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, ASTM B348 Pure Titanium Bar, ASTM B265 Gr2 Titanium Sheet and so on.

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Supplier Homepage Product Steel Plate/Sheet Q345b Seamless Steel Tube

Q345b Seamless Steel Tube

Purchase Qty.:
(Tons)
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
Production Capacity: 2, 000, 000 Metric Ton Per Week
Transport Package: Standard Export Seaworthy Package, or as Required
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, Special Purpose, Machinery Industry, Chemical Industry, Mining, Industry, Construction
  • Outside Diameter: 6-2000mm
  • Length: 5.8m, 6m, 12m or as Required
  • Specification: ASTM, JIS, En, GB, Ks, DIN, SUS, ANSI
  • Type: Seamless, Welded
  • Surface Treatment: Black Painted, PE Coated, Galvanized
  • Section Shape: Round
  • Wallthickness: Sch10-Schxxs, 1-150mm
  • Trademark: TG
  • Origin: China
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.
Item steel tube,Steel pipe
Standard ASTMA335, A369, A213, A209, A250, GB5310, GB6479, GB9948, JISG3462, Etc
Outside  diameter 6-2000mm
Wall  thickness SCH10-SCHXXS (1-150mm)
Length  5.8m, 6m, or  as  required.
Surface mill,varnished,black coated,NACE,Galvanized ,PE,HDPE,3PE,etc
Export to Iran, Dubai, India, Singapore, USA, UK, Indonesia, Korea, Viet Nam, Holland, Saudi Arabia, Ukraine, Ireland, Canada, Ukraine, Kuwait, Oman, Canada, Russia, Mexico, Peru, Chile,etc
Application steel 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.

















Item Chemical composition Impact
Q345A C≤0.20,Si≤0.55,Mn:1.0-1.6,P≤0.045,S≤0.045,V:0.02-0.15,Nb:0.015-0.06 /
Q345B C≤0.20,Si≤0.55,Mn:1.0-1.6,P≤0.04,S≤0.04,V:0.02-0.15,Nb:0.015-0.06 20°C 34J
Q345C C≤0.18,Si≤0.55,Mn:1.0-1.6,P≤0.035,S≤0.045,V:0.02-0.15,Nb:0.015-0.06 0°C 34J
Q345D C≤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
Q345E C≤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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