Chemical pipe diameter pipe is one of two different diameters for the connection. Diameter pipe forming process is usually used to suppress necking, necking Expanding suppression or repression plus expander, for some specifications of the different diameter pipe can be applied stamping. Diameter pipe is divided into concentric reducers and eccentric reducers, we gave birth to the diameter pipe of different materials such as carbon steel reducer pipe, alloy pipe reducer, stainless steel diameter pipe, low temperature steel reducer, high-performance steel-diameter pipe, can meet your different choices.

Standard
ASME B16.9-2007
ASME B16.25-2007
ASME B16.5-2007
EN10253-1-1999 EN10253-2-2007 EN10253-3-2008 EN10253-4-2008
DIN2605-1-1992 DIN2605-2-1995
JIS B2311-2009 JIS B2312-2009 JIS B2313-2009
GB/T12459-2005 GB/T13401-2005 GB/T10752-2005
SH/T3408-1996 SH/T3409-1996
SY/T0609-2006 SY/T0518-2002 SY/T0510-1998
DL/T695-1999 GD2000 GD87-1101
HG/T21635-1987 HG/T21631-1990

Size
Seamless Reducer: 1/2"~24"DN15~DN600
Seam-diameter pipe: 4"~78" DN150~DN1900
Wall thickness
Sch10, sch20, sch30, std, sch40, sch60, xs, sch80, sch100,
Sch120, sch140, sch160, xxs, sch5s, sch20s, sch40s, sch80s
Maximum wall thickness: 150mm
Material
Carbon Steel: ASTM/ASME A234 WPB-WPC
Alloy: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP 911
Stainless steel: ASTM/ASME A403 WP 304-304L-304H-304LN-304N
ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti
ASTM/ASME A403 WP 321-321H ASTM/ASME A403 WP 347-347H
Low temperature steel: ASTM/ASME A402 WPL 3-WPL 6
High Performance Steel: ASTM/ASME A860 WPHY 42-46-52-60-65-70

Production process:
By bending, squeezing, pushing the system, molding, machining, processing methods such as cold or hot forming.

By Industry:
Electricity, oil and gas, petrochemical, chemical, marine, heating, paper making, metallurgy and so on.