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

Stuctural Round Steel Tube, Black Stuctural Tube, Black Round Steel Tube manufacturer / supplier in China, offering Black Stuctural Round Steel Tube, Tin Free Steel Tape /Cable Tape/Copolymer Coated Steel Tape / TFS for Cable Industry /Eccs Tape, Eoe TFS 214 and so on.

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Black Stuctural Round Steel Tube

Purchase Qty.:
1-9 10+
FOB Unit Price: US $450 US $440
Purchase Qty. (Tons) FOB Unit Price
1-9 US $450
10+ US $440
Get Latest Price
Port: Tianjin, China
Production Capacity: 8000, 000 Tons/Year
Payment Terms: L/C, T/T, D/P, Western Union, Money Gram

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Basic Info
  • Model NO.: dd
  • Technique: Cold Rolled
  • Surface Treatment: Oiled
  • Section Shape: Round
  • Thickness: 0.5-25mm of Ms Hollow Square Steel Pipe
  • Lenght: 2-12m of Ms Hollow Square Steel Pipe
  • Grade: BS 1387, En1029, Astma53
  • Company Type: Factory, Manufacturer
  • Trademark: Carbon Structural Steel, BAOLIJIN
  • Specification: ASTM, GB, SGS
  • HS Code: 7306610000
  • Type: Welded
  • Material: Carbon Steel
  • Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Construction & Decoration
  • Zinc Coating: 80-200G/M2
  • Size: 12*12-600*600mm of Ms Hollow Square Steel Pipe
  • Annual Output: 800000tons
  • Place of Origin: Tianjin, China
  • Residential Wall Structure: Top Wall Beam
  • Transport Package: Packed by Steel Strips
  • Origin: Tianjin, China
Product Description

,1. Specification : 

Alibaba China Supplier Welded round steel Tube  
SpecificationSquare10*10mm --- 100*100mm
Rectangular8*16 --- 50*100 (mm)
Round¢6 --- ¢102 (mm)
Oval9.5*17 --- 25*50 (mm)
LTZ29mm; 34mm; 28mm; 38mm
MaterialQ195 (low carbon steel )
Mechanical properticsYield strength (N/mm2)Tensile strength (Mpa)Elongation
Chemical composition (Pct)   %CSiMnPS






Wall thickness0.4--2.0mm
Length3m-12m as usual or as customer request
ToleranceWall thickness tolerance :+/-0.02mm
Length tolerance :+/-20mm
TechnologyCold rolled welded
Bendable180 degree
Welding lineStraight welding
EdgeClear and neat
PackagingPacked with steel strip in bundles, or according to the request of customers.
MOQ5 Tons per size
Delivery timeless than 20 days after getting deposit
Payment termT/T,LC,T/T as deposit,balance is LC
CertificationISO 9001 ,BV ,BV
AdvantagesExcellent quality ,quick delivery,same products as customers' requirement
ApplicationStamping parts;electrical and mechanical stamping parts;auto spare parts;motorcycle accessories;
bicycle accessories;frame;heating radiator;security window and door;roller shutter door;file cabinet;
storage shelf;launching way ;fitness equipment;tabernacle;furniture of steel and wood and so on
Main MarketSoutheast Asia, Mid East, Eastern Asia, Africa,
North America, South America, Eastern Europe

Black Stuctural Round Steel Tube

2. flow chart 
Black Stuctural Round Steel Tube

3. erw carbon steel pipe application: construction material ,curtain wall, traffic,Fluid pipe,structure pipe,gas pipe,hydraulic pipe,oil pipe,drill pipe,boiler pipe

Black Stuctural Round Steel Tube

For further details ,We warmly welcome You to visit our factories At Any Time,and inspect manufacturer process of welded dn500 steel pipe .

  contact information
Mobile :86-13622187012
TEX: 86-22-23707982



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