Specifications

st52.3 hollow structural pipe
1)OD:35--370mm
2)WT:2--80mm
3)API 5L and API 5CT certificate
4) ISO certificate

st52.3 st52.3 hollow structural

 st52.3 pipe:34mm-508mm
Certificates: ISO9001,API,CCC,CE,MTC
can produce according your other reasonable requires

Product One:

(1).Product Name : Seamless Carbon Steel Pipe
(2). Brand : Zhongzheng Steel Pipe ( By ourself )
(3).Specification:
OD 21.3mm - 355.6mm ( 1/2'' - 14'')
(4) Standard ;
ASTM A106 GR B , ASTM A53 GR B
SAE1020 SAE1045
JIS G4051 S20C JIS G4051 S45C
JIS G3454 STPG370 JIS 3454 STPG42
DIN ST 45-8 DIN ST 52
GOST 8731-74, 8732-78

(5) Tolerate:
OD +1% / -1%
Thickness +12.5% / -10%
lengh 13mm
Product Two:
(1).Product Name : API 5L X42 X52 X60 X70 and 5CT J55 K55 N80
(2). Brand : Zhongzheng Steel Pipe ( OEM BLANT)
(3).Specification:
OD 60.3mm - 558.8mm ( 2'' - 22'' )
The max lengh 13M
(4) Standard
API 5L X42 X52 X60 X70& 5CT J55 K55 N80
(5) Technics : hot rolled .
(6) Packing : Plastic Caps and mark on the pipe