Division 02 · Oilfield Tubulars & Valves
Built to API, ASME, DIN / EN, JIS & GOST.
Seamless steel pipes from 1/8″ to 56″ outside diameter and wall thickness up to 5.91″ (150 mm), backed by Mill Test Certificates, heat-number traceability and complete hazardous-area certificate packages.
PrincipalDexin Steel Tube · Zhenshi Holding Group
Capabilities
Engineered portfolio.
Specifications drawn from manufacturer datasheets and mill certifications — every offer fit-for-purpose, every shipment traceable.
Seamless Steel Pipes
- Line pipe — API 5L Gr. B, X42 to X80
- OCTG — casing & tubing — API 5CT J55 / K55 / N80 / L80 / P110
- Boiler & heat-exchanger — ASTM A106, A179, A335
- Structural & mechanical tubing
- Prefabricated thermal-insulated pipe systems
Valves & Fittings
- Gate, globe, check, ball, butterfly, plug — API 6D / 600 / 602
- Control & choke valves for upstream service
- Flanges — A105, F11, F22, F316, F347 (ASME B16.5 / B16.47)
- Butt-weld, socket-weld, threaded fittings — ASME B16.9 / B16.11
- Strainers, traps and pipeline accessories
Specialty Steel (Zhenshi)
- Stainless coils, sheets, plates — austenitic, ferritic, duplex
- Nickel-iron alloys for high-temperature service
- Fiberglass fabrics for wind-energy applications
- Mineral resources and new composite materials
Standards & Compliance
Certified to the standards your tender demands.
API 5L / 5CT / 6D
ASME B16.5 / B16.9 / B16.11
DIN / EN, JIS, GOST
Mill Test Certificates · heat-number traceability
Next step
Submit tubular RFQ.
Send your scope, quantity and destination — our commercial team replies within one business day.