About
Hazel Wang is a steel pipe specialist at Zhencheng Steel Co., Ltd. (ZC Steel Pipe), a manufacturer and exporter of API-certified OCTG and line pipe based in China. She works directly with EPC procurement teams, drilling contractors, and operators across Africa, the Middle East, South America, and Southeast Asia.
Her day-to-day work involves grade selection against API 5CT and API 5L specifications, review of material test certificates (MTCs), connection selection for sour service and HP/HT applications, and export documentation for projects in markets including Nigeria, Angola, Iraq, Brazil, Indonesia, and Colombia.
The technical articles on this site draw on her work with customers specifying casing strings, production tubing, pipeline systems, and coated line pipe — and are cross-checked against API 5CT, API 5L, NACE MR0175 / ISO 15156, and ASME B31.8 source documents.
Areas of Expertise
- ✓ API 5CT OCTG grade selection (J55, N80, L80, C90, T95, P110, Q125)
- ✓ Sour service qualification — NACE MR0175 / ISO 15156
- ✓ CRA and 13Cr tubing for CO₂-corrosive gas wells
- ✓ API 5L line pipe — PSL1 vs PSL2, X52 through X80
- ✓ Pipeline coatings — FBE, 3LPE, 3LPP, concrete weight
- ✓ Premium connection selection for gas-tight and HP/HT service
- ✓ Material test certificate (MTC) review and documentation
- ✓ Export logistics for Africa, Middle East, South America
About Zhencheng Steel Co., Ltd. (ZC Steel Pipe)
Established in 2015, Zhencheng Steel Co., Ltd. manufactures and exports API-certified OCTG and line pipe to the global oil and gas industry. The company holds API 5CT and API 5L monogram licences, ISO 9001 certification, and works with SGS and Bureau Veritas for third-party inspection on project orders.
Contact
For project enquiries, grade selection questions, or supply requests:
Supply Enquiry — ZC Steel Pipe
Tell us your specification — grade, size, quantity and delivery port — and we will respond within one business day.
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