-
Industries OverviewThe company's products are primarily used in industrial equipment sectors such as nuclear power, petroleum, petrochemicals, chemical engineering, power generation, automotive manufacturing, shipbuilding, fertilizer production, pharmaceuticals, papermaking, sugar refining, and machinery manufacturing. -
Products & SolutionsOur Products: Ferrous metal ore raw materials (nickel ore, ferronickel, ferrochrome, ferromanganese, ferrosilicon, etc.), seamless pipes, welded pipes, medium-thick plates, plate coils, bars, wire rods, wire coils, pipe fittings, flanges, castings, etc. -
CommunityThe company has established an excellent reputation within the industry through its strong credibility, comprehensive services, and ample resources. -
Process VisualizationThe company's products are primarily used in industrial equipment sectors such as nuclear power, petroleum, petrochemicals, chemical engineering, power generation, automotive, shipbuilding, fertilizer production, pharmaceuticals, papermaking, sugar refining, and machinery manufacturing. -
About UsTsisco Industrial Ltd. was established in 2010. Originating from the Tsingshan ecosystem’s Shanghai platform, the company now operates independently and focuses on global supply-chain integration, distribution, and import/export of steel and alloy materials. We achieved ISO 9001 certification from TÜV Rheinland in 2012, and ISO 9001, ISO 14001 and ISO 45001 certifications from LRQA in 2022. These accreditations underpin continuous improvement and stable performance in quality, environment, and occupational health & safety.
-
Products & Solutions
Industrial Pipes
Industrial Pipes
Industrial Pipes( Steel & Metallic )｜Global Sourcing for Engineering & Procurement
1. Scope and Supply Forms
Integrated portfolio covering seamless pipes, welded pipes, stainless and nickel-alloy pipes and tubes, serving full-cycle EPC and procurement needs.
• Carbon and low-alloy: seamless hot-finished and cold-finished, ERW∕HFW, LSAW, SSAW∕HSAW, EFW for pressure and structural use.
• Stainless and duplex: seamless and welded for process, seawater, high-chloride, sanitary and UPW services.
• Boiler∕heat-exchanger tubes: “tubes” for boilers, superheaters and exchangers, distinct from “pipes” used for process and pipelines.
• Line pipe: onshore∕offshore transmission, stations and skids.
• Dual dimensional universes: NPS∕Schedule and DN∕EN ISO 1127, with bevel, plain end or threaded ends.
2. Standards Matrix & Applicability
General & size systems
• General requirements: ASTM A530∕ASME SA530 for carbon and low-alloy pipes; ASTM A999∕ASME SA999 for alloy and stainless pipes; ASTM A1016∕ASME SA1016 for boiler∕HX tubes.
• Size series: ASME B36.10M (carbon∕alloy pipes), ASME B36.19M (stainless pipes), EN ISO 1127 (stainless tubes), EN 10220 and ISO 4200 (general dimensions). Mill test certificates per EN 10204.
Carbon & low-alloy (mainly Pipe)
• General∕structural: ASTM A53, EN 10255, GB∕T 8163 (fluid), GB∕T 8162 (structural).
• High-temperature: ASTM A106, ASTM A335 (P-series), GB∕T 5310, GB∕T 9948.
• Low-temperature: ASTM A333.
• Line pipe: API 5L and ISO 3183 (PSL1∕PSL2), GB∕T 9711.
• EFW and SAW alloy pipes: ASTM A671∕A672 (EFW CS∕LAS), ASTM A691 (EFW Cr-Mo).
• Piling & structural hollow sections: ASTM A252, EN 10219, EN 10210, ASTM A500.
Stainless & duplex (Pipe and Tube)
• Process∕pipeline pipes: ASTM A312 (austenitic), ASTM A358 (EFW austenitic large OD), ASTM A790 (duplex pipe), ASTM A928 (EFW duplex). EN 10216-5, EN 10217-7, GB∕T 14976, GB∕T 12771, GB∕T 13296 as regional counterparts.
• Boiler∕HX∕instrument tubes: ASTM A213 (ferritic & austenitic seamless tubes), ASTM A269 (austenitic tubes for general∕instrumentation), ASTM A789 (duplex tubes), ASTM A270 (sanitary tubes).
• Nickel alloys: ASTM B163∕B167∕B444∕B423∕B622∕B619 (600, 625, 800H, 825, C-22, C-276, etc.).
3. Grades Coverage (examples)
• Carbon & low-alloy: A53, A106 Gr.B∕C, A333 Gr.6, A335 P11∕P22∕P91∕P92, API 5L B∕X42–X80, GB Q345∕20.
• Austenitic SS: TP304∕304L, 316∕316L, 321, 347H, 310S, 904L, 6Mo.
• Duplex∕super duplex: S32205∕S31803, S32750∕S32760.
• Ferritic∕martensitic SS: 409L, 430, 444, 410, 420, 431.
• Nickel alloys: 600, 625, 800H∕HT, 825, C-22, C-276, 625LCF.
4. Dimensions & Tolerances
• Pressure piping: ASME B36.10M and B36.19M, NPS 1∕8 to 48, Schedules Sch 5S to XXS.
• EN∕ISO series: EN ISO 1127 and EN 10220, tolerances D1–D3 and T1–T3. Chinese GB per each product standard.
• Tubes for HX & instrumentation: OD 6–114.3 mm, WT 0.5–6 mm, 6 m or 12 m; sanitary per ASTM A270 and ASME BPE.
• Line pipe & large OD: API 5L∕GB∕T 9711 up to very large DN; manufacturing UOE∕JCOE∕HSAW∕LSAW.
• General clauses per A530∕A999∕A1016 for straightness, ovality, end squareness, mass tolerance, recorded in PO.
5. Quick Mapping — Service → Material → Standard → Size
• Utilities: A53 or GB∕T 8163; sizes per B36.10M or EN 10220.
• High-T steam: A106∕A335 or GB∕T 5310; tube bundles per A213; sizes per B36.10M.
• Cryogenic: A333 and 304L∕316L per B31.3∕B31.12 with CVN and He-leak as required.
• Refining & chemicals: A312 austenitic and A790 duplex; strong oxidizers∕mixed acids consider B444∕B622; instrumentation per A269; sizes per B36.19M or EN ISO 1127.
• Seawater∕chlorides: 2205∕2507 piping; for high-flow mains consider lined CS API 5L with CRA branches.
• Sanitary∕UPW: A270∕ASME BPE 316L with EP/BA and defined Ra; clamp and flange per BPE.
• Transmission & stations: API 5L∕ISO 3183 or GB∕T 9711 PSL2; skid branches A106∕A312.
• Boilers∕HX: A213 tubes (austenitic & ferritic), duplex tubes per A789, headers per A312∕A358.
6. Manufacturing & QA Highlights
• Routes: seamless piercing–rolling–HT–straightening–NDT–cut; welded plate forming–welding–HT–hydro–NDT–coating.
• Testing: chemistry, mechanicals, metallography; IGC per ASTM A262, duplex phase and G48 pitting, NDT per standard & ITP.
• Documentation: EN 10204 3.1∕3.2; lock standard editions in PO; pressure/tightness per design.
• Compliance: NSF∕ANSI 61∕372 for potable∕reuse, ASME BPE & FDA∕USP for sanitary.
• Coatings: 3LPE∕3LPP∕FBE for buried/offshore; AWWA C210∕C213 for waterworks; internal linings as specified.
7. RFQ Essentials
• Code set and edition, size and Schedule or WT, length and ends.
• Grade: A106 Gr.B, A335 P22, A312 TP316L, A790 S32205, API 5L PSL2 X65, A213 TP304H, A269 TP316L, A789 S32750.
• Route & exams: seamless or welded, NDT coverage, hydro method, 3.1∕3.2 MTC, TPI scope.
• Specials: NACE compliance, CVN, sanitary Ra, coatings, cleanliness & He-leak, duplex ferrite window.
8. Spec Line Examples
• Pipe, ASTM A53 Gr.B, NPS 6, Sch 40, BE, ASME B36.10M, Hydro per A530, MTC 3.1.
• Pipe, ASTM A335 P22, NPS 10, Sch 80, BE, NDE per A335∕A530, HT N+T, MTC 3.1.
• Pipe, ASTM A312 TP316L, NPS 4, Sch 10S, BE, B36.19M, Pickle & passivate per A380∕A967, MTC 3.1.
• Pipe, ASTM A790 S32205, NPS 8, Sch 40S, BE, Ferrite 35–65% reported, G48-A pass, MTC 3.1.
• Tube, ASTM A269 TP316L, 12.7 mm × 1.24 mm, 6 m, A269 tolerances, cleanliness statement attached.
• Tube, ASTM A213 TP304H, 25.4 mm × 3.05 mm, 12 m, A1016 general requirements, hydro or ET per drawing.
• Pipe, API 5L PSL2 X65, OD 762 mm × WT 19.1 mm, LSAW, CVN per spec, 3LPE coating, MTC 3.2.
9. Risk Notes
• Do not swap “tubes” (A213∕A269∕A789) for “pipes” (A312∕API 5L).
• Always pair grade with its standard and size series.
• Freeze standard editions to lock P–T ratings.
• Declare NACE for H₂S wet service with hardness limits.
• Avoid 304∕316 in seawater; use duplex or nickel alloys.
• Sanitary requires ASME BPE and defined Ra.
• Cross-system joints require fit and strength checks.
Industrial Pipes( Steel & Metallic )｜Technical Specifications
1) Scope & Definitions
Metallic pipes—SMLS, ERW/HFI, EFW, LSAW/UOE/JCOE, SSAW, TIG/Laser welded—cover carbon/low-alloy, Cr-Mo, stainless (austenitic/ferritic/duplex/SDSS), nickel & nickel-base alloys, Cu-Ni and titanium. Applications include process/pressure piping, boiler/heat-exchanger, cryogenic, line pipe & OCTG, structural/mechanical, sanitary/UPW, waterworks & hydropower, nuclear/hydrogen/semiconductor.
2) Standards Landscape (by application family)
Framework & dimensions
• ASME B31.1/31.3/31.12, ASME BPVC; PED/EN; China: GB/T 20801 (project-defined).
• ASME B36.10M/B36.19M, EN ISO 1127, EN 10220 for dimensional series.
Process & pressure piping
• ASTM/ASME: A106, A53, A312, A335, A333, A790/A928.
• EN/DIN: EN 10216 (SMLS pressure), EN 10217 (welded pressure).
• China: GB/T 8163, GB/T 3091, GB/T 12771, GB/T 9948, GB/T 6479.
Boiler & heat-exchanger tubes
• ASTM/ASME: A213, A269, A249, A268, A556, A688; Ni/Ti/Cu-Ni: B111, B161, B163, B165, B167, B407, B423, B444, B338, etc.
• China: GB 3087, GB 5310, GB/T 13296-2023, GB/T 24593, GB 5312.
Line pipe & OCTG
• API 5L / ISO 3183, GB/T 9711 (PSL1/2); API 5CT (OCTG). Offshore per DNV-ST-F101 (project).
Structural & mechanical
• ASTM A500/A501 (HSS), ASTM A519; EN 10210/10219/10297/10305; GB/T 8162/3639.
Waterworks & hydropower
• AWWA C200/C205/C210/C213/C222; EN 10224; in China may combine GB/T 3091/9711 with added pressure/acceptance clauses.
Sanitary & UPW
• ASTM A270 / ASME BPE; EN 10357 (ex-DIN 11850).
Nuclear/Hydrogen
• RCC-M, ASME III (NB/NC/ND); HAF604; ASME B31.12 (H₂).
General requirements (to cite in contracts)
• ASTM A999/A530/A1016 (steel/stainless), ASTM B829 (nickel alloys).
3) Manufacturing Routes
• SMLS: pierce–hot roll/extrude → cold finish → HT (N, N+T, Q+T, solution, BA/EP).
• ERW/HFI: strip forming + HF weld (small/medium OD, thin/medium WT).
• LSAW/UOE/JCOE / SSAW: large-diameter/long distance/hydropower penstocks (project-specific).
• Stainless/Ni welded: TIG/Plasma/Laser/EFW; for A249/A269 class, weld seam cold work + solution anneal to restore corrosion resistance.
• Clad/Lined: API 5LD CRA lined/clad; cement mortar (AWWA C205), epoxy/FBE/3LPE/3LPP.
• HT windows: CSEF (P91/P92) strict N+T/PWHT & hardness; duplex quick quench to avoid σ/χ.
4) Size & Capability (typical)
• SMLS: OD 6–720 mm, WT 1–100 mm, L ≤ 18 m.
• ERW/HFI: OD 21.3–610 mm, WT 2–22 mm.
• LSAW/UOE/JCOE: OD 406–2540 mm, WT 6–60 mm, L 6–12 m (up to 18 m).
• SSAW: OD 219–2540 mm, WT 5–25.4 mm.
• Ends: PE/BE/NPT/SW; B16.25 bevel; optional AWWA C606 grooved ends.
5) Materials (examples & UNS)
• CS/LTCS/Cr-Mo: A106 Gr.B/C, A53 Gr.B, A333 (Gr.1/3/6/8/9), A335 (P1/P5/P9/P11/P22/P91/P92); EN P235GH/P265GH, 16Mo3, 13CrMo4-5, 10CrMo9-10.
• Stainless: 304/304L (S30400/S30403), 316/316L (S31600/S31603), 321 (S32100), 347H (S34709), 904L (N08904), 254SMo (S31254), 2205 (S32205)/2507 (S32750); A268 ferritic series.
• Nickel alloys: 400 (N04400), 600 (N06600)/625 (N06625)/690 (N06690), 800H (N08810)/825 (N08825), C-276 (N10276)/C-22 (N06022), 20 (N08020), Ni200/201 (N02200/N02201).
• Cu-Ni/Ti: 90/10, 70/30; Ti Gr.1/2/7/12.
6) Service → Material/Standard Mapping
• General ambient services: A106/A53, EN 10216-1, GB/T 8163.
• High-T steam/reheat (≥450 °C): A335 P11/P22/P91/P92; EN 10CrMo9-10; strict N+T/PWHT/hardness.
• Cryogenic (-196 to -20 °C): A333 (Gr.6/8/9), 304L/9%Ni; consider He-leak as needed.
• Sour (H₂S/CO₂): per MR0175/ISO 15156 (upstream) / MR0103/ISO 17945 (refining/chemical); 2205/2507, 625/825, C-276; hardness/SSC/HIC control.
• Seawater/high chlorides: 2205/2507, 6Mo, 625 or Cu-Ni/Ti; waterworks with AWWA/EN 10224/EN 10312 + NSF 61/372.
• Sanitary: ASTM A270/ASME BPE (EP/BA, Ra limits, low-S 316L).
• Hydropower/Waterworks: AWWA C200 + C205/C210/C213/C222; or GB/T 9711/EN 10224 (contract add-ons).
• Nuclear/Hydrogen/UHP: RCC-M/ASME III/B31.12 + cleanliness & He-leak.
7) QA/QC
• General: chemistry (low S/P) + mechanical (YS/UTS/El; CVN/hardness where required).
• General clauses: A999/A530/A1016/B829 in the PO.
• NDE: UT E213, ECT E426/E309, RT, MT/PT; line pipe PSL2 CVN/DWTT (API 5L/GB/T 9711).
• Pressure/tightness: hydro or equivalent eddy; He-leak for high-consequence/H₂/nuclear/UHP.
• Corrosion specials: ASTM A262 (IGC), A923 (duplex) + G48 (pitting/crevice), NACE TM0284/HIC & TM0177/SSC for sour.
• Sanitary: Ra/EP report, BPE dossier; FDA/USP-VI elastomers.
• Docs: EN 10204 3.1/3.2, HT curves, NDE/pressure, PMI; PED/CE; TPI (ABS/LR/DNV/BV/TÜV/SGS).
8) Supply & Packaging
Fixed/SRL/DRL lengths; large OD in sections. End caps + VCI + crating; dried and sealed bores. Full traceability heat→lot→MTC.
9) RFQ/PO Template
1. Use & code family (A312/A335/A213; API 5L/GB/T 9711; A270/BPE; AWWA C200…).
2. Grade (A335 P22 / A312 TP316L / A790 S32205 / B444 N06625 / GB/T 13296 1Cr18Ni9).
3. Size: OD × WT × L; Schedule or EN ISO 1127 D/T.
4. Ends/Bevel: PE/BE/NPT/SW; B16.25 geometry.
5. HT/Surface: N/Q+T/solution/BA/EP; pickling passivation (A380/A967); coating (FBE/3LPE/3LPP/paint).
6. Exams: NDE coverage; hydro; HIC/SSC, A262/A923/G48, He-leak when required.
7. Docs/Witness: EN 10204 3.1/3.2; TPI plan; NACE statement; PED/CE.
10) Risk Checklist
AWWA vs ASME/EN rating mismatch; 304/316L in high-Cl⁻/oxidizers; P91/P92 HT/hardness out of window; sour without MR0175/MR0103; cryogenic/H₂/nuclear without He-leak; sanitary without BPE/EP/Ra/gaskets; PSL2 without CVN/DWTT; edition not locked; missing ends/bevel; coating/liner compatibility unaddressed; lack of PMI at HCA points.
Tags:
