Refinery heaters, hydrotreating & catalytic reforming unitsCr-Mo Alloy Steel Pipes
- ASTM A335
- P5 / P9 / P11 / P22
- ASTM A691
- 1¼Cr / 2¼Cr / 5Cr / 9Cr
AUTHORIZED DISTRIBUTOR OF YANTAI LUBAO SEAMLESS STEEL PIPES
BAOSTEEL ALLOY & HIGH-GRADE STEEL PIPESSUPPLIER TO GLOBAL MARKETSBAOSTEEL ALLOY & HIGH-GRADE STEEL PIPESSUPPLIER TO GLOBAL MARKETS
- Over 30,000 tonnes in regular stock, with quotes within 24 hours
- One-stop supply, processing, corrosion protection & export logistics
- Material certificates & heat-number traceability, with third-party inspection support
- ASTM, ASME, API, EN, DIN & JIS standards supported
- ISO 9001 certification; API, ABS, DNV, LR, BV & CCS certifications
- Alloy Steel PipesA335 P5 / P9 / P11 / P12 / P22 / P91 / P92, A691
- High-Grade Line PipeAPI 5L X52 / X60 / X65 / X70 / X80
- Specialty Steel PipesInternally rifled / Extra-long / Low-temperature / Corrosion-resistant
Baosteel Steel Pipe Product Catalogue
Long-distance oil & gas transmission and subsea pipelinesHigh-Grade Line Pipes
- API 5L PSL1 / PSL2
- X52 / X60 / X65 / X70 / X80
- EN ISO 3183
- L360 / L415 / L450 / L485 / L555
Power boilers, superheaters & high-pressure steam systemsBoiler Tubes & High-Pressure Steam Pipes
- ASTM A213 / ASME SA213
- T11 / T22 / T91 / T92
- ASTM A335 / ASME SA335
- P91 / P92
Power boiler waterwalls & evaporator heating surfacesInternally Rifled Waterwall Tubes
- ASME SA210
- A1 / C
- ASME SA213
- T2 / T12 / T22
Heat recovery steam generators (HRSG), superheaters & reheatersLong-Length Boiler Tubes
- ASTM A213 / ASME SA213
- T11 / T12 / T22 / T91
- ASME SA210
- A1 / C
Low-temperature process piping & refrigeration equipmentLow-Temperature Steel Pipes
- ASTM A333 / A334
- Gr.1 / Gr.3 / Gr.6
- EN 10216-4
- P215NL / P255QL / P265NL
Cranes, heavy equipment & load-bearing structuresHigh-Strength Structural Tubes
- ASTM A500
- Gr.C
- EN 10210-3
- S460NH / S460NLH / S690QH / S690QLH
Sour-service oil & gas gathering and treatment facilitiesSour-Service Line Pipes
- NACE MR0175 / ISO 15156
- Applicable material requirements for H₂S service
- NACE TM0284 / TM0177
- HIC / SSC testing; conditions and acceptance criteria agreed per project
Buried oil & gas pipelines and subsea pipelinesCoated Line Pipes
- API 5L base pipe
- X52 / X60 / X65 / X70 / X80
- External coating systems
- 3LPE / 3LPP / FBE
Economizers, air preheaters & flue-gas heat recoveryDew-Point Corrosion-Resistant Tubes
- ND steel for sulfuric acid dew-point corrosion resistance
- 09CrCuSb / BG09CrCuSb (BGND)
- Baosteel specialty corrosion-resistant grades
- BGNDMA / BG20GMA (mixed dilute-acid service)
Shale oil & gas gathering, oilfield water injection & offshore oil and gasMIC-Resistant Pipes
- Baosteel RCB line pipe series
- BG L245N-RCB / BG L360Q-RCB
- Baosteel RCB high-grade series
- BG L450Q-RCB / BG L485Q-RCB
Chemical process piping & corrosive serviceStainless Steel Pipes
- ASTM A312
- TP304L / TP316L / TP321 / TP347
- ASTM A790
- S32205 (2205) / S32750 (2507)
Technical Range
Steel Pipe Technical Range
| Specification | Pipes & Tubes for Power and Refining | Pipes for Transmission and Engineering |
|---|---|---|
| Products & applications | Cr-Mo alloy pipes, boiler tubes and high-pressure steam pipes, rifled waterwall tubes and long-length HRSG tubes Applications: refinery heaters, power boilers, waterwalls and heat recovery systems | High-grade line pipes, low-temperature pipes, high-strength structural tubes, sour-service, coated and corrosion-resistant pipes Applications: oil and gas transmission, low-temperature process piping, construction machinery and gathering systems for corrosive media |
| Manufacturing route | Seamless: hot rolling, cold drawing / cold rolling; rifled tubes: cold-formed internal helical ribs Welded alloy pipes: confirm grade, class and heat treatment to ASTM A691 | Seamless SMLS / high-frequency welded HFW / longitudinal submerged-arc welded SAWL Select the manufacturing route by product standard, grade, dimensions and service conditions |
| Outside diameter | Hot-rolled seamless: 33–508 mm Cold-drawn / cold-rolled: 16–89 mm Rifled tubes: 22–89 mm | Line pipe: SMLS 33.4–508 mm HFW 219.1–610 mm; SAWL 508–1422 mm Low-temperature / high-strength tubes: hot-rolled 33–508 mm; cold-worked 16–89 mm |
| Wall thickness & length | Hot-rolled seamless wall: 4–55 mm; cold-worked: 2–16 mm Rifled tube wall: 4.5–13 mm; internal ribs: 4–14 Long-length HRSG tubes: 12–24 m, subject to grade and size review | Line pipe wall: SMLS 3.4–60 mm; HFW 4–19.1 mm; SAWL 6–40 mm Low-temperature / high-strength tubes: hot-rolled 4–55 mm; cold-worked 2–16 mm Lengths, cut lengths and end requirements confirmed per order |
| US standards & grades | ASTM A335: P5 / P9 / P11 / P12 / P22 / P91 / P92 ASTM A213: T2 / T11 / T12 / T22 / T91 / T92 ASME SA210: A1 / C ASTM A691: 1¼Cr / 2¼Cr / 5Cr / 9Cr | API 5L: X52 / X60 / X65 / X70 / X80 ASTM A333 / A334: Gr.1 / Gr.3 / Gr.6 ASTM A500: Gr.C Carbon steel options: ASTM A106 Gr.B / Gr.C, A53 Gr.B |
| European standards & grades | EN 10216-2: 16Mo3 / 13CrMo4-5 / 10CrMo5-5 / 10CrMo9-10 / X10CrMoVNb9-1 / X10CrWMoVNb9-2 | EN ISO 3183: L360 / L415 / L450 / L485 / L555 EN 10216-4: P215NL / P255QL / P265NL EN 10210-3: S460NH / S460NLH / S690QH / S690QLH |
| Delivery condition | Annealed, normalized, normalized and tempered, or quenched and tempered, according to material standard and grade. Rifling geometry and post-forming treatment confirmed against drawings | Normalized N, quenched and tempered Q, or thermomechanically rolled M as specified. Confirm PSL, delivery suffixes, and additional offshore and sour-service requirements separately |
| Dimensional tolerances | To the applicable product standard and purchase specification. Baosteel handbook example: SA213 cold-worked tubes, OD ≤25.4 mm: ±0.10 mm; 25.4 < OD ≤38.1 mm: ±0.15 mm | Pipe body and ends, and seamless and welded pipes, are controlled separately. Handbook line pipe example: 60.3 ≤ D ≤426 mm, body OD ±0.75%; welded pipe with 5 < t < 15 mm, wall thickness ±10% |
| Mechanical properties | Handbook reference: T91 / P91 tensile strength ≥585 MPa, yield strength ≥415 MPa; T92 / P92 tensile strength ≥620 MPa, yield strength ≥440 MPa Heat treatment, hardness and elevated-temperature properties confirmed to standards and project requirements | Handbook reference: X70 PSL2 yield strength 485–635 MPa, tensile strength 570–760 MPa; X80 PSL2: 555–705 MPa and 625–825 MPa respectively For low-temperature and structural tubes, specify impact temperature, orientation, specimen size and wall thickness requirements |
| Ends & identification | Plain or beveled ends, cut lengths, protective end caps and stenciled markings. Grade, dimensions and heat numbers correspond to material documents. Special end machining confirmed against drawings. | |
| Coatings & corrosion resistance | External coatings: 3LPE / 3LPP / FBE. Surface preparation and protection: blast cleaning, rust-preventive oil or paint. Dew-point corrosion-resistant materials: 09CrCuSb / BGND and related grades. MIC-resistant materials: Baosteel RCB series. Confirm coating system, base material corrosion resistance and service suitability separately. | |
| Inspection & documents | Chemical analysis, tensile, hardness, impact, dimensional and visual checks; UT / ET / MT / PT / RT and hydrostatic testing as required by the product specification. Review sour-service requirements to applicable NACE MR0175 / ISO 15156; HIC / SSC testing to TM0284 / TM0177 and project acceptance criteria. Agreed material certificates, heat-number traceability and third-party inspection documents provided. | |
| Ordering notes | The dimensions and properties above include reference ranges from Baosteel handbooks and do not indicate availability of every grade, OD and wall combination. Manufacturing route, standard edition and the order technical agreement govern; confirm X80 to PSL2. Grades from different standards must not be substituted solely on strength or chemical composition. | |
| Products & applications | Cr-Mo alloy pipes, boiler tubes and high-pressure steam pipes, rifled waterwall tubes and long-length HRSG tubes Applications: refinery heaters, power boilers, waterwalls and heat recovery systems |
|---|---|
| Manufacturing route | Seamless: hot rolling, cold drawing / cold rolling; rifled tubes: cold-formed internal helical ribs Welded alloy pipes: confirm grade, class and heat treatment to ASTM A691 |
| Outside diameter | Hot-rolled seamless: 33–508 mm Cold-drawn / cold-rolled: 16–89 mm Rifled tubes: 22–89 mm |
| Wall thickness & length | Hot-rolled seamless wall: 4–55 mm; cold-worked: 2–16 mm Rifled tube wall: 4.5–13 mm; internal ribs: 4–14 Long-length HRSG tubes: 12–24 m, subject to grade and size review |
| US standards & grades | ASTM A335: P5 / P9 / P11 / P12 / P22 / P91 / P92 ASTM A213: T2 / T11 / T12 / T22 / T91 / T92 ASME SA210: A1 / C ASTM A691: 1¼Cr / 2¼Cr / 5Cr / 9Cr |
| European standards & grades | EN 10216-2: 16Mo3 / 13CrMo4-5 / 10CrMo5-5 / 10CrMo9-10 / X10CrMoVNb9-1 / X10CrWMoVNb9-2 |
| Delivery condition | Annealed, normalized, normalized and tempered, or quenched and tempered, according to material standard and grade. Rifling geometry and post-forming treatment confirmed against drawings |
| Dimensional tolerances | To the applicable product standard and purchase specification. Baosteel handbook example: SA213 cold-worked tubes, OD ≤25.4 mm: ±0.10 mm; 25.4 < OD ≤38.1 mm: ±0.15 mm |
| Mechanical properties | Handbook reference: T91 / P91 tensile strength ≥585 MPa, yield strength ≥415 MPa; T92 / P92 tensile strength ≥620 MPa, yield strength ≥440 MPa Heat treatment, hardness and elevated-temperature properties confirmed to standards and project requirements |
| Ends & identification | Plain or beveled ends, cut lengths, protective end caps and stenciled markings. Grade, dimensions and heat numbers correspond to material documents. Special end machining confirmed against drawings. |
| Coatings & corrosion resistance | External coatings: 3LPE / 3LPP / FBE. Surface preparation and protection: blast cleaning, rust-preventive oil or paint. Dew-point corrosion-resistant materials: 09CrCuSb / BGND and related grades. MIC-resistant materials: Baosteel RCB series. Confirm coating system, base material corrosion resistance and service suitability separately. |
| Inspection & documents | Chemical analysis, tensile, hardness, impact, dimensional and visual checks; UT / ET / MT / PT / RT and hydrostatic testing as required by the product specification. Review sour-service requirements to applicable NACE MR0175 / ISO 15156; HIC / SSC testing to TM0284 / TM0177 and project acceptance criteria. Agreed material certificates, heat-number traceability and third-party inspection documents provided. |
| Ordering notes | The dimensions and properties above include reference ranges from Baosteel handbooks and do not indicate availability of every grade, OD and wall combination. Manufacturing route, standard edition and the order technical agreement govern; confirm X80 to PSL2. Grades from different standards must not be substituted solely on strength or chemical composition. |
| Products & applications | High-grade line pipes, low-temperature pipes, high-strength structural tubes, sour-service, coated and corrosion-resistant pipes Applications: oil and gas transmission, low-temperature process piping, construction machinery and gathering systems for corrosive media |
|---|---|
| Manufacturing route | Seamless SMLS / high-frequency welded HFW / longitudinal submerged-arc welded SAWL Select the manufacturing route by product standard, grade, dimensions and service conditions |
| Outside diameter | Line pipe: SMLS 33.4–508 mm HFW 219.1–610 mm; SAWL 508–1422 mm Low-temperature / high-strength tubes: hot-rolled 33–508 mm; cold-worked 16–89 mm |
| Wall thickness & length | Line pipe wall: SMLS 3.4–60 mm; HFW 4–19.1 mm; SAWL 6–40 mm Low-temperature / high-strength tubes: hot-rolled 4–55 mm; cold-worked 2–16 mm Lengths, cut lengths and end requirements confirmed per order |
| US standards & grades | API 5L: X52 / X60 / X65 / X70 / X80 ASTM A333 / A334: Gr.1 / Gr.3 / Gr.6 ASTM A500: Gr.C Carbon steel options: ASTM A106 Gr.B / Gr.C, A53 Gr.B |
| European standards & grades | EN ISO 3183: L360 / L415 / L450 / L485 / L555 EN 10216-4: P215NL / P255QL / P265NL EN 10210-3: S460NH / S460NLH / S690QH / S690QLH |
| Delivery condition | Normalized N, quenched and tempered Q, or thermomechanically rolled M as specified. Confirm PSL, delivery suffixes, and additional offshore and sour-service requirements separately |
| Dimensional tolerances | Pipe body and ends, and seamless and welded pipes, are controlled separately. Handbook line pipe example: 60.3 ≤ D ≤426 mm, body OD ±0.75%; welded pipe with 5 < t < 15 mm, wall thickness ±10% |
| Mechanical properties | Handbook reference: X70 PSL2 yield strength 485–635 MPa, tensile strength 570–760 MPa; X80 PSL2: 555–705 MPa and 625–825 MPa respectively For low-temperature and structural tubes, specify impact temperature, orientation, specimen size and wall thickness requirements |
| Ends & identification | Plain or beveled ends, cut lengths, protective end caps and stenciled markings. Grade, dimensions and heat numbers correspond to material documents. Special end machining confirmed against drawings. |
| Coatings & corrosion resistance | External coatings: 3LPE / 3LPP / FBE. Surface preparation and protection: blast cleaning, rust-preventive oil or paint. Dew-point corrosion-resistant materials: 09CrCuSb / BGND and related grades. MIC-resistant materials: Baosteel RCB series. Confirm coating system, base material corrosion resistance and service suitability separately. |
| Inspection & documents | Chemical analysis, tensile, hardness, impact, dimensional and visual checks; UT / ET / MT / PT / RT and hydrostatic testing as required by the product specification. Review sour-service requirements to applicable NACE MR0175 / ISO 15156; HIC / SSC testing to TM0284 / TM0177 and project acceptance criteria. Agreed material certificates, heat-number traceability and third-party inspection documents provided. |
| Ordering notes | The dimensions and properties above include reference ranges from Baosteel handbooks and do not indicate availability of every grade, OD and wall combination. Manufacturing route, standard edition and the order technical agreement govern; confirm X80 to PSL2. Grades from different standards must not be substituted solely on strength or chemical composition. |
Company Profile
About Yantai Lubao
Yantai Lubao Steel Pipe Co., Ltd. is a wholly owned subsidiary established by Baoshan Iron & Steel Co., Ltd. in accordance with China’s national energy development strategy, steel industry policies and Yantai’s industrial development plan. Located at No. 1030 Yongda Street, Fushan District, Yantai, Shandong Province, the company covers 720,000 square meters, has a registered capital of RMB 3.05 billion and produces more than 900,000 tonnes of seamless steel pipes annually.
Yantai Lubao specializes in the production and supply of high-end seamless steel pipes for oil and gas exploration and transmission, power plant boilers, new energy development and utilization, machining and construction. To meet requirements for corrosion resistance, high strength and high performance, its product range includes high-alloy, highly corrosion-resistant casing and tubing, highly sour-resistant casing, high-collapse casing, high-grade subsea line pipes, high-alloy high-pressure boiler tubes, high-alloy petrochemical pipes and high-strength mechanical structural tubes.
Synbase Steel Co., Ltd. specializes in providing one-stop piping system solutions for the global energy and industrial sectors. Its business covers piping material supply, processing, warehousing and international distribution, and it is a major overseas supplier of Yantai Lubao steel pipe products. The company has long supplied piping materials and project support services to major international EPC contractors and distributors. Its products are widely used in energy projects for CNPC, Sinopec, Shell, TotalEnergies and national oil companies in Kuwait, Azerbaijan, Abu Dhabi, Qatar, Algeria and Saudi Arabia, building extensive experience in international project supply.
Production Equipment
Production Equipment and Capacity
Yantai Lubao operates a 460 PQF seamless steel pipe production line, supported by heat treatment, oil country tubular goods processing and multiple finishing lines. The main hot-rolling equipment was supplied by SMS Meer of Germany and includes a cone-type piercer, a five-stand three-roll continuous tube mill and a twelve-stand sizing mill, enabling individual pipe tracking and automatic control of key process and dimensional parameters. Online wall-thickness measurement, ultrasonic and magnetic flux leakage inspection, and hydrostatic testing equipment support an integrated production process covering hot rolling, heat treatment, threading, finishing and inspection.
Quality Control
Quality Control and Delivery Capability
Our laboratory is equipped with impact testing machines, tensile testing machines, hardness testers, metallographic analyzers, hydrostatic testing equipment and other inspection instruments. Every order undergoes multiple rigorous inspections before packing and shipment to ensure product quality and documentation meet order requirements. Customized inspection programs and packing plans are available on request. We regularly stock a range of alloy steel pipes, high-grade line pipes, boiler tubes, low-temperature pipes and stainless steel pipes, enabling a fast response to routine purchasing and urgent delivery requirements.
Certificates & Documents
Certificates and Compliance Documentation Support
The company maintains a comprehensive system of international certifications and product qualifications. It has obtained API, ISO, and CE international certifications, as well as RINA, ABS, DNV, BV, LR, and CCS classification society certifications, fully meeting qualification requirements for customers in the oil and gas, chemical, power, shipbuilding, and marine engineering industries. Contact us to confirm all certificates and qualifications
Traceable Documentation Throughout Delivery
Quality Documents
Material certificates, inspection reports, dimensional records, and all test documents required by the project
Export documents
Packing lists, commercial invoices, certificates of origin, bill of lading documentation, packing records, shipping mark records, and other export documents
Third-party inspection
Support for witness testing and pre-shipment inspection by SGS, BV, TÜV, and other third-party inspection agencies
Service Network
Sales Team and Service Network
Our sales and pipeline engineering teams have extensive experience serving the oil and gas, chemical, power, and water treatment industries. Based on actual service conditions and project standards, they provide end-to-end service covering product selection, technical confirmation, quotation, and delivery. The team follows production, inspection, documentation, and after-sales activities throughout the order, ensuring clear responses and smooth coordination at every stage. The company has established overseas offices in Hong Kong, China; Bangkok, Thailand; and Kuala Lumpur, Malaysia, continuously strengthening its regional service network and improving cross-time-zone communication and project coordination. We provide faster, more project-focused localized support tailored to each market's language, standards, and procurement practices.
RFQ
Get a Fast Steel Pipe Quote
Send the application, standard, grade, outside diameter, wall thickness, length, quantity and destination port, or share your project material list. Include any coating, processing or special inspection requirements so we can confirm pricing, lead time, material documentation and delivery arrangements.
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- SALES DIRECTOR
- [email protected]
- 85291470412
- TELEPHONE
- 0086 - 535 - 6281117
