Shandong Zhongzheng Steel pipe Manufacturing CO.,LTD is a large seamless steel pipe manufacturing enterprise . It was founded in 2000 with 600 thousand ton of designed and manufactured and 25 hundred million sales income per year .



Now we introduce our product as follows.



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

(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



Our production has passed the certificate of ISO9001, ISO14001 and we get three API international product quality authentication, to get more information pls visit our website: http://www.zzpipe.cn. If the product we offered is different from what you require ,kindly inform us in details, we will be pleased to re-offer you as your requirement ASAP.



Looking forward to getting your early reply

Your sincerely

Yanling


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