Malleable Casting Pipe Galvanized Back Nut

Material: Malleable iron
Items supplys: Elbow, Tee, Bend, Cross, Crossover, Union, Cap, Plug, sockets, Bushing, Nut, Plug, Clamp, etc.
Head code: Hexagon
Connection: Male
Technic: Casting and malleable
Surface finishing: Hot dip galvanizing/black
Type: Black, hot dipped- and electrical galvanized
Kind: Beaded, banded and plain
Mechanical properties:
Tensile strength: ≥ 33kg/mm
Elongation: ≥ 8%
Hardness: ≤ HB163
Hydraulic test: Test
Pressure: 25kg/cm (=335lbs/inch)
Working pressure: 16kg/cm (=227lbs/in)
Concentric reducing socket, beaded/plain/banded, with ribs
American standard:
Materials: ANSI/ASME A197-79
Dimension: ANSI/ASME B16.3-85
Threads: ANSI/ASME B1.20.1
DIN standard:
Material: DIN1692
Dimension: EN 10242 DIN2950