steel Pipe,Hot Rolled Alloy Steel Pipe |
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Product Description
Round Beveled Alloy Steel Seamless Tubes for Superheater Applications
High-quality cold rolled/cold drawn alloy steel seamless pipes specifically designed for superheater applications in power plants, available in 25000mm length with hot rolled finish.
Product Specifications
| Item | Cold Rolled / Cold Drawn alloy steel seamless pipe |
| Standards | JISG3467-88, JISG3458-88, GB3087, GB6479-2000, GB9948-2006, GB5310-95, GB9948-88, ASME SA210, ASME SA213, ASTM SA335, ASTMA335/A335m, ASTMA213/A213m, DIN 17175 |
| Model Numbers | 12Cr1MoV, P2(10CrMo910), T91, P91, P9, T9, Cr5Mo, 15CrMo, P11, P12, 13CrMo44, 25CrMo, 30CrMo, 40CrMo, 12CrMo, X12CrMo91, 12Cr2Mo |
| Surface Finish | Black painted, PE coated, galvanized |
| Length | 6m, 5.8m, 11.8m, 12m, or as required |
| Wall Thickness | 1-120mm |
| Outer Diameter | 6-1200mm |
Trade Terms
| Payment Terms | T/T, L/C, Western Union |
| Price Terms | FOB, CIF, CFR, Ex-work, CNF |
Chemical Composition (%)
| Grade | C | Mn | P≤ | S≤ | Si | Cr | Mo | V≥ |
|---|---|---|---|---|---|---|---|---|
| T11 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 0.50-1.00 | 1.00-1.50 | |
| T12 | 0.05-0.15 | 0.30-0.61 | 0.025 | 0.025 | ≤0.50 | 0.80-1.25 | 0.44-0.65 | |
| T13 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 1.90-2.60 | 0.87-1.13 | |
| T2 | 0.10-0.20 | 0.30-0.61 | 0.025 | 0.025 | 0.10-0.30 | 0.50-0.81 | 0.44-0.65 | |
| T5 | ≤0.15 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 4.00-6.00 | 0.45-0.65 | |
| T5b | ≤0.15 | 0.30-0.60 | 0.025 | 0.025 | 1.00-2.00 | 4.00-6.00 | 0.45-0.65 | |
| T5c | ≤0.12 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 4.00-6.00 | 0.45-0.65 | |
| T9 | ≤0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.25-1.00 | 8.00-10.00 | 0.9-1.0 | |
| T22 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 1.90-2.60 | 0.87-1.13 | |
| T91 | 0.08-0.12 | 0.30-0.60 | 0.020 | 0.010 | ≤0.50 | 8-9.50 | 0.85-1.05 | 0.18-0.25 |
| T92 | 0.07-0.13 | 0.30-0.60 | 0.020 | 0.010 | ≤0.50 | 8-9.50 | 0.3-0.60 | 0.15-0.25 |
| T21 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 2.65-3.35 | 0.80-1.06 |
Mechanical Properties
| Standard | Steel Grade | Tensile (MPa) | Yield (MPa) | Elongate (%) | Hardness |
|---|---|---|---|---|---|
| 20MnG | 20MnG | ≥415 | ≥240 | ≥22 | |
| 25MnG | 25MnG | ≥485 | ≥275 | ≥20 | |
| 15CrMoG | 15CrMoG | 440~640 | ≥235 | ≥21 | |
| 12Cr2MoG | 12Cr2MoG | 450~600 | ≥280 | ≥20 | |
| 12Cr1MoVG | 12Cr1MoVG | 470~640 | ≥255 | ≥21 | |
| 12Cr2MoWVTiB | 12Cr2MoWVTiB | 540~735 | ≥345 | ≥18 | |
| 10Cr9Mo1VNb | 10Cr9Mo1VNb | ≥585 | ≥415 | ≥20 | |
| ASME SA210 | SA210A-1 | ≥415 | ≥255 | ≥30 | ≤143HB |
| ASME SA210 | SA210C | ≥485 | ≥275 | ≥30 | ≤179HB |
| ASME SA213 | SA213 T11 | ≥415 | ≥205 | ≥30 | ≤163HB |
| ASME SA213 | SA213 T12 | ≥415 | ≥220 | ≥30 | ≤163HB |
| ASME SA213 | SA213 T22 | ≥415 | ≥205 | ≥30 | ≤163HB |
| ASME SA213 | SA213 T23 | ≥510 | ≥400 | ≥20 | ≤220HB |
| ASME SA213 | SA213 T91 | ≥585 | ≥415 | ≥20 | ≤250HB |
| ASME SA213 | SA213 T92 | ≥620 | ≥440 | ≥20 | ≤250HB |
| DIN17175 | ST45.8/ | 410~530 | ≥255 | ≥21 | / |
| DIN17175 | 15Mo3 | 450~600 | ≥270 | ≥22 | |
| DIN17175 | 13CrMo44 | 440~590 | ≥290 | ≥22 | |
| DIN17175 | 10CrMo910 | 480~630 | ≥280 | ≥20 |
Heat Treatment Assurance
Our facility utilizes a fully-automatic natural gas furnace measuring 24 meters in length, ensuring precise temperature control with real temperature tolerance maintained within 10ºC.
Important Note: It is recommended that the tempering temperature should be at least 100°F [50°C] above the intended service temperature. Please advise the manufacturer if service temperature exceeds 1100°F [600°C].
Pipes of Grades P1, P2, and P12 (hot finished or cold drawn) may receive final heat treatment at 1200°F[650°C] to 1300°F [705°C] instead of specified treatments. All Grade P5c pipes undergo final heat treatment in the range of 1325°F [715°C] to 1375°F[745°C].
Pipes of Grades P1, P2, and P12 (hot finished or cold drawn) may receive final heat treatment at 1200°F[650°C] to 1300°F [705°C] instead of specified treatments. All Grade P5c pipes undergo final heat treatment in the range of 1325°F [715°C] to 1375°F[745°C].
Quality Assurance Process
- Each lot of raw materials undergoes spectrometer testing before storage
- 100% Positive Material Identification (PMI) of mother pipe to ensure correct material selection
- 100% PMI of finished pipe to verify correct grade production
Permitted Outer Diameter Tolerance
| OD (mm) | Plus Tolerance (+) | Minus Tolerance (-) |
|---|---|---|
| 10.29-48.3 | 0.4 | 0.4 |
| <48.3--≤114.3 | 0.79 | 0.79 |
| <114.3-≤219.1 | 1.59 | 0.79 |
| <219.1-≤323.9 | 2.38 | 0.79 |
| <323.9 | ±1% | |
Applications
These high-pressure, low & medium pressure boiler steel pipes/tubes are specifically designed for manufacturing super-heaters, re-heaters, water walls, and economizers in large-scale power plants.
Product Images
Manufacturer Profile
We are a professional enterprise specializing in pipe fittings production, steel pipe sales, and export services. Our core products include alloy steel pipes, alloy pipes, and alloy pipe fittings.
Company Overview
Established in 1992, our factory covers 100,000 square meters and employs 520 staff members, including 3 senior engineers, 12 engineers, and 150 professional technical personnel. Our annual production capacity exceeds 20,000 tons of pipe fittings and 50,000 tons of pipe flux.
Certifications & Quality Standards
- ISO9001 International Quality Management System Certification
- ISO14001 Environmental Management System Certification
- OHSA18001 Occupational Health and Safety Management System Certification
- Pressure Pipe Special Equipment Manufacturing License
- Measurement Assurance Ability Certificate
- Hebei Province, China Datang Group Network Members Factory Certificate
- Chemical Equipment Sentinel Production Enterprises Certificate (China)
- China Power Network Members Accessories Factory Certification
- China Petrochemical Materials Supply Network Member Certification
Production Capabilities
Our facility features advanced production equipment and comprehensive testing capabilities, supported by strong technical expertise. Key products include steel pipe fittings (elbows, tees, four-ways, reducing pipes, heads, flanges, support hangers, bearing plugs) and related series products.
We maintain over 20,000 tons of special steel pipes in inventory year-round, including materials such as SA106B, 20g, Q345, 12Cr1MoVG, 15CrMoG, 1Cr5Mo, 1Cr9Mo, 10CrMo910, A335P5/P9/P11/P12/P22/P91/P92, WB36, and various austenitic stainless steels.
Market Presence
Our products serve diverse industries including petroleum, chemical, power generation, metallurgy, city gas, heat pipe networks, and shipbuilding. We maintain partnerships with major steel producers and export to Southeast Asia, Central Asia, North Africa, and South America.
We are committed to our business philosophy of delivering high-quality products, providing excellent service, and building sincere cooperation with customers worldwide.
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