Product Details: Size 1/2 inch, 3/4 inch, 1 inch, 2 inch Range : Socket Weld : 1/2 to 2 " upto 6000# 3" - 3000# Screwed : 1/2 to 2 " upto 6000# 3" - 3000# List of Specifications : 1. ANSI/ASME B16.11 Forged- Fittings, Socket Welding & Threading. 2. BS 3799 Steel Pipe fittings, Screwed & Socket Welding for the petroleum industry. 3. ANSI B1.20.1 Pipe Threads, General Purpose 4. ASTM A105, A182, A234, A350, A262, A153.