Malleable iron pipe fitting Introduction 1. American standard 1) Material: ANSI/ASTM A-197 ASTM A47 2)Dimensions: ANSI/ASME B16.3, B16.4, B16.39 3)Threads: ANSI B1.20.1 4)Size: 1/8"- 6" 2. British standard 1)Material: ANSI/ASTM A-197 ASTM A47 2)Dimensions: BS EN 10242 BS143&1256 3)Threads: ISO 7/1 4)Size: 1/8"to 6" 3. EN standard 1)Material: ANSI/ASTM A-197 ASTM A47 2)Dimensions: ISO49, DIN2950 3)Threads: ISO 7/1 4)Size: 1/8"to 6" Malleable iron pipe fittings can be divided into three standard: American standard, DIN standard and British standard. The size are from 1/8"inch to 6"inch, widely used in various pipe lines to convey gas, water, oil and so on.

