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HOME ≡ PRODUCTS ≡ Welded Pipe
Welded Pipe

We can provide various precision welded pipes with an outer diameter of 20-273mm, a wall thickness of 1.0-10mm, and a maximum steel grade of 980MPa or above for ERW high-frequency welded pipes, with an annual production capacity of over 200000 tons.


EFW and JCOE, UOE, SSAW, LSAW pipe products are widely used in water engineering, petrochemical industry, chemical industry, power industry, agricultural irrigation, urban construction, water supply, and drainage. Used for gas transportation: gas, steam, liquefied petroleum gas, pile driving pipes, bridges, docks, roads, building structures, etc

Line Pipe


Name


StandardsSizeGradeUser
Line pipe


API SPEC 5L, ISO3183


O.D 21.3mm-O.D 1016.2mm

X42,X46,X52,X60

X65,X70,X80,X100 

PSL-1,PSL-2

,Grade B

GR.BL245,L290

L320,L360

L415,L450,

Oil & Gas Line Pipe


ASTM/ASME A/SA106


O.D 10.3mm-O.D 1219mm

Grade B

Grade C

Line Pipe
JIS G345450A-450A

STPG370

Line Pipe 
JIS G3455STS370/STS410
JIS G3456
STPT370/STPT410/STPT480


ASTM/ASME A/SA53


O.D 21.3mm-O.D 1016.2mmGrade BLine Pipe


GB/T9711.1

GB/T9711.2

GB/T9711.3


O.D 21.3mm-O.D 3250mmISO3183OIL & GAS PIPE LINE


IPS-M-PI-190(IRAN )


O.D 21.3mm-O.D 609.6mmIRAN NIOC STANDARDSNIOC


SAMSS01-035


O.D60.3mm-O.D 609.6mmHIC TEST , SSC TESTARAMCO
Seamless steel pipes for low-temperature heat exchanger pipelines


Name


StandardsSizeGradeUser
Low-temperature heat exchanger pipelines


ASTM A333/ASME SA333


O.D 21.3mm-O.D 711.2mm


Gr.1  (-45℃)

Gr.3 (-100℃)

Gr.4  (-100℃)

Gr.6  (-45℃)

Gr.7  (-75℃)

Gr.8  (-195℃)

Gr.10 (-60℃)


TGGXS-ZZB058-15

TGGXS-ZZB063-15

TGGXS-ZZB022-16

TGGXS-ZZB005-17


GB/T18984


O.D 21.3mm-O.D 711.2mm

16MnDG、10MnDG、09DG

、09Mn2VDG、06Ni3MoDG


JIS G3460O.D 21.3mm-O.D 711.2mm


STPL380

STPL450

STPL690



ENO.D 21.3mm-O.D 711.2mm

DINO.D 21.3mm-O.D 711.2mm

Steel pipes for mechanical structures


Name


StandardsSizeGradeUser

Steel pipes for 

mechanical structures


GB/T8162


O.D 21.3mm-O.D 711.2mm

GB/T17395O.D 83mm-O.D 711.2mm20Mn2、LZ20Mn2 


TGGXS-ZZB016-16

TGGXS-ZZB046-13



JIS G3444


O.D 21.3mm-O.D 711.2mm

JIS G3445O.D 21.3mm-O.D 711.2mm

JIS G3441O.D 21.3mm-O.D 711.2mm


SCR420TK,SCM415TK,SCM418TK,SCM420TK,SCM430TK,SCM435TK,CM440TK,STKM11A,B,C-

STKM20



ASTM A519


SRA630O.D 60mm-O.D 406.4mm

S20C、S45C、Q345B

Q345D、Q345E、25Mn

27SMn、SHT55、SRA630




TGGXS-ZZB079-14

TGGXS-ZZB008-15

TGGXS-ZZB020-16

TGGXS-ZZB031-16

TGGXS-ZZB015-17

TGGXS-ZZB079-14

TGGXS-ZZB008-15

TGGXS-ZZB020-16

TGGXS-ZZB031-16

TGGXS-ZZB015-17

TGGXS-ZZB008-15

TGGXS-ZZB062-15

TGGXS-ZZB020-16

TGGXS-ZZB031-16

TGGXS-ZZB060-13

TGGXS-ZZB015-17

TGGXS-ZZB008-15

TGGXS-ZZB031-16


GB/T17396O.D 21.3mm-O.D 711.2mm

Seamless High Pressure Cylinder Pipe


Name


StandardsSizeGradeUser
High Pressure Cylinder Pipe


ASTM A372/ASME SA372


O.D 60mm-O.D 406.4mm


34Mn2V

37Mn

37Mn/1

37Mn/2

30CrMo

34CrMo44

35CrMo

34CrMo4

34CrMo4/1


CNG,LNG,OIL AND GAS



O.D 21.3mm-O.D 711.2mm




O.D 21.3mm-O.D 711.2mm





O.D 21.3mm-O.D 711.2mm




DINO.D 21.3mm-O.D 711.2mm




Nuclear power plants, high-pressure boiler pipelines


Name


StandardsSizeGradeUser
High Pressure Boiler Pipe


ASME SA106


O.D 60.5mm-O.D 406.4mm

SA106



ASTM A179/ASME SA179


O.D 10.5mm-O.D168.3mmA/SA179


ASTM A192/ ASME SA192


O.D 10.5mm-O.D168.3mmA/SA192


ASTM A210/ ASME SA210


O.D 10.5mm-O.D168.3mm A1,C


ASTM A213/ ASME SA213


O.D 10.5mm-O.D168.3mmT/P5, T/P11, T/P12,T/P22, T/P91,20G, 12CrMoVG, 15CrMoG,St.35.8, St.45.8
ASTM A335/ ASME SA335O.D 60.5mm-O.D406.4mm

P1、P2

P5、P9

P11、P12

P22、P23 

P91、P92




EN10216


O.D 60.5mm-O.D406.4mm

HD245Cr/ P235GH/TU42C

P265GH、P280GH、WB36CN1

GB24512.1/EN10216-2/NFA49-213TGGXS-053-2010TGGXS-054-2010
Drill pipe and Oil casing pipe


Name


StandardsSizeGradeUser

Drill Pipe 

and

 Casing Pipe


API 5CT


O.D 60.5mm-O.D 406.4mmJ55、K55、N80、L80、P110


API 5D


O.D 60.5mm-O.D 195mm

26CrMo4s、


TGGXS-84-2006 

TGGXS-083-2007 

TGGXS-027-2009 

TGGXS-021-2010 

TGGXS-051-2010 

TGGXS-ZZB010-10  

TGGXS-93-2006  

TGGXS-ZZB029-10  

TGGXS-ZZB028-10  

TGGXS-128-2012  

TGGXS-ZZB002-17


TGGXS-53-2006   

TGGXS-55-2006   

TGGXS-93-2006  

TGGXS-100-2007

TGGXS-027-2008

TGGXS-049-2009

TGGXS-ZZB010-10

TGGXS-ZZB058-12

TGGXS-ZZB069-13