Gold Member Since 2010
Audited Supplier
Tianjin Tiangang Weiye Steel Tube Co., Ltd.

Q345b Steel Tube, Q345b Boiler Tube, Q345b Steam Tube manufacturer / supplier in China, offering Q345b Seamless Steel Tube, 316Ti Stainless Steel Coil, 316L Stainless Steel Bar and so on.

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Supplier Homepage Product Steel Plate/Sheet Q345b Seamless Steel Tube

Q345b Seamless Steel Tube

Purchase Qty.:
1-4 5+
FOB Unit Price: US $700 US $650
Purchase Qty. (Tons) FOB Unit Price
1-4 US $700
5+ US $650
Get Latest Price
Port: Tianjin, China
Production Capacity: 2, 000, 000 Metric Ton Per Week
Payment Terms: L/C, T/T, D/P, Western Union

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Basic Info
  • Model NO.: Q345B
  • Technique: Hot Rolled & Cold Drawn
  • Usage: Pipeline Transport, Machinery Industry, Chemical Industry, Mining, Special Purpose, Industry, Construction
  • Outside Diameter: 6-2000mm
  • Length: 5.8m, 6m, 12m or as Required
  • Transport Package: Standard Export Seaworthy Package, or as Required
  • Origin: China
  • Type: Seamless, Welded
  • Surface Treatment: Black Painted, PE Coated, Galvanized
  • Section Shape: Round
  • Wallthickness: Sch10-Schxxs, 1-150mm
  • Trademark: TG
  • Specification: ASTM, JIS, En, GB, Ks, DIN, SUS, ANSI
Product Description
Item: Q345B steel tube, Q345B boiler tube, Q345B seamless steel tube, Q345B alloy steel pipe
Out side diameter: 6-2000mm
WT: SCH10-SCHXXS (1-150mm)
Length: 5.8m, 6m, or as required
Surface: Black painted, PE coated, Galvanized, Varnished, HDPE, etc
Export to: Iran, India, Saudi Arabia, USA, Peru, Singapore, Korea, Dubai, Indonesia, Ukraine, Thailand, Spain, South Africa, South Korea, Canada, etc
Our Steel tube has Best quality with low cost and short delivery. Welcome to contact for more details.
Itemsteel tube,Steel pipe
StandardASTMA335, A369, A213, A209, A250, GB5310, GB6479, GB9948, JISG3462, Etc
Outside  diameter6-2000mm
Wall  thicknessSCH10-SCHXXS (1-150mm)
Length 5.8m, 6m, or  as  required.
Surfacemill,varnished,black coated,NACE,Galvanized ,PE,HDPE,3PE,etc
Export toIran, Dubai, India, Singapore, USA, UK, Indonesia, Korea, Viet Nam, Holland, Saudi Arabia, Ukraine, Ireland, Canada, Ukraine, Kuwait, Oman, Canada, Russia, Mexico, Peru, Chile,etc
Applicationsteel tube applies  to petroleum, chemical  industry, electric power, boiler, high  temperature  resistant, low  temperature  resistant, corrosion resistant. The  size can be made according to the
customers  requirements.  
Contact If   you  have  any  question, please  feel  free  to  contact  me  .
we are sure your inquiry or requirements will get prompt attention.

Q345b Seamless Steel Tube
Q345b Seamless Steel Tube
Q345b Seamless Steel Tube
Q345b Seamless Steel Tube

ItemChemical compositionImpact
Q345BC≤0.20,Si≤0.55,Mn:1.0-1.6,P≤0.04,S≤0.04,V:0.02-0.15,Nb:0.015-0.0620°C 34J
Q345CC≤0.18,Si≤0.55,Mn:1.0-1.6,P≤0.035,S≤0.045,V:0.02-0.15,Nb:0.015-0.060°C 34J
Q345DC≤0.18,Si≤0.55,Mn:1.0-1.6,P≤0.03,S≤0.03,V:0.02-0.15,Nb:0.015-0.06,Ti:0.02-0.20,Al≥0.015-20°C 34J
Q345EC≤0.18,Si≤0.55,Mn:1.0-1.6,P≤0.025,S≤0.025,V:0.02-0.15,Nb:0.015-0.06,Ti:0.02-0.20,Al≥0.015-40°C 27J
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