Casing Head – Detailed Specifications

Flange Sizes: 7 1/16″ and up (common: 9″, 11″, 13-5/8″, 16-3/4″, 20-3/4″, 21-1/4″)
Casing Sizes: 7″ to 20″
Pressure Rating: 2,000–20,000 psi
Standards: API Spec 6A, NACE MR0175
Side Outlets: Line pipe, Studded
Bottom Connections: CSG, BTC, SOW
Material: AISI 4130 Forged Alloy Steel (60K/75K) Product Specification: AA–FF, LU, PSL1-PSL3, PR1-PR2
Application: Wellhead assemblies and Christmas trees