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, TFS Sheet with Different Weave (camber) for Various Size of Easy Open End, High Quality Printed Tinplate Sheet for Food Packing 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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