Gold Member Since 2013
Audited Supplier
Tianjin Sangong International Trade Co., Ltd.

Welding Pipe, ERW Pipe, Structural Pipe manufacturer / supplier in China, offering Welding Heavy Wall Pipe, Eoe TFS 214, Pre Gi Square Pipe and Rectangular Tube and so on.

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Welding Heavy Wall Pipe

Purchase Qty.:
5-9 10+
FOB Unit Price: US $620 US $660
Purchase Qty. (Tons) FOB Unit Price
5-9 US $620
10+ US $660
Get Latest Price
Port: Tianjin, China
Production Capacity: 800000tons/Year
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: SG321
  • Technique: ERW
  • Surface Treatment: Galvanized
  • Section Shape: Round
  • Outer Diameter: 21.3 - 475 Mm
  • Surface: Galvanized, Black
  • Certificate: ISO, BV
  • Capacity: 1500tons/Day
  • Transport Package: Packed by Steel Strips
  • Origin: Tianjin, China
  • Type: Welded
  • Material: Carbon Steel
  • Usage: Pipeline Transport, Machinery Industry, Chemical Industry, Mining, Special Purpose
  • Thickness: 0.8 - 12 Mm
  • Place of Origin: Tianjin, China
  • Length: 2-12m
  • Pipe End: Plained End or Bevelled End
  • Trademark: baolijin
  • Specification: CE, SGS
  • HS Code: 7303001000
Product Description
1. Welding heavy wall pipe
1) OD: 1/2"-48"
2) WT: SCH20-SCH80
3) Material: Q235, Q345, A53
4) CE, BV, ISO,
2. About us
Tianjin Baolijin Pipe production Co., ltd is an subcompany of
Sangong Group. The group has 7 subcompanies and specializes in manufacturing
ERW black and hot-dip galvanized pipe (round and square/rectangular), pre-galvanized
Pipe, black and hot galvanized channel steel, H section, flat bar, angle steel, rotary blade
For farm and garden, highway fence, light pole.

Sangong group has:
1). 30 steel pipe production lines,
2). 10 galvanized pipe lines,
3). 9 rotary blade production lines,
4). 5 light pole production lines etc.
Welcome OEM and ODM order

We warmly welcome customers to visit our factories
Descriptionwelding heavy wall pipe
StandardASTM A53, BS1387, BS EN10217/10219, GB/T3091, DIN2444, etc.
usually Q195-235, can do Q345 at MOQ of at least 100 tons.


The closed material to Q235: St37-2, R St37-2, Fe360B, S235JR, SS400, etc.
Outside Diameter21.3mm-325mm
Wall Thickness0.8mm-10.31mm
Surface TreatmentBlack Painted or Color Painted, Oiled or Bared
Lengthcommon 4.5-6.5m, can up to 12m, can also cut into any length as client' s requirements
End TreatmentPlain, Bevelled, or Threaded
1) pack in hexagonal bundles by steel strips only

2) pack in bundles first, then pack in water proof plastic wrap

3) in bulk

( as the pictures as followed )
BrandTianjin BAOLIJIN
Welded Line TypeLongitudinal
End Protectorplastic cap, coupling or other pipe fittings
CertificateISO9001-2008; Supplier Assessment
Secondary Processingsthreading, cutting, welding, drilling, painting, oiling, grooving, stamping, etc.
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