Gold Member Since 2015
Audited Supplier
Qingdao Ironsteel International Trading Co., Ltd.

Steel Hollow Section, Square Steel Pipe, Square Steel Tube manufacturer / supplier in China, offering High Quality Seamless Square Pipe by Grade Q345b, 34CrMo4 Alloy Seamless Steel Pipe for Gas Cylinder Pipe, High Precision Honed Pipe for Hydraulic Cylinder by St52, Q345b and so on.

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Supplier Homepage Product square and rectangle steel pipe High Quality Seamless Square Pipe by Grade Q345b

High Quality Seamless Square Pipe by Grade Q345b

FOB Price: US $450-600 / Ton
Min. Order: 10 Tons
Min. Order FOB Price
10 Tons US $450-600/ Ton
Get Latest Price
Port: Tianjin, China
Production Capacity: 2000tons Per Month
Payment Terms: T/T
Basic Info
  • Model NO.: 300mm*300mm
  • Technique: Extruded
  • Surface Treatment: Bare Pipe, Black Pipe
  • Section Shape: Square, Rectangle
  • Size: 200mm~1000mm
  • Delivery State: Anti-Rust Treatment
  • Transport Package: Standard Seaworthy Packing
  • Origin: China
  • Type: Seamless
  • Material: Carbon Steel
  • Usage: Machinery Industry, Construction & Decoration, Special Purpose
  • Length: 6meters, 9meters, 12meters
  • Steel Grade: S275j0, S275j2, Q235B,Q345b, Gr.B
  • Trademark: Iron&steel
  • Specification: EN, ASTM A500, JIS, GB
  • HS Code: 73066100
Product Description
EN Standard Seamless Square Hollow Section/ square steel pipe
Standard: ASTM A500, JIS G3466, EN10210, GB/T6728-2002, GB/T6725-2002
Steel grade: Gr.B, Gr.C, Q195, Q235, SS400, 20#, 45#, Q345B, etc
Shape of pipe: Square tube, rectangle tubes
Type of pipe: Seamless and welded
High Quality Seamless Square Pipe by Grade Q345b
High Quality Seamless Square Pipe by Grade Q345b
High Quality Seamless Square Pipe by Grade Q345b
Main sizes we can spply:
Square tube (mm)Rectangle tube (mm)
16×16×0.4~1.5380×380×8.0~14.010×20×0.6~1.5250×150×6~12.0
18×18×0.4~1.5400×400×8.0~14.014×21×0.6~1.5250×100×6~12.0
20×20×0.4~1.5420×420×10.0~14.015×30×1.5~1.5250×200×6~12.0
25×25×0.6~2.0450×450×10.0~14.015×38×0.6~1.5300×150×6~12.0
30×30×0.6~4.0480×480×10.0~14.020×30×0.6~2.0300×200×6~12.0
34×34×1.0~2.0500×500×10.0~14.020×40×0.8~2.0300×250×6~12.0
35×35×1.0~4.0 20×50×1.0~2.0400×250×8~12.0
38×38×1.0~4.0550×550×10.0~40.022×35×0.9~2.0400×300×8~12.0
40×40×1.0~4.5600×600×10.0~40.025×40×0.9~3.75450×200×8~12.0
44×44×1.0~4.5700×700×10.0~40.025×65×1.0~2.0450×250×8~12.0
45×45×1.0~5.0800×800×10.0~50.030×40×1.0~3.75400×300×8~12.0
50×50×1.0~5.0900×900×10.0~50.030×45×1.0~3.75400×350×8~12.0
60×60×1.5~5.01000×1000×10.0~50.030×50×1.0~4.0500×200×10~12.0
70×70×2.0~6.0 30×60×1.0~4.5500×250×10~12.0
75×75×2.0~6.0 40×50×1.0~4.5500×300×10~12.0
80×80×2.0~6.0 40×60×1.0~5.0500×350×10~12.0
85×85×2.0~6.0 40×80×1.5~5.0500×400×10~12.0
95×95×2.0~8.0 40×100×2.0~5.0500×450×10~12.0
100×100×2.0~8.0 50×60×2.0~5.0 
120×120×4.0~8.0 50×80×2.0~5.0600×200×10~28.0
150×150×6.0~10.0 50×100×2.0~8.0600×400×10~28.0
180×180×6.0~12.0 60×80×2.0~6.0600×500×10~28.0
200×200×6.0~12.0 80×100×2.0~8.0800×400×10~28.0
220×220×6.0~14.0 120×60×2.5~10.0800×600×10~28.0
250×250×6.0~14.0 120×80×2.5~10.0800×700×10~28.0
280×280×6.0~14.0 150×100×2.5~12.01000×400×10~28.0
300×300×8.0~14.0 180×150×2.5~12.01000×500×10~28.0
320×320×8.0~14.0 200×100×4~12.01000×600×10~28.0
350×350×8.0~14.0 200×150×4~12.01000×800×10~28
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