pipe welds

- Jun 27, 2019-

pipe welds 

(1) the non-crack defects in the weld bead can be repaired directly.If the repair process is different from that of the original weld bead, or if the repair is performed at the original repair location, the agreed repair welding procedure rules must be used.(2) when the crack length is less than 8% of the weld length, it shall be repaired using the approved repair welding procedure.All crackled welds must be removed from the line when the crack length is greater than 8%.(3) the weld shall not be repaired more than twice in the same part.The root can only be repaired once, otherwise the weld should be removed.After repair, test according to the original standard.(4) personnel engaged in nondestructive testing must hold the qualification certificate issued by relevant national departments and suitable for their work.

Product Description
Product Name
SSAW SAWH Spiral steel pipe

Pipe Length




API 5L PSL1 PSL2 x46, x52, x56, x60

Q235, Q345, St37, St37-2, A53, Mn16, etc

water pipe, steel piling, oil and gas pipes, steel pipelines

Surface Treatment
bare, oiled, black painting, galvanized, 3pe coating anti-corrosive, etc

API 5L, ISO9001:2015, ISO14001, OHSAS18001

Payment Terms
T/T, L/C, Western Union, Cash, etc

Company Profile

Cangzhou Steel Pipe Group (CSPG)Co.,Ltd.

No.92 JieFang East Road ,Cangzhou City, Hebei,P.R.China.

With the sense of responsibility, customer-centered, market-oriented, service-oriented, spot supply as the main body, good reputation, excellent business quality, integrity, conscientious work, perception of society and the spirit of Bianjin, we are committed to creating a win-win, easy and convenient large-scale integrated steel procurement for customers Platform.

The company upholds the enterprise tenet of integrity-based and customer-oriented, constantly strengthens internal management and builds an elite team, and will: all for users throughout the whole process of economic management, for this purpose, to provide customers with high-quality products and excellent services.

Cooperative project
                                                                             Equatorial guinea airport
                                                       Dezhou beijing-shanghai high-speed railway passenger station
                                                              Hong Kong-Zhuhai-Macao Bridge   
Production qualification
Q: Who and wherein are you?
This isCangzhou Steel Pipe Group (CSPG)Co.,Ltd.
,which is one leading dealer of metal fabric in China.
We two department factories in Liaocheng city. And one branch(Taigang Ganglian (Tianjin) Co., Ltd) is placed at famous port city--Cangzhou
Q:What form of metal cloth does your organisation do?
We especially produces metallic plate/pipe/coil/spherical bars,in addition to PPGI/GI/Alu-zinc coils
Q:What are the advantages in price and excellent ?
To provide true great and competitive charge is our enterprise principle. We can provide our consumer precise and reasonable charge. If purchaser require,we are able to signal the high-quality warranty agreement.
Q:Our special service?
Our annual sales quantity is three hundred million, appearing for many big metal mills. We can provide customers with one-stop steel buying service.
Q: Payment time period and Lead time?
A: Payment term is depending on course market condition,order amount,shipment schedule..,
or 30% T/T in advance ,stability may be paid towards BL reproduction or LC at sight.
B: Delivery time: for most of pipe,plate, coil.. The lead time is at around7- 15days. For large order plate, it's far subject to the metal plant manufacturing order, but. Base on our large purchasing oder from metallic mill, we can guarantee our patron the delivery date is soon.


Cangzhou Steel Pipe Group (CSPG) Co., Ltd. is a large-sized, key metallurgic enterprise of Hebei Province in North China, whose history dates back to 1994. CSPG currently em/paces six member companies with products varying from SSAW, LSAW, ERW, seamless steel pipes to 3PE pipes, galvanized pipes, casing pipes, etc. A Joint-stock corporation, CSPG occupies an area of 600,000 square meters with a total asset of $530 million.

Specialized in the production of straight welded pipe spiral pipe galvanized pipe 3PE/3PP/FBE/TPEP internal and external epoxy powder internal and external epoxy resin cement mortar two cloth three oil buried pipeline IPN8710 non-toxic drinking water internal and external plastic coated lining plastic and other anti-corrosion pipe fittings for oil and gas pipeline water conservancy projects

Executive standard :DIN30670 DIN30678 CSA Z245 AFNOR nf49-710/711 NACE rp0394/0490 AWWAC 210/C213GB/T9711 API 5L ISO 3183Material: Q235B/Q355BGR A GR B x42-x80 l245-l555


Business scope: 21.3mm-3620mmLSAW submerged arc welded pipe 325-2020mmERW straight welded pipe 6mm-711mmSMLS seamless tube 10-1120mmSSAW spiral steel tube 219-3620mmDemand for quality suppliers and partners