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oval tubes
Boiler tubes

Heat exchanger tubes

Welded pipes

L, LL, KLM finned tubes (fin tubes)

high frequency welded (serrated) finned tubes (fin tubes)

(serrated) extruded finned tubes

hot dipped galvanized oval (elliptical) finned tubes, rectangular fin tubes

condenser fin flat tubes

H / double H finned tubes (fin tubes)

Studded Pipes

Laser welded finned tubes (fin tubes)

G embedded finned tubes (fin tubes)

inner finned tubes (fin tubes)

longitudinal finned tubes (fin tubes)

seamless finned tubes with two longitudinal opposite fins

casting alloy tubes

Tube finning machine

Aluminum plates, strips,foils

Aluminum welding wire rod

Aluminum tubes, profile

Economizer for Boiler

air-cooled heat exchanger (air cooler)


standard & specification

Pipe fitting

Products descryiption 长半径和短半径弯头,三通,四通,异径管,管帽,翻边,弯管。
LR & SR Elbow,Tee,Cross,Reducer,Cap,Stub end,Bend

Products range DN15-DN3000 无缝和焊接
DN15-DN3000 Seamless and welded

Pressure rate Sch5s-Sch160

Manufacturing standard GB/T12459,GB/T13401,SH3408/3409,HG/T21635/21631,SY/T0510,ASME B16.9/B16.49,JIS2312/2313,

Stainless steel 0Cr18Ni9,00Cr19Ni10,0Cr25Ni20,0Cr18Ni10Ti,00Cr17Ni14Mo2,304/304L,316/316L,321,321H,317L,904L,

Duplex & Super Duplex ASTM A815 UNS31803(2205/00Cr22Ni5Mo3)、UNS32750(2507、00Cr25Ni7Mo4N);UNS32760

Carbon steel Q235B,20#,16Mn,16MnR,A234 WPB,WPL3/L6/L9,WPHY42/46/52/56/60/65/65/70

Alloy steel 12CrMo,12CrMoV,15CrMo910,WP1,WP5,WP9,WP11,WP22,WP91

Other 铜镍合金,钛材,铝、蒙乃尔,哈氏合金,镍基合金等其他特殊材料
Copper-NicKLMe Alloy,Titanium,Aluminum,Monel,lnconel,Hastelloy and other special material

Standard: GB/T, JB, SH, HG, ANSI ,JIS, DIN
pipes fittings
Material: 234-WPB, A420-WPL6, A234-WP12, A234-WP11, A234-WP5, A403-WP304, A403-WP304L, A403-WP316, A403-WP316L,
SIZE: 1/2"-48"、DN15-DN1200
Pressure: Sch5-Sch160、XXS
Standards:ISO, ANSI, JIS, DIN, GB T12459, GB/T13401, ASME B16.9, SH3408, SH3409,HG/T21635, HG/T21631, SY/T0501
Typical applications: Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc. 
ASME B16.5 Standard pipes Flanges up to and including 24 inches nominal
ASME B16.47 Standard pipes Flanges above 24 inches

The gasket type and bolt type are generally specified by the standard(s); however, sometimes the standards refer to the ASME Boiler and Pressure Vessel Code (B&PVC) for details (see ASME Code Section VIII Division 1 - Appendix 2). These flanges are recognized by ASME pipes Codes such as ASME B31.1 Power, and ASME B31.3 Process Piping.
Materials for flanges are usually under ASMEdesignation: SA-105 (Specification for Carbon Steel Forgings for Piping Applications) , SA-266 (Specification for Carbon Steel Forgings for Pressure Vessel Components) or SA-182 (Specification for Forged or Rolled Alloy-Steel pipes Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service).
1. Type: welding neck flange, lap joint flange, thread flange, slip on flange, blind flange
2. Material: carbon steel, stainless steel and alloy steel
3.Standard: ANSI, JIS, BS, DIN,UNI, EN, GB, AWWA, API, MSS, LWN, Orifice, 8-Figure flange
4. Size: OD up to 5000mm
5. Pressure: 75bls to 2500bls
6. Marking: Require
7. Painting: yellow, black . oil and Zn
8. Inspection: in-house and the third party
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