2026 Chinese New Year Holiday Notice – SHUNFU METAL
SHUNFU METAL will be observing the Spring Festival holiday from Feb 12 to Feb 24, 2026. Inquiries are welcome, but quotation processing may be delayed. Normal operations resume Feb 25.
OCTG Thread Specifications: Complete API Threading Guide 2025
OCTG thread specifications explained with detailed API threading dimensions for tubing and casing. Learn about round, buttress, and premium connections.
API 5L Line Pipe: Steel Grades, PSL1 vs PSL2 & Specs Explained
Complete API 5L line pipe guide covering steel grades X42-X80, PSL1 vs PSL2 differences, chemical composition, and mechanical properties for oil & gas pipelines
Drill Pipe Specifications: Complete Technical Guide for Engineers
Comprehensive guide to drill pipe specifications covering grades, dimensions, upset types, and mechanical properties per API 5D standards.
Oil Well Casing: Types, Specifications, and Technical Requirements According to API 5CT
Casing represents the largest consumption category within oil country tubular goods (OCTG), accounting for over 70% of all tubular products used in oil and gas well construction. Unlike drill pipe or production tubing, casing becomes permanently
API 5CT Tubing: Types, Specifications, Steel Grades, and Technical Requirements
API 5CT Tubing: Types, Specifications, Steel Grades, and Technical RequirementsTubing serves as the primary conduit for hydrocarbon extraction in oil and gas wells. Unlike casing, which provides structural integrity to the wellbore, tubing operates as a