Pipe nipples
About
pipe nipple is a length of straight pipe with male threads on both ends. It is one of the most popular category of pipe fittings. It is a connector or a coupling threaded on both ends. Pipe nipples are used to allow plumbing to be connected to a water heater or other plumbing. They are used to fit straight end hose or pipe. A combination of pipe nipples are recommended for low-pressure discharge and suction service for various compatible liquids and not for compressible products like air, nitrogen or steam.
Nipple series
Pattern
Plain， Bevel， Thread , hexagon niplle,thread nipple,swage nipple, socket nipple,
size
1/8”-4”
Pressure class
3000/6000/9000LBS
Material
Carbon
SA234 WPB, SA234 WPC,SA42 WPL6, SA42 WPL3, WP1. MSS-SP75
WPHY,WPHY 46,WPHY 52,WPHY 56,WPHY 60,WPHY 65, WPHY 70
DIN 1629 St37, RST37.2 St52
Stainless
ASTM/ASME SA403 304,304L ,316, 316L, WP304L, 3 WP316 WP347 (H) ,WP317 (L),WP321.
DIN 1.4301, 1.4306, 1.4401, 1.4571
JIS SUS304,SUS304, SUS304L, SUS316, SUS316
Alloy
ASTM/ASME SA234 WP12, WP11,WP22, WP5, WP9, WP91.
ASTM B361 GR.3003-6061,
ASTM B366 UNS N04400,N08800, N08825 N1001-N10276-N10665, WPT2-WPT12.
ASTM 182 F1, F5, F6, F7, F9, F11, F12, F22, F51.
16MnR Cr5Mo 12Cr1MoV 10CrMo910 15CrMo 12Cr2Mo1, St45.8
Others
Copper, Aluminum,Brass,Titanium, Nickel,Nichrome, Al.Bronze Phosphorous Bronze
Check more details:
http://www.steelfittings-flange.com/html_products/hex-nipple-98.html