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Carbon Steel Square Tube

Carbon metal square tube is an alloyed material consisting of petroleum Fe, and C. Carbon metal square tube has excellent strength and ability to withstand stress. We often use it in heavy industries such as ships, bridges, chemical facilities, etc. The C content varies, and the performance of carbon steel pipe varies widely, so it is important to choose an appropriate grade for our equipment.
  • As customers' demands

  • Hongguan

Carbon Square Metal Tube Description

Product Name Carbon Metal Square Tube
Material Q195 similar to a283 GR.B, 040a10, ss330
Q235 similar to a283 GR.D, 080a15,CS type B
Q345 similar to a737 GR.B, SS400, S235JR
Material Chemical Composition CMnSiSP0.06-0.120.25-0.50<=0.30<=0.050<=0.045
Tensile strength: 315-430(Mpa)
Yield steength:195(Mpa)
Shape Square / Rectangular
Outer Dia(mm) 15*15-1000*1000mm/10*20-700*300mm
Wall Thickness(mm) 0.6-25mm, can customized
Length 2.8m-24m, can customized
Surface Treatment
  1. Black,Pre-galvanized

  2. Oiled,powder coating

  3. Galvanized as your requirement

PS:Pre galvanized steel pipe: 60-150g/m2;Hot dipped galvanized steel pipe: 200-400g/m2

End Finish Plain/ beveled ends or threaded with sockets/coupling and plastic caps.
Packaging Packing in bundle with steel strips; with seaworthy package at the end; could be done with your requirement.
Inspection With Chemical Composition and Mechanical Properties Testing; Hydrostatic Test, Dimensional and Visual Inspection,  With Nondestructive Inspection
HS Code 7306309000
Others 1:Special design available according to requirement
2:Pipe can be necked dowm, punching hole on pipe wall.
3:Pipe fittings, elbows are available.
4.All production process are under the ISO9001:2000 strictly

Square Metal Tube Chemical Properties

Chemical Properties %
Grade A
C Mn P S Si Cr Cu Mo Ni V
0.25 0.27-0.93 0.035 0.035 0.1 0.4 0.4 0.15 0.4 0.08
Grade B
C Mn P S Si Cr Cu Mo Ni V
0.3 0.29-1.06 0.035 0.035 0.1 0.4 0.4 0.15 0.4 0.08
Grade C
C Mn P S Si Cr Cu Mo Ni V
0.35 0.29-1.06 0.035 0.035 0.1 0.4 0.4 0.15 0.4 0.08

 Carbon Metal Tube Square Show


Square metal tube


Square tube metal


Metal tube square

Our Service

Carbon Square Metal Tube

  1. Competitive price and quality from our own factory

  2. Approved by ISO9001, CE, SGS every year

  3. Best service with 24 hour's reply

  4. Flexible payment with T/T,L/C

  5. Smooth production ability(50000tons/month)

  6. Quick delivery and standard exporting package

  7. OEM/ODM

Product Inquiry

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